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MRF9030GNR1 - RF Power LDMOS MOSFET, TO-270-2 | NXP
The NXP MRF9030GNR1 is an N-channel enhancement-mode lateral MOSFET (LDMOS) designed for RF power applications up to 1.0 GHz, delivered in a TO-270-2 GULL ceramic package. It is part of NXP's RF Sub-Micron MOSFET Line and targets broadband commercial and industrial applications requiring high gain and rugged RF performance. The 'R1' suffix denotes tape-and-reel packaging for high-volume SMD-compatible placement on matching land patterns. An RF power MOSFET is a discrete semiconductor device that converts DC supply power into RF output power at high frequencies, typically used as the final or driver stage in transmitters. Within the broader taxonomy, it sits below power transistor -> discrete semiconductor -> electronic component, and LDMOS specifically is the dominant technology for sub-2 GHz high-power RF amplification due to its high breakdown voltage, high gain, and excellent linearity compared to bipolar or GaAs alternatives. Key features include broadband operation from DC to 1.0 GHz, high gain typical of NXP's sub-micron LDMOS process, and a ceramic TO-270-2 gull-wing package optimized for thermal dissipation through a flanged lead. The device is rated for high CW and pulsed RF output power and is suitable as a driver or final stage in sub-1 GHz transmitters for industrial, scientific, and medical (ISM) bands as well as amateur radio and commercial two-way radio links. The MRF9030GNR1's lateral MOSFET architecture provides a high drain-source breakdown voltage combined with low feedback capacitance, enabling stable operation across broadband matching networks. The ceramic TO-270-2 package provides low thermal resistance and a robust mechanical form factor that withstands high VSWR mismatch conditions typical in real-world RF systems. According to legacy Motorola/Freescale datasheet material published before NXP's acquisition of Freescale, this die is qualified for continuous-wave RF operation. Typical applications include 900 MHz ISM band power amplifiers, commercial RF amplifiers for cellular infrastructure (driver stage), amateur radio HF/VHF amplifiers up to 1 GHz, and broadband general-purpose RF amplification. The wide frequency coverage also makes it a candidate for pulse-RF and laboratory test amplifiers. When designing with this device, observe the maximum ratings for drain voltage, drain current, and total device dissipation. Adequate PCB copper thermal spreading under the ceramic package and a properly designed broadband matching network are essential. Use a low-ESR bypass arrangement on the drain and gate feeds to prevent parametric oscillation. This page synthesizes distributor stock data, NXP family cross-references, and practical thermal/RF layout notes that extend beyond the bare data sheet.
MRF9030LR1 - 945MHz 30W 26V RF Power MOSFET | NXP Semiconductors
NXP Semiconductors (formerly Freescale/Motorola) MRF9030LR1 is a 945 MHz, 30 W, 26 V lateral N-channel enhancement-mode broadband RF power MOSFET housed in the NI-360 ceramic package with tape-and-reel packaging. Designed for common-source large-signal amplifier operation in 26 V base-station equipment, the device delivers 19 dB typical power gain at 945 MHz and is rated for continuous-wave (CW) and pulsed RF service in commercial and industrial systems operating up to 1.0 GHz. As an RF Power Field-Effect Transistor built on the RF Sub-Micron MOSFET process, it combines high breakdown voltage, high gain, and broadband input/output matching in a single flanged ceramic package that bolts directly to a heatsink or chassis. An RF power MOSFET is a specialized lateral field-effect transistor designed for high-frequency, high-power amplification. Within the broader semiconductor taxonomy it sits at the intersection of discrete semiconductors (specifically the MOSFET family) and RF/wireless power amplification blocks used in transmitters, base stations, and industrial heaters. Unlike small-signal MOSFETs used for logic-level switching, the RF power MOSFET uses a high-drain-voltage lateral structure with thick metal gate/source/drain fingers to minimize on-resistance and distribute current uniformly across the die, maximizing ruggedness into VSWR mismatches. Key features of the MRF9030LR1 include 30 W continuous RF output power, 26 V DC drain supply, 19 dB typical power gain at 945 MHz, broadband performance from HF through 1 GHz, enhancement-mode N-channel gate drive (simplifying bias circuits versus depletion-mode parts), and a broadband input matching network optimized for common-source Class A/AB operation. The lateral cell geometry provides excellent thermal conductivity between the active die and the ceramic flange, keeping junction temperature low under CW operation. Its high gain reduces driver-stage count in transmitters, lowering overall BOM cost and PCB complexity. In typical 945 MHz base-station final-stage operation the device operates from a 26 V rail, presenting a Class AB common-source amplifier with 30 W CW output and 19 dB gain. The lateral MOSFET structure gives predictable gain flatness across the 1 GHz bandwidth and high drain efficiency when properly matched, making it well suited for both continuous-wave and pulsed RF service. The device is specified for operation over the industrial temperature range and uses gold-metallized leads for long-term reliability in outdoor or base-station environments. Typical applications include 26 V cellular base-station final stages operating at 900 MHz, UHF ISM-band industrial heaters and plasma generators, FM broadcast power amplifiers, driver stages for higher-power transmitters, and broadband Class A/AB linear amplifiers for laboratory and instrumentation use. The high gain at 945 MHz is also attractive for amateur-radio 902-928 MHz linear amplifier designs. Designers should note that proper RF heatsinking via the ceramic flange is mandatory - the 92 W maximum dissipation rating assumes the flange is bolted to an adequate heatsink. Input and output matching networks must present the recommended load impedance at the drain and source impedances at the gate to achieve rated gain and efficiency. Bias sequencing with a 26 V drain should precede gate bias to avoid forward-biasing the gate oxide. This page synthesizes distributor pricing, NXP and Motorola legacy datasheet specifications, drop-in same-package alternatives, and practical RF amplifier design notes not found on a single manufacturer page.
MRF9030MBR1 - 30W, 945MHz RF Power MOSFET | NXP / Freescale
The NXP MRF9030MBR1 is a 30 W, 945 MHz lateral N-channel enhancement-mode RF power MOSFET from the RF Sub-Micron MOSFET family, housed in a TO-272-2 surface-mount ceramic package. It is designed for broadband commercial and industrial applications with operating frequencies up to 1.0 GHz and features a typical power output of 30 W at 945 MHz when operated from a 26 V supply rail. An RF Power MOSFET is a specialized power field-effect transistor whose die, package, and matching networks are optimized to deliver useful gain at radio frequencies, typically from HF through microwave bands. Lateral MOSFETs place the source, gate, and drain terminals on the same surface of the silicon die, which lowers parasitic capacitances and improves high-frequency gain compared to vertical DMOS or SiGe HBT structures. The MRF9030MBR1 sits within the family RF Power Transistor > RF Power MOSFET > RF Power Device > Discrete Semiconductor > Semiconductor and is targeted at the final stage of 26 V base-station, industrial, and broadband radio transmitter chains. Key specifications include 30 W typical output power at 945 MHz, 20 dB power gain in the matched broadband configuration, a 26 V DC drain supply rating, 250 mA typical quiescent or bias-class current, operation from DC up to 1000 MHz, and a robust SO-272 flanged ceramic package that provides a low thermal resistance path from the die to the mounting flange. The device is N-channel enhancement-mode, meaning a positive gate-source voltage is required to turn the channel on, simplifying bias network design. The lateral die geometry combined with a ceramic TO-272-2 package supports broadband common-source amplifier operation with minimal impedance transformation, allowing engineers to reuse the same PCB footprint across 945 MHz ISM, cellular, broadcast, and two-way radio designs that need 30 W of clean RF power from a 26 V bus. According to the Freescale / NXP MRF9030M datasheet, the part is qualified for large-signal common-source amplifier service in 26 V base-station equipment. Typical applications include 915 MHz and 945 MHz ISM-band amplifiers, GSM and cellular base-station driver stages, two-way land-mobile radio PAs, industrial RF heating drivers, broadband laboratory amplifiers, and avionics / telemetry transmitters in the 800-1000 MHz range. The broadband response also makes it attractive as a generic lab RF amplifier gain block when 30 W of saturated output is acceptable. When designing with the MRF9030MBR1, observe the maximum drain-source voltage, dissipation, and case-temperature ratings from the manufacturer datasheet; insufficient heatsinking at 30 W continuous CW operation will rapidly exceed the junction temperature limit. Always use the manufacturer-recommended evaluation board layout, input matching network, and bias sequencing to preserve gain linearity and device ruggedness into a mismatched load. This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes not always presented together in the manufacturer datasheet, helping RF engineers shorten the BOM selection cycle for 26 V / 30 W / 945 MHz power amplifier designs.
