NXP Semiconductors MRF6V3090NR5

Overview

MRF6V3090NR5 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 output power at 860 MHz under DVB-T (8k OFDM) with 22.0 dB power gain and 28.5% drain efficiency, and supports pulsed operation up to 90 W peak at 1215 MHz. Its internally input-matched TO-270WB-4 package simplifies integration into high-reliability RF final-stage amplifiers.

For engineers reviewing the MRF6V3090NR5 datasheet, MRF6V3090NR5 pinout, MRF6V3090NR5 application, or MRF6V3090NR5 equivalent, key selection criteria include its 10:1 VSWR ruggedness at 50 Vdc, integrated ESD protection (HBM Class 2), 225 °C max junction temperature, and verified performance in DVB-T, pulse radar, and broadband UHF/L-band amplifier designs.

Technical Context

This N-channel enhancement-mode lateral MOSFET operates in Class AB or Class C configurations with gate threshold voltage of 0.9–2.4 Vdc and quiescent gate voltage of 2.0–3.5 Vdc at IDQ = 350 mA. Its large-signal impedance characterization (Zsource = 1.58 – j0.89 Ω, Zload = 3.51 – j3.98 Ω at 860 MHz) enables stable broadband matching across 470–860 MHz and 960–1215 MHz bands.

The device features series-equivalent large-signal S-parameters, internal input matching, and thermal resistance RθJC = 0.82 °C/W at 90 W CW. Its ruggedness specification-capable of surviving 10:1 VSWR at all phase angles under 50 Vdc bias at 860 MHz-supports high-reliability transmitter front-end design without external circulators.

Key Specifications

Pinout & Package

Package: TO-270WB-4 plastic overmolded package with exposed backside source tab. Mounting requires bolt-down or clamping per AN3263/AN3789; solder reflow not recommended (see AN1907).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MRF6V3090NR5, MRF6V2300NBR5 offers higher power headroom but reduced efficiency at broadcast power levels, while PD85008TR trades ruggedness and broadband linearity for compactness and cost-making MRF6V3090NR5 the optimal balance for mission-critical UHF/L-band transmitters demanding 10:1 VSWR survival and 225 °C junction capability.

Availability

MRF6V3090NR5 is available at Aetrix Electronics and suitable for UHF digital TV transmitters, aerospace pulse radar systems, and broadband RF test equipment requiring stable component supply and long-term lifecycle support.

Supply support for MRF6V3090NR5 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 is a global leader in high-performance RF power solutions, formed from the acquisition of Freescale Semiconductor in 2015. The company specializes in rugged, high-efficiency transistors for broadcast, defense, and industrial RF systems.

The MRF6V3090NR5 belongs to NXP's MRF6V family of broadband LDMOS transistors, engineered specifically for high-reliability UHF/L-band transmitter applications where VSWR survivability, thermal stability, and multi-standard modulation support are critical.

FAQ

What is the maximum continuous drain current rating for MRF6V3090NR5?

The MRF6V3090NR5 does not specify a maximum continuous drain current (ID) rating. Instead, its safe operating area is defined by maximum drain-source voltage (VDSS = +110 Vdc), junction temperature (TJ = 225 °C), and thermal resistance (RθJC = 0.82 °C/W). At 90 W CW output, typical IDQ is 350 mA under 50 Vdc bias-well within its SOA when mounted per AN3263 guidelines. Always verify thermal design using the MTTF calculator at nxp.com/rf.

Does MRF6V3090NR5 require external input matching networks?

No, the MRF6V3090NR5 is internally input-matched for ease of use across 470–860 MHz, eliminating discrete input matching components in standard reference circuits. However, external gate bias feed and DC blocking remain mandatory. For L-band (960–1215 MHz) operation, minor tuning may improve return loss-but the device remains functional without modification per Freescale's L-band reference data.

Can MRF6V3090NR5 be used in Class C mode for narrowband FM applications?

Yes, MRF6V3090NR5 supports Class C operation due to its extended negative gate-source voltage range (VGS down to –6.0 Vdc), enabling high-efficiency narrowband FM amplification. Its optimized transconductance and reduced Ciss (591 pF) allow stable harmonic termination. Refer to AN1955 for thermal validation and Figure 19 for series-equivalent impedances needed for fundamental/harmonic tuning.

What is the recommended PCB mounting method for MRF6V3090NR5?

NXP recommends bolt-down or mechanical clamping per Application Notes AN3263 and AN3789-not solder reflow-for the TO-270WB-4 package. The exposed source tab must make low-thermal-resistance contact with a grounded copper pour and heatsink. Use 2.5–3.0 N·m torque on M3 screws, apply thermal interface material (e.g., T-Grease 400), and avoid warping the flange. Reflow risks delamination and void formation per AN1907.

Is MRF6V3090NR5 compliant with RoHS and REACH regulations?

Yes, MRF6V3090NR5 is RoHS-compliant (Pb-free, halogen-free) and meets REACH SVHC requirements. Its TO-270WB-4 package uses lead-free matte tin plating and complies with JESD22-A113 moisture sensitivity level 3 (peak reflow temp 260 °C). Full compliance documentation-including substance declarations and test reports-is available via NXP's product change notifications portal at nxp.com/support.