NXP Semiconductors MRF6V3090NBR5

Overview

MRF6V3090NBR5 from NXP Semiconductors (formerly Freescale) is a 90 W, 50 V, UHF/L-band RF power LDMOS transistor designed for broadband broadcast and aerospace transmitters operating from 470 to 1215 MHz. It delivers 18 W average DVB-T (8k OFDM) output at 860 MHz with 22.0 dB power gain and 28.5% drain efficiency, and supports pulsed operation up to 90 W peak at 1215 MHz. Its ruggedized plastic TO-272WB-4 package enables high-reliability deployment in terrestrial TV transmitters and radar exciters.

For engineers reviewing the MRF6V3090NBR5 datasheet, MRF6V3090NBR5 pinout, MRF6V3090NBR5 application, or MRF6V3090NBR5 equivalent, key selection criteria include its 10:1 VSWR tolerance at all phase angles, integrated ESD protection (HBM Class 2), −6.0 to +10 V gate voltage range, thermal resistance of 0.82 °C/W, and qualification for 50 Vdc drain supply - critical for high-efficiency, high-linearity UHF amplifier stages.

Technical Context

This N-channel enhancement-mode lateral MOSFET operates in Class AB or Class C configurations, supporting both continuous-wave (CW) and pulsed RF amplification. Its internally input-matched design simplifies integration into 50 Ω systems, while series-equivalent large-signal impedance parameters (e.g., Z_source = 1.58 − j0.89 Ω, Z_load = 3.51 − j3.98 Ω at 860 MHz) enable precise broadband matching network synthesis.

The device features robust thermal stability (T_J max = 225 °C), qualified for 50 V_DD operation, and exhibits low intermodulation distortion (−34.4 dBc IMD shoulder at 650 MHz, DVB-T), enabling high-fidelity multi-carrier signal amplification in digital broadcast infrastructure.

Key Specifications

Pinout & Package

Package: TO-272WB-4 plastic overmolded package with exposed backside source terminal. Four mounting tabs provide mechanical stability and low-thermal-resistance attachment to heatsinks per AN3263 and AN3789.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar RF power transistor applications.

Compared with MRF6V3090NBR5, the MRF6V2300NBR5 offers wider frequency coverage but lower thermal performance, while the MRFE6VP6300HR5 delivers superior efficiency and power density in a narrow 2 GHz band - making MRF6V3090NBR5 the optimal balance of UHF/L-band coverage, ruggedness, and proven broadcast reliability.

Availability

MRF6V3090NBR5 is available at Aetrix Electronics and suitable for terrestrial TV transmitters, aerospace radar exciters, UHF repeaters, and commercial test equipment requiring stable component supply across extended product lifecycles.

Supply support for MRF6V3090NBR5 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors acquired Freescale's RF Power business in 2015 and continues to support legacy high-power LDMOS products with full documentation, modeling tools, and application engineering resources.

The MRF6V3090NBR5 belongs to NXP's broadcast-optimized RF Power LDMOS family, engineered specifically for high-reliability, high-efficiency amplification in digital terrestrial television and aerospace communication systems.

FAQ

What is the maximum junction temperature rating for the MRF6V3090NBR5?

The MRF6V3090NBR5 has a maximum operating junction temperature (T_J) of 225 °C, as specified in Table 1 of the Freescale RF Device Data document. This high thermal limit enables reliable operation in high-power CW applications when mounted per AN3263 guidelines. The device's MTTF exceeds 100,000 hours at 150 °C junction temperature, confirming long-term stability in broadcast transmitter environments where MRF6V3090NBR5 is commonly deployed.

Does the MRF6V3090NBR5 require external input matching components?

No, the MRF6V3090NBR5 is internally input-matched for ease of use in 50 Ω systems, as confirmed in the Features section of the datasheet. This eliminates the need for external input matching networks in standard reference circuits - such as the 860 MHz narrowband test fixture - reducing design complexity and board space. However, output matching remains application-specific and must be implemented externally using the provided Z_load data (3.51 − j3.98 Ω at 860 MHz) for optimal MRF6V3090NBR5 performance.

What is the gate threshold voltage range for the MRF6V3090NBR5?

The gate threshold voltage (V_GS(th)) for the MRF6V3090NBR5 is specified as 0.9 V (min) to 2.4 V (max) at V_DS = 10 Vdc and I_D = 200 µAdc, per Table 5 of the datasheet. This low-threshold range supports efficient Class AB biasing and enables stable Class C operation with extended negative gate voltage swing (down to −6.0 V), a key feature leveraged in pulsed radar applications where MRF6V3090NBR5 delivers 90 W peak output.

How does the MRF6V3090NBR5 handle load mismatches in broadcast applications?

The MRF6V3090NBR5 is explicitly rated to handle 10:1 VSWR at all phase angles when operated at 50 Vdc and 860 MHz, as stated in the Features section. This ruggedness ensures continued operation and reliability during antenna detuning, cable faults, or environmental changes in terrestrial TV transmitters - a critical requirement validated in real-world broadcast deployments where MRF6V3090NBR5 serves as the final PA stage.

What packaging format is used for the MRF6V3090NBR5?

The MRF6V3090NBR5 uses the TO-272WB-4 plastic overmolded package with an exposed backside source terminal, as documented in Figure 1 and Table 6 of the datasheet. The "R5" suffix indicates 50-unit tape-and-reel packaging on a 56 mm tape width with 13-inch reels. This package supports bolt-down or clamped heatsink mounting per AN3263 and AN3789, delivering the 0.82 °C/W thermal resistance essential for sustained MRF6V3090NBR5 operation at 90 W peak.