MRF9045NBR1 - 45W 945MHz RF Power LDMOS Transistor | NXP/Freescale
The NXP/Freescale MRF9045NBR1 is a 45 W RF power LDMOS transistor designed for broadband commercial and industrial applications up to 1000 MHz, housed in a TO-272-2 ceramic flanged package. Per the manufacturer datasheet, the device delivers 19 dB power gain and 41% two-tone drain efficiency at 945 MHz when operated from a 28 V supply with a 350 mA quiescent bias, making it well-suited for large-signal common-source amplifier stages in 28 V base station equipment. An RF power MOSFET is a discrete lateral double-diffused metal-oxide-semiconductor field-effect transistor optimized to deliver high RF output power at high frequencies. LDMOS (Laterally Diffused Metal-Oxide-Semiconductor) belongs to the silicon transistor family (silicon -> BJT/MOSFET -> LDMOS -> RF power MOSFET), and has become the dominant technology in cellular base-station power amplifiers thanks to its high gain, broadband performance, excellent thermal conductivity, and lower cost-per-watt than equivalent GaN or Si BJT devices. Key features of the MRF9045NBR1 include 19 dB power gain at 945 MHz, 41% two-tone efficiency, integrated ESD protection, and guaranteed ruggedness into a load mismatch. The lateral N-channel enhancement-mode structure is designed for broadband operation and supports both single-carrier and multi-carrier modulation formats. The 65 V voltage rating and integrated ESD structure simplify board layout while enhancing field reliability in production base-station hardware. Typical 945 MHz two-tone performance includes 45 W PEP (peak envelope power) output with -31 dBc intermodulation distortion. The device supports N-CDMA and similar linear modulation schemes that demand high linearity and dynamic range. The TO-272-2 ceramic flange package provides a low thermal-resistance path to the heatsink, with a maximum power dissipation rating of 177 W absolute (per secondary distributor data). Typical applications include cellular base-station power amplifiers at 900 MHz GSM/EDGE and CDMA bands, UHF industrial heating transmitters, land-mobile-radio (LMR) repeaters, ISM-band RF generators, and 945 MHz cellular infrastructure driver/final stages. Designers choose the MRF9045NBR1 when 19 dB gain and 45 W PEP are required at 28 V supply rails in a small flange-mount outline. When designing with this device, ensure that the RF PCB substrate has controlled-impedance traces (typically 50 ohm microstrip) and that the bolted flange is torqued to the manufacturer-specified value to keep the thermal interface consistent. Because the drain operates at 28 V DC, the matching network, DC blocking, and bypass capacitors must be rated for the full 28 V rail plus transient overshoot from PA load transients. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical RF design notes not found on a single manufacturer datasheet page.
MRF9060MR1 - 60W 945MHz Lateral N-Channel RF Power MOSFET | NXP
The NXP (formerly Motorola/Freescale) MRF9060MR1 is a 60 W, 26 V lateral N-channel enhancement-mode RF power MOSFET designed for broadband commercial and industrial applications with frequencies up to 1.0 GHz, packaged in a TO-270-2 plastic envelope. An RF power MOSFET is a metal-oxide-semiconductor field-effect transistor specifically engineered to deliver high RF output power with high gain and efficiency at frequencies from HF through microwave. Lateral N-channel enhancement-mode RF MOSFETs belong to the broader RF power transistor family, which sits within RF & wireless discrete semiconductors. They are commonly deployed in the final stage (PA) of base-station transmitters, industrial RF generators, and broadband amplifier chains where common-source Class AB operation provides linear amplification of AM, FM, or complex digitally modulated signals. Key features include 60 W continuous-wave output power at 945 MHz, 18 dB typical power gain at 945 MHz with 26 V supply, broadband performance from DC to 1.0 GHz, and a 26 V DC drain-to-source rating typical of base-station infrastructure. The lateral die topology offers high gain and large-signal ruggedness compared to vertical MOSFETs and bipolar transistors. The TO-270-2 industry-standard plastic flanged package supports bolt-down thermal mounting onto an external heatsink or chassis spreader, enabling reliable CW operation across the full 60 W envelope. The MRF9060MR1 uses NXP's sub-micron RF MOSFET process with an integrated gate ESD protection network and stable threshold targeting Class AB biasing. Its high gain (~18 dB) reduces the driver-stage gain requirement, simplifying the overall amplifier BOM. Lateral geometry combined with a thermally-enhanced ceramic/ plastic TO-270 flange yields an SOA wide enough to survive mismatched-load (VSWR) transients typical of antenna-port faults in base-station service. Typical applications include 900 MHz cellular base-station power amplifiers, industrial RF heating and plasma generators, FM broadcast translators, broadband Class A/AB linear amplifiers, and military/aerospace RF links. Its broadband response also makes it suitable for general-purpose laboratory RF power amplifiers covering 100 MHz to 1000 MHz. When designing with the MRF9060MR1, source-lead grounding through the package flange is critical - the TO-270 tab is the primary thermal AND electrical ground path. Use copper-clad PCB or copper spreader with thermal interface material rated for sustained 70 W dissipation, and keep gate and drain bond-wire traces as short as possible to minimize parasitic feedback above 800 MHz. This page synthesizes NXP/Freescale datasheet parameters, distributor pricing, and drop-in alternative MPNs not always co-listed on DigiKey/Mouser catalog pages, providing one reference for sourcing and second-source decisions.
MRF9060NR1 - 945MHz 60W RF Power MOSFET TO-270-2 | NXP
The NXP MRF9060NR1 is a 60 W lateral N-channel enhancement-mode RF power MOSFET designed for broadband commercial and industrial applications up to 1000 MHz, housed in the TO-270-2 plastic package. It is specified at 945 MHz, 26 V supply, delivering 60 W of output power with 18 dB typical gain. The MRF9060NR1 is intended for large-signal, common-source amplifier applications in 26 V base station equipment operating across the UHF band. According to the Freescale/NXP datasheet, the device uses a lateral MOSFET structure optimized for broadband performance and high gain at VHF through low-UHF frequencies. An RF power MOSFET is a discrete transistor built specifically to amplify radio-frequency signals at high power levels. In the broader taxonomy it sits under discrete semiconductor -> transistor -> MOSFET -> RF MOSFET -> power MOSFET. RF power MOSFETs differ from small-signal MOSFETs in their ability to handle tens to hundreds of watts while maintaining useful gain at RF, and they have largely replaced bipolar transistors in base-station PAs because of their higher gain, easier matching, and better thermal behavior at 28-50 V rails. Key features of the MRF9060NR1 include 60 W Pout at 945 MHz / 26 V, 18 dB typical power gain, drain efficiency around 33% in single-carrier N-CDMA, and ACPR of -45.7 dBc at 750 kHz offset. The lateral MOSFET architecture provides high gain and broadband response. The TO-270-2 plastic package is leadless and surface-mountable, with a ceramic body and two flanges for source grounding plus a tab for the drain lead. This construction supports efficient thermal dissipation via the package mounting surface. Typical applications for the MRF9060NR1 include UHF base-station power amplifiers at 470-960 MHz, commercial FM broadcast transmitters, industrial RF heating, and broadband general-purpose RF amplifiers. It is also used as a final-stage or driver in land-mobile radio systems and in amplifier modules for cellular infrastructure where 26 V supplies are standard. When designing with this device, ensure the input and output matching networks are optimized for the target frequency band. Place a low-impedance source grounding directly under the source flanges, use sufficient copper on the drain pad for thermal relief, and observe the absolute maximum ratings (Vds up to 66 V per cross-reference data). Adequate heatsinking and forced-air cooling are recommended at continuous 60 W operation. This page synthesizes distributor pricing from DigiKey/Mouser, drop-in alternatives sourced from NXP's MRFE6S series, and practical design notes not aggregated in the original Freescale datasheet.
