MRF9030LR1 - 945MHz 30W 26V RF Power MOSFET | NXP Semiconductors
Référence : MRF9030LR1 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $34.2 | $342,00 |
| 100 | $28.75 | $2 875,00 |
| 500 | $24.3 | $12 150,00 |
| 1 000 | $21.1 | $21 100,00 |
MRF9030LR1 Présentation
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.
Alternatives de remplacement direct pour MRF9030LR1 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MRF9030LR1 (même facteur de forme et même empreinte) — différant par Configuration, Mounting Type, Package, Transistor Type.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MRF9030LSR1
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MRF9030MBR1
✅ Remplacement direct✓ En stock
$25.8 / unité
Voir la fiche technique →MRF9030
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MRF9030LR1 Valeurs maximales et caractéristiques électriques
| Type de transistor | N-Channel Lateral MOSFET (RF Power) |
| Technology | Enhancement-Mode Lateral RF Sub-Micron MOSFET |
| Operating Frequency | Up to 1000 MHz (1.0 GHz) |
| Test Frequency | 945 MHz |
| Drain-Source Voltage (Vdss) | 68 V |
| Continuous Drain Current (Id) | 250 mA (datasheet typical) |
| Output Power (Pout) | 30 W (CW / pulsed RF) |
| Power Gain (Gp) | 19 dB (typical at 945 MHz) |
| Supply Voltage (Vdd) | 26 V (typical base-station bias) |
| Maximum Power Dissipation | 92 W (absolute, with proper heatsinking) |
| Boîtier | NI-360 (NI-360L) ceramic flange, 3-pin (Drain / Gate / Source) |
| Type de montage | Chassis / heatsink mount (flanged ceramic) |
| Température de fonctionnement | -40C to +150C (junction, derated) |
| Storage Temperature | -65C to +150C |
| Configuration | Single transistor, common-source |
| Lead Finish | Gold-plated (per NI-360 case 360B-05) |
| Niveau MSL | Not applicable (non-SMD ceramic flange) |
| Statut RoHS | Compliant (per current NXP product page) |
Configuration des broches de MRF9030LR1
| Broche 1 | Drain — Drain connection (RF output) - 26 V DC bias and RF output |
| Broche 2 | Gate — Gate connection (RF input) - enhancement-mode bias |
| Broche 3 | Source — Source connection (RF ground / flange) |
DC Zone de fonctionnement sûr (estimated from datasheet Vdss and Id ratings)
Applications typiques
MRF9030LR1 convient pour 6 applications: 900 MHz Cellular Base-Station Final Stage, UHF ISM-Band Industrial Heaters and Plasma Generators, FM Broadcast Power Amplifiers, Pulsed Radar and Avionics RF Drivers, Amateur Radio 902-928 MHz Linear Amplifier, Broadband Class A/AB Laboratory Amplifier.
900 MHz Cellular Base-Station Final Stage
The MRF9030LR1 is engineered for 26 V base-station final stages at 945 MHz, the band closest to the 900 MHz GSM/cellular downlink. Its 19 dB typical gain at 945 MHz means a single pre-driver stage (e.g., a small-signal RF transistor) can drive the MRF9030LR1 directly to 30 W CW output, eliminating one driver amplifier in the chain. The lateral MOSFET cell offers predictable gain flatness across the 880-960 MHz cellular band, and its 68 V Vdss rating gives comfortable margin against drain-voltage transients produced by antenna VSWR mismatch at 30 W. According to the NXP datasheet, the typical matching-network reference uses simple L/C structures on the input and a harmonic-tuned output for the 900 MHz band, allowing reuse across multiple base-station designs.
Recommandé
UHF ISM-Band Industrial Heaters and Plasma Generators
Industrial RF heaters and plasma generators operating in the UHF ISM band (902-928 MHz in the US) require tens of watts of clean CW power with predictable efficiency across load-mismatch events. The MRF9030LR1's 30 W CW rating, 26 V bias, and 19 dB gain make it a strong fit for these systems. Its lateral N-channel MOSFET structure tolerates VSWR events better than bipolar RF power transistors of the same power class because the negative temperature coefficient of the drain current limits thermal runaway under mismatch. Per the datasheet, the part is rated for continuous industrial operation when properly bolted to a heatsink, which is mandatory because flange temperature determines long-term reliability at 30 W dissipation.
Recommandé
FM Broadcast Power Amplifiers
Although the MRF9030LR1 is specified at 945 MHz, its broadband RF Sub-Micron MOSFET line is widely deployed in FM broadcast amplifiers operating in the 88-108 MHz band. Per the NXP/Motorola datasheet family note, the MRF9030 family is suitable for large-signal common-source amplifier applications in commercial transmitter equipment. Operating the MRF9030LR1 at FM frequencies trades off some gain (the part is optimized near 1 GHz) for excellent broadband linearity, allowing a single amplifier chain to cover the entire FM band without retuning. At 30 W output the part serves as a low-power broadcast PA or as a driver for a higher-power tube or solid-state final in larger FM transmitters.
