MRF9030MBR1 - 30W, 945MHz RF Power MOSFET | NXP / Freescale
MPN： MRF9030MBR1 ✓ 啟用中MRF9030MBR1 概覽
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.
直接替換替代品，適用於 MRF9030MBR1 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MRF9030MBR1 （相同外形與佔位） — 差異在於 Mounting Type, Transistor Type, Manufacturer, Operating Frequency, Technology.
MRF9030MR1
✅ 直接替換📋 參考替代品（不在目錄中）
MRF9030MBR1-1
✅ 直接替換📋 參考替代品（不在目錄中）
MRF6S9045NR1
✅ 直接替換聯絡詢價
查看資料表 →MRF6S9045NBR1
✅ 直接替換聯絡詢價
查看資料表 →MRF9030MBR1 最大額定值與電氣特性
| Manufacturer | NXP Semiconductors (formerly Freescale / Motorola) |
| Part Family | RF Sub-Micron MOSFET Line |
| 電晶體類型 | N-Channel Enhancement-Mode Lateral MOSFET |
| Configuration | Single, common-source |
| Typical Output Power | 30 W at 945 MHz |
| Operating Frequency Range | DC to 1000 MHz |
| Power Gain (typical) | 20 dB |
| Drain-Source Voltage (Vds) Rating | 26 V |
| Typical Bias Current | 250 mA |
| 安裝類型 | Surface Mount (flanged ceramic) |
| 封裝 | TO-272-2 (ceramic, 2-lead flanged) |
| Maximum Dissipation (per Partstack) | 139 W |
| 濕度敏感等級 (MSL) | 3 |
| Application | Broadband RF power amplifier / large-signal common-source amplifier |
| Polarity / Channel Mode | N-Channel, enhancement-mode |
MRF9030MBR1 腳位配置
| 腳位 1 | Gate — RF input / gate bias terminal |
| 腳位 2 | Drain — RF output / drain supply terminal |
| 腳位 Flange | Source / Thermal Ground — Mounting flange provides source RF ground and thermal path |
MRF9030MBR1 DC 安全工作區 (datasheet)
典型應用
MRF9030MBR1 適用於 6 應用s: 945 MHz ISM Band Power Amplifier, 26 V Cellular Base-Station Driver Stage, Two-Way Land Mobile Radio Power Amplifier, Industrial RF Heating Driver, Broadband Laboratory RF Amplifier, Avionics and Telemetry Transmitter PA.
945 MHz ISM Band Power Amplifier
The MRF9030MBR1 is purpose-built for the 945 MHz industrial-scientific-medical band where 30 W of CW or pulsed output delivers ample link margin for short-range telemetry, RFID, and data radios. Per the NXP MRF9030M datasheet, its 20 dB typical power gain at 945 MHz lets a small signal from a preceding driver stage reach 30 W with simple matching networks, while the lateral N-channel enhancement-mode architecture keeps bias simple via a positive gate-source voltage. Compared with vertical DMOS RF parts the MRF9030MBR1 has lower parasitic capacitance, which preserves gain across the 800-1000 MHz band without re-matching. Recommend placing the part on the NXP evaluation board layout with 50 ohm microstrip feeds to gate and drain.
推薦
26 V Cellular Base-Station Driver Stage
The MRF9030MBR1 sits naturally in the 800-960 MHz cellular base-station driver chain as the final-stage gain block before the high-power LDMOS final amplifier, running from the conventional 26 V base-station rail. According to the NXP MRF9030M datasheet, the part is characterized for large-signal common-source amplifier service in 26 V base-station equipment, with 20 dB typical gain letting a single MRF9030MBR1 deliver the required drive level cleanly. The TO-272-2 ceramic package provides a low thermal-resistance path from the die to the chassis-mounted heatsink, important at 30 W continuous dissipation. Match the input network for flat gain across the operator's allocated band to preserve ACLR and EVM margins.
推薦
Two-Way Land Mobile Radio Power Amplifier
The MRF9030MBR1 is widely used in VHF/UHF land-mobile radio final PA stages where 30 W output from a 26 V rail matches the published radio power ratings. Per the NXP datasheet, its broadband 800-1000 MHz common-source response means the same PCB can serve multiple land-mobile bands with minor matching-network component swaps, saving on the manufacturing BOM. The 30 W Pout level is high enough for repeaters and base stations yet low enough that the TO-272-2 flange and a modest heatsink keep junction temperature within safe limits. Apply proper VSWR protection at the antenna port to avoid the ruggedness issues seen at high mismatch.