MRF9135LR3 - 880 MHz, 135 W, 26 V RF Power LDMOS | NXP
The NXP Semiconductors MRF9135LR3 is a 135 W lateral N-channel enhancement-mode RF power MOSFET designed for broadband commercial and industrial applications in the 865-895 MHz band. It operates from a 26 V supply rail and is delivered in the NI-780L ceramic package with an R3 (tape-and-reel) packing suffix. The device is targeted at large-signal common-source amplifier stages in GSM/EDGE base-station transmitters, where its high gain and broadband performance deliver efficient linear output power. An RF power LDMOS transistor is a lateral double-diffused MOSFET optimized to deliver multi-watt to multi-hundred-watt CW or pulsed RF output power with high drain efficiency. The MRF9135LR3 belongs to the NXP RF Sub-Micron MOSFET Line, sitting in the hierarchy of discrete semiconductor -> power MOSFET -> RF power transistor -> LDMOS -> base-station PA final stage. This category dominates cellular infrastructure PA design because LDMOS combines high breakdown, high gain, and acceptable linearity at 26-28 V rails for sub-3 GHz bands. Key specifications include 135 W typical output power, approximately 17.5 dB typical power gain, and 60% typical drain efficiency in the 865-895 MHz band, all measured per NXP's standard 26 V / class-AB test conditions. The device is rated for 26 V VDD and broadband matched to simplify PCB integration. Integrated ESD protection and a thermally robust NI-780L ceramic flange with low thermal resistance support reliable CW operation in base-station chassis. The R3 suffix denotes tape-and-reel packaging for high-volume SMT-compatible assembly. The architecture is a laterally diffused MOS gate over an N-channel drift region, with the source connected via through-wafer vias to a flange for low inductance. The die is matched internally for the 880 MHz band, which shortens design cycles by reducing external matching complexity. Integrated passive networks and matched input/output impedances allow direct PCB integration with microstrip or stripline matching networks, lowering BOM cost versus discrete VDMOS or GaN alternatives at sub-1 GHz frequencies. Typical applications include GSM/EDGE 900 MHz base-station power amplifiers, industrial RF heating at UHF, broadcast UHF translators, and commercial RF lighting sources. The broadband match makes it equally well suited for pulsed radar driver stages in the 900 MHz ISM band and for amplifier modules used in professional radio repeaters. The R3 tape-and-reel variant enables automated high-volume assembly. When designing with the MRF9135LR3, ensure the heatsink is sized for the full 26 V VDD x ~0.5 A quiescent DC idle dissipation plus the average RF power delivered to the load minus efficiency losses. A small-signal driver stage (for example MRF9130 or MRF9045) is recommended in front of this final-stage device because its gain alone is insufficient to drive an entire GSM PA chain from a few milliwatts.
MRF9135LR5 - 25W 880MHz LDMOS RF Power MOSFET | NXP
The NXP Semiconductors MRF9135LR5 is a 25 W RF power LDMOS transistor designed for 880 MHz applications, supplied in a 3-pin NI-780H-2L ceramic/bolt-down package. Per NXP datasheet, the device operates from a 26 V supply rail, draws approximately 1.1 A of drain current at full power, and delivers 17.8 dB of power gain at 880 MHz. The rated drain-source breakdown is 65 V, and the part is intended for class-AB linear amplification in UHF mobile-radio and ISM-band transmitter service. An LDMOS (Laterally Diffused Metal-Oxide Semiconductor) RF power transistor is a type of RF power MOSFET that uses a laterally diffused drain region under the gate, combining the high input impedance and ease of biasing of a MOSFET with the high breakdown voltage and excellent RF ruggedness required for RF power amplification. Within the broader taxonomy it sits in: RF power transistor -> RF power MOSFET -> RF power semiconductor -> discrete semiconductor. LDMOS is the dominant technology at frequencies below ~3 GHz in cellular base stations and UHF/900 MHz industrial transmitters, displacing older bipolar and VDMOS parts on the basis of higher gain, better efficiency, and superior linearity. Key features include an integrated ESD protection structure, a thermally robust NI-780H-2L flange package suited to bolted heatsink mounting, and a single-ended common-source configuration that simplifies PCB layout at UHF. The part is internally matched only at the input; the output requires external matching to 50 ohm. Drain efficiency at rated power is typically 55-60% in class-AB service, and the device is rated for CW or pulsed operation within its SOA envelope. Typical applications include 880 MHz cellular base-station driver stages (AMPS, TDMA, GSM base-station PA blocks), UHF digital and analog radio transmitters, RFID reader power stages, and industrial/scientific (ISM) band transmitters in the 902-928 MHz band. The 65 V breakdown rating gives meaningful headroom over the 26 V operating rail for inductive load mismatch tolerance. When designing with this device, ensure the heatsink thermal resistance keeps the junction below 200C at the worst-case continuous-CW load. Output matching must be optimized for the actual frequency band of operation; do not assume broadband performance from a single match. This page synthesizes drop-in alternatives, design notes, and commercial availability information not consolidated on a single manufacturer or distributor page.
MRFE6P9220HR3 - 47W 900MHz RF Power LDMOS MOSFET | NXP
The NXP MRFE6P9220HR3 is a 47 W average (200 W peak) lateral N-channel enhancement-mode RF power LDMOS transistor designed for 865-900 MHz base-station amplification, housed in the NI-860C3 ceramic-metal sealed cofired surface-mount package. An RF power LDMOS (Laterally Diffused Metal-Oxide-Semiconductor) transistor is a specialized power MOSFET optimized for high-frequency, high-power amplification in the VHF/UHF/microwave bands. LDMOS devices sit within the broader MOSFET family -> power semiconductor -> discrete semiconductor -> electronic component hierarchy, and dominate cellular base-station power amplifier (PA) designs because they combine high breakdown voltage, high gain, and good efficiency at RF frequencies where conventional silicon power MOSFETs lose performance. The 'lateral' structure keeps current flow parallel to the die surface, reducing parasitic capacitance and enabling multi-MHz to multi-GHz operation. Key features of the MRFE6P9220HR3 include a 66 V drain-source voltage rating, 20 dB typical power gain at 880 MHz, 47 W average / 200 W peak output power capability in N-CDMA waveforms, and operation from a 28 V supply. The part is specified for frequencies up to 1000 MHz, with broadband matching capability covering both cellular uplink (824-894 MHz) and ISM-band applications. The NI-860C3 overmolded ceramic package provides a low-thermal-resistance path and is designed for direct solder attachment to a copper-flanged PCB heatsink. The device uses NXP's proven HV6E LDMOS process generation, which yields high intrinsic ruggedness against load mismatch (VSWR), making it tolerant of antenna-detuned conditions common in field-deployed base stations. Internal gate-source ESD protection and an integrated drain-source diode simplify bias network design. According to the manufacturer datasheet MRFE6P9220H, the device is rated for infinite VSWR survivability under specified bias and drive conditions. Typical applications include 900 MHz GSM/CDMA/UMTS base-station final-stage power amplifiers, RFID and ISM-band industrial heaters at 915 MHz, digital broadcast transmitters, radar pulse drivers, and tactical/airborne communications amplifiers. The 28 V bias matches standard cellular infrastructure rails, simplifying power-supply design. When designing with this device, follow the manufacturer reference layout for input/output matching networks and ensure the PCB thermal pad is bonded to a sufficient copper area or external heatsink to keep junction temperature below the maximum rating. Use a gate-side RC network for bias stabilization and a drain-side harmonic filter to meet regulatory emission masks. This page synthesizes distributor pricing, drop-in pin-compatible NXP and competitor alternatives, and practical thermal/PCB design notes not consolidated in the manufacturer datasheet.