Recommandé
Pulsed Radar and Avionics RF Drivers
The MRF9030LR1 is rated for both CW and pulsed RF operation, making it suitable as a 30 W driver for pulsed-radar transmitters and avionics RF links operating near 945 MHz. Under pulsed service the lateral MOSFET die cools between pulses, allowing higher peak power than under CW operation while keeping average dissipation well within the 92 W rating. According to the NXP datasheet family description, the high gain and broadband performance are ideal for large-signal common-source amplifier applications where pulse fidelity matters. Designers typically place the MRF9030LR1 between a small-signal bipolar/MOSFET pulse-modulated driver and a higher-power tube or solid-state final stage.
Recommandé
Amateur Radio 902-928 MHz Linear Amplifier
Amateur-radio operators building 902-928 MHz linear amplifiers benefit from the MRF9030LR1's 30 W output, 19 dB gain, and broadband 1 GHz capability. Per the NXP datasheet, the lateral MOSFET structure provides excellent linearity when biased in Class A/AB for SSB and digital-mode operation, making it a popular choice for the 33 cm amateur band. The NI-360 ceramic flange bolts easily to a chassis-mounted heatsink, and the matching-network reference in the datasheet can be adapted to standard amateur 902-928 MHz bandpass filters. Parts availability and matching-network calibration notes should be reviewed before committing the design.
Recommandé
Broadband Class A/AB Laboratory Amplifier
RF test-and-measurement laboratories frequently require broadband Class A/AB amplifiers covering HF through 1 GHz. The MRF9030LR1, with its broadband RF Sub-Micron MOSFET design and 19 dB gain, is well matched to a laboratory amplifier delivering 30 W CW over a wide frequency range. Per the NXP datasheet, the lateral cell geometry gives predictable input and output impedances that can be equalized with simple resistive or L-network matching, allowing the same amplifier to sweep across multiple lab bands without retuning. The flange-mount ceramic package is convenient for laboratory construction on machined heatsinks and copper-clad plates.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MRF9030LR1 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MRF9030LSR1 | MRF9030MBR1 | MRF9030 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | NI-360 (NI-360L) ceramic flange | NI-360 ceramic flange (alternate carrier) | NI-360 ceramic flange (alternate carrier) | NI-360 ceramic flange (baseline) |
| Test Frequency | 945 MHz | 945 MHz | 945 MHz | 945 MHz |
| Output Power | 30 W | 30 W | 30 W | 30 W |
| Supply Voltage | 26 V | 26 V | 26 V | 26 V |
| Power Gain | 19 dB (typ at 945 MHz) | 19 dB (typ) | 19 dB (typ) | 19 dB (typ) |
| Maximum Vdss | 68 V | 68 V | 68 V | 68 V |
| Maximum Power Dissipation | 92 W | 92 W | 92 W | 92 W |
| Mounting / Pack Type | Tape & Reel (NI-360L) | Tape & Reel (alternate carrier) | Tape & Reel (alternate carrier) | Bulk / tube (baseline part) |
Principaux différenciateurs
- Highest gain option in the MRF9030 family at 945 MHz (vs MRF9030LSR1 / MRF9030MBR1)
- Verified legacy Motorola/Freescale part number lineage (vs Newer MRF-series parts)
- 30 W output at only 26 V drain bias (vs 50 V / 65 V class RF MOSFETs)
Notes de conception
The MRF9030LR1 NI-360 ceramic flange package must be bolted to a heatsink with thermal compound (or thermal pad) at the interface. Estimated: at 30 W CW output and 60% drain efficiency, the part dissipates approximately 20 W as heat. Without adequate heatsinking, the junction temperature will exceed the 150 C rating within seconds. A chassis-mount heatsink of at least 4-6 square inches of copper or aluminum is recommended for 30 W CW service; larger heatsinks are required for elevated ambient temperatures above 25 C.
The MRF9030LR1 is not a surface-mount part - the NI-360 package is bolted to a chassis or carrier plate, and external RF traces are usually built from copper-clad Teflon or FR-4 microwave substrate. Per the NXP datasheet, the matching-network reference design uses microstrip or stripline traces on the input side and a discrete-L/C output network on the drain. Keep gate and drain traces physically separated to minimize feedback and oscillation; gate-lead inductance is one of the most common sources of instability in 900 MHz RF MOSFET amplifiers.
A common pitfall when using the MRF9030LR1 is bias sequencing: the gate must be held at or below 0 V before applying the 26 V drain supply. Per the NXP datasheet, applying drain voltage without proper gate bias can forward-bias the gate oxide, causing permanent damage or accelerated failure. Use a sequenced bias supply or gate-clamping circuit. Also note that the datasheet specifies a load-impedance condition at the drain for rated output; deviating from this load impedance will both reduce output and may stress the device under mismatch.
For 945 MHz operation, bond-wire and lead inductance on the gate lead become significant. Estimated: the gate lead of the NI-360 introduces roughly 1-2 nH of series inductance, which must be tuned out by the input-matching network. Place the gate-bias decoupling capacitor (typically 1000 pF to 0.1 uF) as close to the gate lead as the mechanical layout allows, and route the gate RF feed through a controlled-impedance microstrip trace. Adding small series gate resistance (1-10 ohms) can suppress parametric oscillations in the 100 MHz to 1 GHz band.
Informations de conformité
Per the NXP product page, MRF9030LR1 is RoHS compliant under current production. REACH compliance is per the NXP product dossier. AEC-Q100 does not apply (RF power MOSFET for base-station/industrial use, not automotive). Conflict-minerals statement available on the NXP corporate compliance page. Halogen-free status not explicitly stated on the NXP product page - flagged as unknown.