推薦
Industrial RF Heating Driver
The MRF9030MBR1 is a natural fit for 915/945 MHz industrial RF heating and plasma-generation drivers, where 30 W continuous output drives a higher-power tube or chain. According to the NXP MRF9030M datasheet, the lateral MOSFET's high gain and broadband response give stable closed-loop control of the heating process without an upstream driver stage. The flanged ceramic package bolts directly to a water-cooled or forced-air heatsink, which is mandatory when dissipating tens of watts continuously. Bias the part in Class AB for best linearity across the modulated heating waveform.
推薦
Broadband Laboratory RF Amplifier
The MRF9030MBR1 is an excellent building block for a 0.8-1 GHz broadband lab RF amplifier with 30 W output capability for general-purpose test, EMC pre-compliance, or educational use. Per the NXP MRF9030M datasheet, the broadband common-source response removes the need for per-band tuning, while 20 dB gain is easily tamed with a single 6 dB pad for stable bench operation. The TO-272-2 ceramic package survives the inevitable VSWR bumps and accidental opens that occur in lab environments. Add directional couplers and a forward/reverse power meter for safe operation into unknown loads.
推薦
Avionics and Telemetry Transmitter PA
The MRF9030MBR1 is commonly used in 800-1000 MHz avionics telemetry transmitter chains where 30 W output at 26 V provides ample air-to-ground link margin. Per the NXP MRF9030M datasheet description, the lateral MOSFET's broadband matching and high gain permit simplified transmitter architecture compared to multi-stage gain blocks. The ceramic TO-272-2 package handles the thermal load during long telemetry bursts at high duty cycle, especially when bolted to an airframe-grounded heatsink. Always observe the absolute maximum Vds and case-temperature ratings during worst-case CW operation.
推薦
推薦產品摘要
工程參考資料，適用於 MRF9030MBR1 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MRF9030MR1 | MRF9030MBR1-1 | MRF6S9045NR1 | MRF6S9045NBR1 |
|---|---|---|---|---|---|
| Package | TO-272-2 | TO-272-2 - same | TO-272-2 - same | TO-272-2 family - same outline | TO-272-2 family - same outline |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Drain Voltage (Vds) | 26 V | 26 V | 26 V | higher class (per MRF6S90xx datasheet) | higher class (per MRF6S90xx datasheet) |
| Frequency Range | DC to 1000 MHz | DC to 1000 MHz | DC to 1000 MHz | similar sub-1 GHz RF MOSFET band | similar sub-1 GHz RF MOSFET band |
| Transistor Type | N-Channel Enhancement Lateral MOSFET | N-Channel Enhancement Lateral MOSFET | N-Channel Enhancement Lateral MOSFET | N-Channel RF Power MOSFET | N-Channel RF Power MOSFET |
主要差異化特點
- 30 W Pout at 945 MHz with 20 dB typical gain in a single TO-272-2 device (對比MRF6S9045NR1)
- Pin-compatible same-family variant for BOM flexibility (對比MRF9030MR1)
- Lateral N-channel enhancement-mode architecture for broadband gain (對比Vertical DMOS RF MOSFETs)
設計說明
At 30 W of continuous RF output with a typical Class-AB drain efficiency around 50% at 945 MHz, the MRF9030MBR1 can dissipate 20-30 W as heat. The TO-272-2 ceramic flange must be bolted to a forced-air or liquid-cooled heatsink; without adequate heatsinking the junction temperature will exceed the absolute maximum within seconds at CW. Estimate: starting from Partstack Abs Max dissipation of 139 W, hold Pdiss well below this and keep Tj under 200 C by maintaining a steady-state case-to-ambient delta below the datasheet thermal resistance figure (consult datasheet thermal curve). Always verify with the NXP evaluation-board thermal profile before finalizing mechanical design.
Use a 50 ohm microstrip feed on the gate side and a broadband matching network on the drain side per the MRF9030M datasheet evaluation board layout. Keep the gate bias trace short and decoupled with a 100 nF ceramic plus 10 uF electrolytic to prevent low-frequency oscillation. Place the TO-272-2 flange flange-down on a continuous copper pour on the top layer that doubles as the RF ground, and stitch the bottom-layer ground with multiple vias around the flange perimeter to minimize lead inductance.
Estimated: do not operate the MRF9030MBR1 into an open or short-circuited load without circulator protection - high-mismatch VSWR can exceed the ruggedness rating and destroy the die. Always gate the device with a sequenced bias supply (drain before gate, or simultaneous ramp) to avoid forward-biasing the gate-body junction. Verify that the DC blocking capacitors at gate and drain are rated for the expected RF current and frequency, and confirm the heatsink compound thermal conductivity meets the dissipation target.
合規資訊
Specific RoHS / REACH compliance flags were not present in the verified web data for this legacy RF power part; consult the manufacturer datasheet environmental information or your procurement team to confirm before placing consumer-market orders. AEC-Q100 is not_applicable because this is a discrete RF power MOSFET, not an automotive-grade IC.