MRFE6S9046GNR1 - 35.5W 960MHz 28V RF Power MOSFET | NXP
The NXP (formerly Freescale) MRFE6S9046GNR1 is a 35.5 W CW, 28 V, N-channel enhancement-mode lateral RF power MOSFET designed for 920-960 MHz GSM and GSM EDGE base station amplifier applications, housed in a TO-270 WB-4 plastic overmolded package (Case 1486-03, Style 1). The device delivers 19 dB power gain at 960 MHz and is rated for operation from a 28 V supply, supporting both CW and pulsed RF waveforms up to the 960 MHz upper band edge. A lateral MOSFET is a type of power MOSFET whose active current flow is parallel to the silicon surface rather than vertical. This lateral geometry gives RF designers lower parasitic capacitance, higher transition frequency (fT), and better thermal uniformity across the die than vertical double-diffused (DMOS) parts, making lateral MOSFETs the dominant choice for VHF/UHF/L-band RF power stages up to about 2 GHz. Within NXP's RF power portfolio, lateral MOSFETs sit between small-signal GaAs FETs and high-power GaN HEMTs in the cost-vs-performance curve. Key features include 35.5 W CW output power, 19 dB power gain, a typical 33 percent drain efficiency under N-CDMA drive, and integrated ESD protection on the gate. The TO-270 WB-4 package provides a low-inductance ceramic body with a copper flange, achieving a thermal resistance on the order of 0.4 C/W that allows continuous CW operation without external heatsinking beyond a standard PCB thermal land. The MRFE6S9046GNR1 uses NXP's HV6E (high-voltage 6th-generation enhancement-mode) lateral process, which integrates the matching network onto a glass-passivated die for reliability under GSM EDGE bias profiles. The plastic overmold maintains the same electrical footprint as the older ceramic MRF9045 family while providing lower manufacturing cost and easier SMT assembly. Typical applications include 900 MHz GSM and GSM EDGE macro-cell base station final-stage amplifiers, CDMA repeater power stages, and multicarrier amplifier (MCPA) modules for cellular infrastructure. The same die is also suitable for industrial RF heating and ISM-band pulse applications where the 28 V bias and high gain reduce driver-chain complexity. When designing with the MRFE6S9046GNR1, ensure the gate bias is sequenced after the drain supply to avoid spurious turn-on, and keep the input lead length below 5 mm to preserve the 19 dB gain figure. Use double-sided PCB copper (>= 1 oz) tied to the source leads for lowest thermal impedance. This page synthesizes NXP datasheet parameters, drop-in alternative MPNs, and PCB layout guidance not consolidated in a single manufacturer document.
MRFE6S9046NR1 - 45W RF Power MOSFET 920-960 MHz | NXP
The NXP MRFE6S9046NR1 is an N-channel enhancement-mode lateral RF power MOSFET designed for GSM and GSM EDGE base station applications in the 920-960 MHz band, delivering 35.5 W CW output power at 28 V, housed in a TO-270 WB-4 plastic over-molded ceramic package (CASE 1486-03, Style 1). It provides 19 dB typical power gain at 960 MHz, 300 mA quiescent bias current, and is also suitable for CDMA and multicarrier amplifier applications. The part is rated for 66 V drain-to-source breakdown and operates as an HV6E-class LDMOS FET. An RF power MOSFET in the LDMOS (Laterally Diffused Metal-Oxide Semiconductor) family is a specialized transistor optimized for high-frequency, high-power amplification. Unlike small-signal MOSFETs used for logic or analog signal processing, RF power LDMOS devices combine high breakdown voltage, high gain, and good thermal performance in a single ceramic package designed to be bolted to a heatsink. Within the broader taxonomy, an LDMOS is a power MOSFET, a discrete semiconductor, and ultimately an electronic component; it sits in the same engineering family as laterally-diffused RF devices from Ampleon, ST, and Infineon but is distinguished by its heritage as a Freescale/NXP part developed for cellular infrastructure. Key features of the MRFE6S9046NR1 include 35.5 W CW output power at P1dB compression (typical), 19 dB small-signal gain at 960 MHz, 28 V nominal drain supply, integrated electrostatic discharge (ESD) protection, and a thermally-enhanced TO-270-4 ceramic/overmold package. The device uses a single-ended common-source configuration with a gate bias range suitable for class AB operation, and is rated for operation from a 28 V DC supply commonly found in cellular base-station power amplifiers. Its internal matching simplifies PCB integration in Doherty and push-pull topologies. Typical applications include GSM/EDGE cellular base-station power amplifiers in the 900 MHz band, CDMA and multicarrier amplifier final stages, RF power boosters for industrial heating, and continuous-wave (CW) ISM-band transmitters in the 920-960 MHz range. Designers select this part when the application requires high gain and ruggedness at moderate CW power levels. When designing with this device, ensure the drain supply is well-bypassed with low-ESR capacitors close to the package leads, and that the heatsink compound and mounting torque follow the manufacturer recommendations. Gate bias sequencing should be applied before drain voltage to prevent uncontrolled current surges.
MRFE6S9135HR3 - 135W 900MHz RF Power LDMOS | NXP | NI-880H-2L
The NXP MRFE6S9135HR3 is a 135 W RF power N-channel enhancement-mode lateral MOSFET (LDMOS) designed for broadband commercial and industrial applications with frequencies up to 1000 MHz, packaged in the NI-880H-2L ceramic flanged package. It features 39 W output power, 21 dB power gain, and 28 V typical operating voltage optimized for 900 MHz band RF amplification. What is an RF power LDMOS transistor? An LDMOS (Laterally Diffused Metal-Oxide Semiconductor) is a specialized power transistor architecture optimized for RF and microwave amplification. It sits within the broader hierarchy: LDMOS -> RF power MOSFET -> power transistor -> discrete semiconductor. Compared to bipolar RF transistors, LDMOS parts offer higher gain, better thermal stability, and superior ruggedness under load mismatch conditions, making them the dominant technology in cellular base station power amplifiers from 700 MHz to 3 GHz. Key features include 21 dB typical power gain at 940 MHz, a high drain efficiency of 63.3% under specified test conditions, and integrated ESD protection rated Class II (HBM), Class A (MM), and Class IV (CDM) per JEDEC standards. The device supports broadband operation from 1 MHz to 1000 MHz, enabling a single part to cover multiple cellular and industrial frequency bands. The NI-880H-2L package provides a low-thermal-resistance ceramic flange that bolts directly to a heatsink, allowing continuous 135 W operation without additional cooling. Architecturally, this device uses NXP's advanced high-voltage LDMOS process with a drain-source breakdown voltage of 66 V (rated), gate-source breakdown voltage, and a thermally-enhanced Ni-plated ceramic flange package. The lateral structure provides a low-feedback capacitance and excellent phase linearity, which is critical for Doherty and linear amplifier architectures used in modern wireless infrastructure. Typical applications include GSM, EDGE, W-CDMA, and LTE base station power amplifiers in the 900 MHz cellular band (specifically the 925-960 MHz range), industrial RF heating, and broadband laboratory RF amplifiers. The wideband capability also supports multi-band repeater and cognitive-radio front-end designs. When designing with this part, follow the manufacturer-recommended reference design for the target frequency and ensure the heatsink thermal design maintains the case temperature within the specified derating curve. Always include a DC-blocking capacitor at the input and output RF paths plus an RF choke on the drain, and respect the load-mismatch tolerance (typically 10:1 VSWR) to maintain long-term reliability.
MRFE6S9135HR5 - 39W 940MHz RF Power LDMOS Transistor | NXP
The NXP MRFE6S9135HR5 is a 39W RF power LDMOS transistor optimized for 940 MHz industrial, scientific, and medical (ISM) applications, housed in the NI-880H-2L ceramic package. According to NXP datasheet, the device delivers 21 dB typical power gain at 940 MHz when tested at 28 V VDD with 1 A quiescent bias, supporting broadband commercial and industrial amplifier designs up to 1000 MHz. What is an LDMOS RF Power Transistor: an LDMOS (Laterally Diffused Metal-Oxide-Semiconductor) transistor is a power-device architecture engineered specifically for high-frequency RF amplification. It sits within the broader taxonomy: RF power transistor -> discrete semiconductor -> RF power amplifier building block. Compared to bipolar RF power transistors, LDMOS offers higher gain, better thermal stability, simpler single-polarity biasing, and superior ruggedness under mismatch, which is why it dominates cellular base-station PA and high-power ISM transmitter designs. Key features include a 66 V drain-source voltage rating, 21 dB typical gain at 940 MHz, high efficiency and broadband operation, integrated ESD protection, and a thermally enhanced NI-880 ceramic flange package with bolt-down mounting. The Ni-880 footprint exposes the die flange directly to the heatsink, achieving very low thermal resistance for sustained CW operation. Internal matching on input and output simplifies board-level design while still permitting external matching network optimization for the 900-1000 MHz band. The MRFE6S9135HR5 uses NXP's sixth-generation high-voltage LDMOS process, providing excellent gain flatness across the 900-1000 MHz operating band and robust tolerance to load VSWR. The device is characterized for both pulsed and CW operation, making it flexible for radar, Class A/AB amplifier stages, and digital video broadcast transmitters. Designers value the predictable large-signal performance, which simplifies the gain and efficiency trade-off in the output stage. Typical applications include RFID reader transmitters, UHF digital TV exciters, industrial heating RF generators, scientific particle accelerator drivers, medical RF ablation equipment, and avionics/ATC transponder drivers. The 940 MHz band also covers license-free ISM equipment used in material processing and plasma generation. When designing with this part, ensure proper RF bypassing on the drain bias line with 100 ohm ferrite beads and 100 nF / 10 uF decoupling. Use a bolted copper or aluminum heatsink with thermal compound; do not rely on PCB copper alone for continuous 39W dissipation. This page synthesizes NXP datasheet specifications, distributor pricing, NI-880 footprint-compatible drop-in alternatives, and RF amplifier design notes not consolidated in the manufacturer datasheet alone.
MRFE6S9135HSR3 - 940MHz 39W RF Power LDMOS MOSFET | NXP
The NXP (formerly Freescale) MRFE6S9135HSR3 is a 940 MHz, 39 W average, 28 V single W-CDMA lateral N-channel RF power MOSFET housed in the NI-880S ceramic package (CASE 465B-03, STYLE 1). Designed for broadband commercial and industrial applications up to 1000 MHz, the device delivers 21 dB power gain at 940 MHz with 39 W average output power under W-CDMA modulation, making it suitable for cellular base-station power amplifier stages. The Suffix "S" denotes the straight-lead pin variant of the NI-880 package, while the "R3" indicates a 250-unit tape-and-reel packing option. RF power MOSFETs (also called RF LDMOS - Laterally Diffused Metal-Oxide Semiconductor) are specialized power transistors engineered to deliver high RF output power at frequencies from HF through ~2 GHz with high gain and efficiency. LDMOS sits within the broader power MOSFET family but uses a laterally diffused drain structure that provides higher breakdown voltage, better thermal performance, and superior RF gain compared to standard vertical MOSFETs. In the system hierarchy, an RF LDMOS sits inside the power amplifier (PA) stage, which is itself part of the RF front-end module of a wireless base station. Key features include a 21 dB power gain at 940 MHz, 28 V typical drain bias operation, single W-CDMA waveform capability, integrated electrostatic discharge (ESD) protection, and a high ruggedness profile for VSWR mismatched loads. The device is characterized for both CW and pulsed single-carrier W-CDMA waveforms, with peak envelope power (PEP) ratings supporting multi-carrier GSM and LTE-like signals when properly tuned. The MRFE6S9135HSR3 is internally matched and uses a lateral N-channel enhancement-mode structure fabricated on a high-resistivity silicon substrate. The NI-880S ceramic package provides low thermal resistance (θJC) and excellent RF grounding through its ceramic body and straight leads, which are preferred for high-frequency PCB land patterns when lead inductance must be minimized. Typical applications include W-CDMA base-station power amplifiers at 900 MHz band, industrial RF heating at 915/940 MHz, RFID readers, and broadband general-purpose RF amplification. Designers choose this part when they need a proven, high-volume production LDMOS for sub-1 GHz base-station PAs. Designers must provide adequate RF decoupling on the drain and gate bias feeds, maintain the drain-source voltage below the absolute maximum rating, and use a properly matched output network. Thermal management via the package mounting flange is critical because the NI-880S package is designed to be bolted directly to a heatsink with a thin layer of thermal compound. This page synthesizes distributor pricing, drop-in same-package variants, and practical RF PCB design guidance not found in the standalone NXP datasheet, helping engineers evaluate the MRFE6S9135HSR3 for new and retrofit amplifier designs.
MRFE6S9160HR3 - 35W, 880MHz RF Power MOSFET | NXP
The NXP MRFE6S9160HR3 is a 35 W average, 28 V, single N-CDMA lateral N-channel RF power MOSFET designed for base-station power amplifiers covering 865 to 960 MHz. It is offered in the NI-780H-2L ceramic/metal air-cavity package and provides roughly 21 dB of power gain at 880 MHz under the standard NXP test conditions, making it a workhorse driver/final-stage device for cellular infrastructure. An RF power MOSFET is a lateral MOSFET optimized to deliver high RF output power at high efficiency into a 50 ohm load, typically used as the final amplification stage in a transmitter chain. The MRFE6S9160HR3 belongs to NXP's HV6E family of laterally-diffused metal-oxide-semiconductor RF devices, which occupy the hierarchy: RF power MOSFET -> RF power transistor -> discrete semiconductor -> amplifier building block. The lateral architecture gives excellent thermal conductivity between the active silicon and the package flange, enabling reliable high-power pulsed operation such as the N-CDMA and GSM/EDGE waveforms used in 900 MHz cellular base stations. Key datasheet characteristics include 35 W average output power at 880 MHz (VDD = 28 V), 21 dB small-signal power gain, drain efficiency above 32 percent in N-CDMA, and operation across 865-960 MHz. The device is also qualified for multicarrier amplifier (MCPA) applications where multiple modulated carriers share a single final stage. Built-in ESD protection and a high breakdown voltage simplify base-station final-stage design and reduce tuning iterations during prototype bring-up. Architecture-wise, the MRFE6S9160HR3 is built on NXP's HV6E laterally-diffused process, which delivers a high breakdown voltage suitable for 28 V operation while still supporting broadband RF performance. The NI-780H-2L package provides a low-inductance flange-ground lead, two RF leads for input and output, and a drain lead that is decoupled through the supply feed. Reference designs from NXP show this part delivering typical CW P1dB in the 55-80 W range and an internally-matched input that requires only a small matching network on the demonstration PCB. Typical applications include 900 MHz GSM/EDGE base-station power amplifiers, N-CDMA repeaters, multicarrier power amplifier (MCPA) modules for cellular infrastructure, and RFID or industrial-scientific RF links in the 865-960 MHz band. The combination of high gain and ruggedness also suits driver stages for higher-power LDMOS finals in similar frequency bands. Designers should follow NXP's evaluation PCB layout, provide a minimum load VSWR protection loop, and consider a small gate-bias sequencing circuit to keep the part in safe bias during RF ramp-up.
MRFE6S9160HSR3 - 160W RF Power LDMOS 880MHz | NXP
The NXP MRFE6S9160HSR3 is a 28V, 160W peak RF power lateral N-channel enhancement-mode LDMOS transistor designed for 865-960 MHz base station applications. Housed in the NI-780S (NI780HS) ceramic package, it delivers 21 dB power gain and 31% drain efficiency at 880 MHz under single-carrier N-CDMA drive to 35 W average output power. The device is the higher-tape-and-reel (R3) variant of the MRFE6S9160H family. An RF power LDMOS (Laterally Diffused Metal-Oxide Semiconductor) transistor is a specialized power MOSFET optimized for high-frequency, high-power amplification. RF power transistors sit within the power semiconductor taxonomy: LDMOS -> power MOSFET -> discrete transistor -> power semiconductor. They are the dominant technology for cellular base-station power amplifiers below 3 GHz, displacing older silicon bipolar and GaAs parts because of high gain, high efficiency, and outstanding ruggedness into VSWR mismatched loads. Key features include broadband operation across 865-960 MHz covering GSM, GSM EDGE, and N-CDMA bands, integrated ESD protection, and enhanced thermal conduction via the NI-780S flange. The device is specified for a VDD of 28 V, IDQ of 1200 mA, and IS-95 CDMA drive at 9.8 dB PAR. ACPR is -46.8 dBc at 750 kHz offset, enabling multicarrier amplifier compliance with 3GPP spectral mask requirements. The MRFE6S9160HSR3 uses NXP's 6th-generation high-voltage LDMOS (HV6E) process, which provides a 66V drain-source voltage rating and tight threshold control for repeatable class-AB biasing. Internal input matching simplifies PCB layout and reduces external component count. Compared to the older MRF6S9100H family, HV6E offers higher gain, better efficiency, and integrated ESD that protects the die during handling and assembly. Typical applications include single-carrier and multicarrier N-CDMA driver or final-stage amplifiers in 900 MHz GSM/EDGE base stations, public-safety repeaters, and industrial RF heating at sub-GHz frequencies. The NI-780S bolted-flange package allows direct mounting to a heatsink for continuous-wave operation. As of 2026-10-16, distributor pricing is available from Mouser and NXP direct. When designing with this part, mount the flange to a flat heatsink with thermal compound, ensure source grounding on both the lead and the mounting flange, and stabilize VDD with low-ESR bulk and decoupling capacitors. Operate within the SOA at all temperatures and respect the 1.2 A IDQ bias envelope. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer datasheet alone.
MRFE6S9200HR3 - 880MHz 58W RF Power LDMOS | NXP
The NXP MRFE6S9200HR3 is an N-channel enhancement-mode lateral MOSFET (LDMOS) RF power transistor rated for 880 MHz operation, delivering 58 W average output power in single-W-CDMA base-station applications from a 28 V supply. Housed in the NI-880H-2L ceramic air-cavity package, it provides 21 dB gain at 880 MHz and is designed for broadband commercial and industrial use up to 1000 MHz. The device is tested under 1.4 A quiescent bias with a 28 V drain supply, producing the 58 W P1dB-class output used in final-stage Doherty and push-pull amplifier chains. An RF power LDMOS (Laterally Diffused Metal-Oxide Semiconductor) is a transistor technology optimized for high-power, high-frequency amplification. LDMOS sits in the broader taxonomy of power MOSFET -> discrete semiconductor -> RF transistor -> RF power amplifier device. Compared with bipolar power transistors, LDMOS offers higher gain, better thermal stability, easier broadband matching, and superior robustness into severe output mismatches (high VSWR), making it the workhorse technology for cellular base-station power amplifiers since the 1990s. Key features include a 66 V drain-source voltage rating, 21 dB typical power gain, broadband response from HF through 1000 MHz, and an integrated ceramic NI-880H-2L flange package that bolts directly to a heatsink. The transistor's lateral structure minimizes parasitic feedback and supports high-efficiency Class AB, Class C, and Doherty amplifier implementations. Its 50 V gate breakdown and enhancement-mode threshold simplify bias network design. Architecturally, the MRFE6S9200HR3 employs NXP's HV6E LDMOS process with a thin epitaxial drift region to balance breakdown voltage and on-resistance. This produces high drain efficiency (typically 30-35% in W-CDMA) and excellent linearity under digital modulation. The ceramic NI-880H package uses a direct copper-bonded flange with low thermal resistance, enabling continuous-wave and pulsed operation at full rated power. Typical applications include 900 MHz GSM/EDGE and W-CDMA base-station final-stage power amplifiers, UHF TV transmitters, industrial RF heating, and military/aerospace L-band and UHF links. It is also widely deployed in two-way land-mobile radios and digital broadcast boosters operating in the 700-1000 MHz range. When designing with the MRFE6S9200HR3, ensure the heatsink thermal design keeps junction below 200C at full power, and verify gate bias sequencing to avoid thermal runaway during turn-on. Source impedance matching at the fundamental and second harmonic is critical for adjacent-channel leakage ratio (ACLR) compliance in W-CDMA. This page synthesizes distributor stock, application-circuit guidance, and same-package drop-in alternatives sourced from NXP cross-reference documentation - information not found in the manufacturer datasheet alone.
MRFE6S9201HSR5 - 40W 880MHz RF Power LDMOS NI-780S | NXP
The NXP MRFE6S9201HSR5 is a 40W N-channel enhancement-mode lateral MOSFET (LDMOS) designed for broadband commercial and industrial RF power amplifier applications at frequencies up to 1000 MHz, with a typical operating point of 28V and 880 MHz delivering 20.8 dB gain. Housed in the NI-780S ceramic package, this RF power transistor is rated for 28V operation with a maximum drain-source voltage of 66V and supports an output power of 40W. A lateral double-diffused MOSFET (LDMOS) is a specialized power transistor architecture optimized for RF amplification in the HF to UHF range (typically 1 MHz to 2 GHz). LDMOS technology dominates the cellular base-station transmitter market because it offers high power density, high efficiency, excellent thermal performance, and lower cost per watt than competing bipolar or GaAs technologies. Positioned in the hierarchy: RF power transistor -> RF power MOSFET -> LDMOS -> discrete semiconductor, this category is essential for transmitting high-power RF signals with minimal distortion. Key features include a 28V nominal drain supply, 1.4 A typical quiescent current, 880 MHz typical operating frequency, 20.8 dB power gain at rated output, and a 66V maximum drain-source voltage rating. The NI-780S ceramic package provides excellent thermal conductivity and is designed for high-power RF performance with internal matching networks that simplify PCB integration at UHF frequencies. Technically, the MRFE6S9201HSR5 uses NXP's advanced HV6E LDMOS process technology, which delivers high breakdown voltage, high gain across the UHF band, and superior ruggedness under mismatched load conditions. The lateral structure provides low parasitic capacitance and excellent thermal coupling to the ceramic flange, enabling continuous-wave (CW) operation at rated power. Typical applications include GSM/EDGE base-station power amplifiers, UHF television transmitters, industrial RF heating, scientific RF generators, and two-way land-mobile radio base stations. The 880 MHz target frequency and broadband capability suit cellular infrastructure repeaters and ISM-band power amplifiers. When designing with this part, ensure the heatsink is properly torqued to the ceramic flange and that the DC blocking and bypass network follows the reference design in the NXP datasheet. Mismatched loads above 10:1 VSWR can damage the device; an isolator or output coupler is recommended in production systems. This page synthesizes NXP datasheet parameters, distributor pricing, and drop-in alternative notes not consolidated in the manufacturer datasheet alone.
MRFE6VP61K25NR6 - 1250W LDMOS RF Power Transistor, 1.8-600 MHz | NXP
The NXP MRFE6VP61K25NR6 is a wideband RF power LDMOS transistor rated for 1250 W CW output from 1.8 to 600 MHz at 50 V, housed in the OM-1230-4L (NI-1230) ceramic air-cavity package. It is a high-ruggedness N-channel enhancement-mode lateral MOSFET whose unmatched input and output design allows the same part to cover HF, VHF, and low-UHF bands without board-level retuning, with typical power gain of 23 dB at 230 MHz per the NXP datasheet. An RF power LDMOS (Laterally Diffused Metal-Oxide Semiconductor) transistor is a type of power MOSFET optimized for high-frequency, high-power amplification in the megahertz to gigahertz range. LDMOS technology combines the high breakdown voltage of a laterally diffused drift region with a low on-resistance MOSFET channel, enabling high output power, good thermal performance, and excellent broadband gain. These devices sit in the broader RF power amplifier hierarchy that includes GaN HEMTs (for higher frequencies and efficiencies) and bipolar RF transistors (legacy VHF designs). LDMOS dominates industrial, broadcast, and mobile-radio applications up through 1 GHz because of its ruggedness and cost structure. The MRFE6VP61K25NR6 specifically offers 23 dB typical gain at 230 MHz, 50 V drain operation, 100 mA quiescent bias current reference, and is rated for high VSWR loads typical of industrial RF generators. These specifications make the part well-suited for applications where the load can be unpredictable - such as plasma generators, MRI RF amplifiers, and CO2 laser exciters - because the device is designed to survive severe mismatch without destruction. Typical applications include industrial RF plasma generators, broadcast FM and VHF transmitters, mobile radio base-station power amplifiers, MRI medical imaging, CO2 laser RF exciters, and aerospace HF/VHF power blocks. In each case the wide 1.8 to 600 MHz bandwidth allows one amplifier design to cover multiple bands without component swaps, simplifying inventory and supporting multi-standard platforms. When designing with this device, pay close attention to DC bias sequencing, gate protection, and thermal management. The OM-1230-4L package requires a properly formed copper or brass heatsink flange; air-only cooling is normally insufficient at full 1250 W CW output. Use NXP's reference evaluation boards and application notes to verify the matching network and harmonic-filter strategy for the target frequency band.
MRFE6VP6300HSR3 - 300W 50V RF Power MOSFET NI-780S-4L | NXP
The NXP MRFE6VP6300HSR3 is a 300 W, 50 V lateral N-channel broadband RF power MOSFET designed for high-VSWR industrial, broadcast, aerospace, and land-mobile applications. It operates from 1.8 MHz to 600 MHz with 26.5 dB gain at 230 MHz, housed in the NI-780S-4L ceramic/AC4 surface-mount package, and is capable of 65:1 VSWR load-mismatch tolerance at 50 V, 230 MHz, all phase angles. A RF power MOSFET is a specialized lateral field-effect transistor optimized for high-frequency, high-power amplification. It sits within the RF semiconductor taxonomy: RF power MOSFET -> power MOSFET -> discrete MOSFET -> semiconductor. The lateral structure differs from vertical DMOS by offering lower feedback capacitance and higher breakdown ruggedness, which is essential when the output matching network can briefly reflect high VSWR during antenna faults, antenna tuning, or plasma-generator load transients. Compared to bipolar RF transistors, lateral MOSFETs provide higher gain, simpler biasing (gate voltage rather than base current), and superior thermal-cycling endurance. Key features include 300 W CW and 300 W pulsed output (20% duty, 100 us), high ruggedness for laser/plasma exciters, unmatched wide-band input/output for 1.8-600 MHz use, and an integrated electrostatic-discharge protection network on the gate. The device is rated to a maximum drain-source voltage of 50 V and uses enhancement-mode N-channel construction, meaning it is normally off and requires a positive gate threshold to conduct. Architecturally, the MRFE6VP6300HSR3 uses NXP's later-generation HV6 lateral RF MOSFET process, which combines gold metallization for bond-wire reliability, a ceramic NI-780S-4L flange for low thermal resistance, and a common-source 2-element configuration that lets designers build push-pull or paralleled stages without external balancing networks. The drain lead is brought out through the package body for low-inductance grounding. Typical applications include VHF/UHF broadcast transmitters, industrial RF generators for laser and plasma excitation, FM/VHF land-mobile base stations, and aerospace HF/VHF communication amplifiers. The 65:1 VSWR ruggedness margin is the defining advantage for plasma and CO2-laser drivers where load reflections are normal rather than exceptional. When designing with this part, gate bias sequencing matters: the device is enhancement-mode, so the gate must reach threshold (typically +2 V) before drain voltage is applied to avoid thermal runaway. Designers must also provide adequate heatsinking because 300 W CW output translates to roughly 150 W of dissipation at typical efficiencies of 50-60%, demanding a forced-air or liquid-cooled cold plate for continuous duty. This page consolidates distributor pricing, parametric drop-in alternatives, and practical design considerations that go beyond the manufacturer datasheet, including a parametric proximity comparison versus related NXP HV6 series parts.
MRFG35003ANT1 - 3.5GHz 3W 12V GaAs pHEMT RF FET | NXP
The NXP Semiconductors MRFG35003ANT1 is a 3 W, 12 V GaAs pHEMT RF power field-effect transistor characterized from 500 MHz to 5000 MHz and housed in the PLD-1.5 (CASE 466-03) surface-mount plastic package. The part is intended for WLL/MMDS/BWA and UMTS driver applications and delivers 10.8 dB typical power gain at 3.55 GHz with 24.5% drain efficiency from a 12 V rail, drawing 55 mA quiescent current and dissipating approximately 3 W of RF output power into a 50 ohm load. An RF power transistor (also called an RF power FET or RF MOSFET) is a specialized discrete semiconductor that amplifies high-frequency signals in the MHz-to-GHz range while delivering substantial output power to a load such as an antenna. Within the discrete-semiconductor hierarchy, RF power FETs sit under transistors and MOSFETs and are characterized by their frequency band, output power, gain, and efficiency rather than by switching speed. The GaAs pHEMT (Gallium Arsenide pseudomorphic High-Electron-Mobility Transistor) process used here delivers higher electron mobility and lower parasitic capacitance than silicon MOSFETs, which is why it dominates microwave power stages up to several GHz. Key features include ACPR of -43 dBc measured at 5 MHz offset in a 3.84 MHz UMTS channel bandwidth, enabling the part to meet 3GPP spectral-emission masks for UMTS driver stages. The device is unmatched, allowing the PCB designer to set input and output matching networks for the specific frequency band and class-AB bias point. PLD-1.5 is a tape-over-reel plastic over-molded package with a copper flange for thermal dissipation, qualified for surface-mount production lines. Typical applications include UMTS/WCDMA base-station driver amplifiers, MMDS (Multichannel Multipoint Distribution Service) transmit blocks at 2.5-3.5 GHz, BWA (Broadband Wireless Access) CPE front ends, and WLL (Wireless Local Loop) infrastructure. At 3.55 GHz the part targets the 3.5 GHz WLL/CPE band, where its 10.8 dB gain allows it to drive a final-stage LDMOS or another pHEMT to full output power. Design considerations include adequate thermal management of the PLD-1.5 flange, proper sequencing of gate bias before drain voltage to prevent destructive turn-on transients, and tight PCB layout for the matched network. For reliable operation the operating channel temperature must be kept below 150 C as specified in the manufacturer datasheet. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes that go beyond what the datasheet PDF provides, helping RF design engineers shorten evaluation cycles for 3.5 GHz driver-stage designs.
MRFG35003N6T1 - 3W GaAs PHEMT RF Power FET | NXP | 3.5 GHz
The NXP MRFG35003N6T1 is a 3 W GaAs pHEMT RF power field-effect transistor designed for 3.5 GHz wireless local loop, MMDS, broadband wireless access, and UMTS driver stages, housed in a PLD-1.5 (CASE 466-03, STYLE 1) plastic package. It operates at 6 V test bias, draws 180 mA at test, delivers 9 dB gain at 3.55 GHz, and is characterized from 0.5 GHz to 5.0 GHz for broadband flexibility. A pHEMT (pseudomorphic High Electron Mobility Transistor) is a type of GaAs field-effect transistor that uses a strained InGaAs channel to deliver high electron mobility, low noise, and high power density at microwave frequencies. In the power-amplifier hierarchy, pHEMT FETs sit between small-signal GaAs MESFETs and GaN HEMTs: they offer materially higher frequency capability and efficiency than silicon LDMOS at sub-6 GHz, while costing less and integrating more easily than GaN. They are used as driver and output stages in customer-premise equipment where linearity, gain, and efficiency must be balanced. Key features include a 3 W CW output power rating, 9 dB typical power gain at 3.55 GHz, Class AB bias operation, and an unmatched common-source configuration that lets the designer apply external matching for the target band. The device is characterized for use as a driver or pre-driver in CPE radios, with a recommended channel-temperature ceiling of 150 °C for reliable operation. Per the NXP product page, the MRFG35003N6T1 has been removed from the active portfolio; the designated successor is the MRFG35003N6AT1. Typical applications include 3.5 GHz WLL/MMDS/BWA customer-premise equipment transmitters, UMTS driver stages, and unlicensed 5 GHz band linear amplifiers. Because the part is unmatched, designers must add input and output matching networks tuned to the system frequency, typically microstrip stubs on the PCB substrate. When designing with this device, ensure that the thermal pad is properly soldered to a sufficient copper area to keep the channel temperature below 150 °C. Decoupling of the 6 V drain supply close to the package is critical for stable RF performance, and a bias sequencing circuit is recommended to avoid simultaneous application of gate and drain voltage. This page synthesizes distributor pricing, replacement guidance for the end-of-life transition, and practical RF design notes not found in the manufacturer datasheet alone, giving engineers a single authoritative reference for sourcing and substitution.
MRFG35003NR5 - 3W 3.55GHz pHEMT RF Power FET | NXP
The NXP MRFG35003NR5 is a 3 W RF power pHEMT FET designed for driver-stage applications up to 3.55 GHz, supplied in a PLD-1.5 ceramic/bolt-down package. Key electrical specifications include a 15 V drain-source rated voltage, 11.5 dB typical power gain at 12 V/55 mA bias, and a 1.3 A continuous current rating, making it suitable for WLL/MMDS/BWA and UMTS infrastructure front ends. A pHEMT (pseudomorphic High Electron Mobility Transistor) is a type of gallium-arsenide (GaAs) RF transistor in which an InGaAs channel is grown on a GaAs substrate with embedded AlGaAs. pHEMT devices offer higher frequency capability, lower noise figure, and higher power density than conventional GaAs MESFETs, placing them in the broader family of compound-semiconductor RF power transistors used in wireless infrastructure, satellite, and radar designs. The MRFG35003NR5 occupies the driver/driver-final niche between small-signal GaAs FETs and high-power LDMOS devices used in macro-cell base-station finals. Primary features include an unmatched die suitable for Class AB linear operation, broadband performance to 3.6 GHz, stable thermal behavior from the bolt-down PLD-1.5 flange, and a tested gain of 11.5 dB at 3.55 GHz. The part is lead-free and supplied on tape-and-reel as the R5 suffix indicates, with PLD-1.5 enabling direct PCB or heatsink mounting using standard screw-down hardware. The die uses a GaAs pHEMT process optimized for high linearity and broadband gain, allowing designers to add matching networks tailored to sub-bands such as 2.1 GHz UMTS, 2.7 GHz BWA, or 3.5 GHz WLL/MMDS. Thermal resistance is dominated by the PLD-1.5 flange, which provides a low-impedance path to the system heatsink. Typical applications include UMTS driver amplifiers, MMDS/WLL base-station drivers, 3.5 GHz BWA transmit chains, and broadband Class AB linear amplifiers for industrial/scientific RF equipment. In each case the MRFG35003NR5 sits between a small-signal pre-driver and a higher-power final stage. When biasing this device, hold VDS below 15 V and use a regulated negative gate bias to set quiescent current precisely at 55 mA for linear Class AB operation. Always mount the PLD-1.5 flange to a flat heatsink with thermal compound - inadequate thermal coupling will force rapid thermal shutdown. This page synthesizes distributor pricing, parametric comparison, and design notes not found on the manufacturer datasheet, providing engineers with a single-source reference for the MRFG35003NR5.
MRFG35003NT1 - 3W, 3.5GHz GaAs PHEMT RF Power FET | NXP
The NXP (formerly Freescale) MRFG35003NT1 is a 3 W, 12 V Gallium-Arsenide Pseudomorphic High Electron Mobility Transistor (GaAs pHEMT) RF power field-effect transistor designed for WLL/MMDS/BWA and UMTS driver stages from 1.8 GHz to 3.6 GHz. Housed in a PLD-1.5 plastic overmold package (CASE 466-03, Style 1), it delivers 11.5 dB minimum power gain at 3.55 GHz with a typical small-signal current of 55 mA, and is engineered for Class AB linear base-station amplifier biasing. The device is intentionally unmatched, leaving the external matching network to the designer so the same part can serve 2.3 GHz WiMAX, 2.6 GHz BWA/MMDS, and 3.5 GHz WLL/UMTS driver chains. GaAs pHEMT transistors are a class of heterojunction field-effect devices in which a high-mobility two-dimensional electron gas (2DEG) channel is formed at the AlGaAs/GaAs interface. This hypernym hierarchy - PHEMT -> HEMT -> FET -> transistor -> discrete semiconductor - places the MRFG35003NT1 in the highest-performance tier of RF power devices, offering higher cut-off frequencies, lower noise figure, and higher power density than conventional silicon MOSFETs or LDMOS. Within NXP's portfolio it sits in the MRFG family of small-signal/medium-power pHEMT drivers intended for base-station front-end stages. Key differentiating features include a 15 V drain-source voltage rating, 1.3 A maximum continuous current, 11.5 dB minimum power gain measured at 3.55 GHz, 12 V bias with 55 mA quiescent bias point, and a thermally enhanced PLD-1.5 overmolded plastic body qualified for a maximum channel temperature of 150°C. The device is RoHS-compliant and ships on tape and reel in production-friendly packaging. Architecturally the die uses a single N-channel pHEMT cell optimised for linear Class AB operation, where the gate is biased just below pinch-off to trade gain for improved intermodulation distortion. Because the part ships unmatched, the application circuit becomes a printed matching network of microstrip lines, bond-wire inductances, and shunt capacitors that resonate the device's input/output capacitances at the target band. Typical applications include 2.5/3.5 GHz WLL and MMDS driver amplifiers, 2.3 GHz WiMAX/Wi-Bro driver stages, UMTS/WCDMA base-station transmit chains, BWA point-to-multipoint radios, and 1.8 GHz DCS/PCS driver blocks. Designers routinely pair the MRFG35003NT1 with NXP's higher-power MRF6S21140 (final-stage LDMOS) or with a paired MRFG35003MR6 in push-pull driver configurations. A primary design consideration is thermal management: at 3 W CW output with 12 V bias, the device dissipates roughly half its DC input as heat, and the PLD-1.5 package must be soldered to a copper pad of at least one square inch to keep the channel temperature below 150°C. Because the part is unmatched, the PCB art around the device is the matching network - trace lengths, widths, and via fences should be modeled in a 2.5D EM simulator before fab. This page synthesises datasheet parameters, current distributor pricing, drop-in and same-footprint alternatives, and practical RF design notes that are not consolidated in the manufacturer datasheet.