NXP Semiconductors MW6S010MR1

Overview

MW6S010MR1 from Freescale Semiconductor is an N-channel enhancement-mode lateral RF power MOSFET designed for Class A/AB base station amplifiers operating from 450 MHz to 1500 MHz. It delivers 10 W PEP output at 28 VDC with 18 dB power gain and 32% drain efficiency at 960 MHz, and supports analog/digital modulation in multicarrier cellular infrastructure applications.

For engineers reviewing the MW6S010MR1 datasheet, MW6S010MR1 pinout, MW6S010MR1 application, or MW6S010MR1 equivalent, key selection criteria include its 200°C junction rating, on-chip RF feedback for broadband stability, 10:1 VSWR ruggedness at 28 VDC/10 W CW, integrated ESD protection (HBM Class 1A), and TO-270-2 Gull plastic package compatibility with high-power RF PCB layouts.

Technical Context

This device operates as a single-ended RF power amplifier stage with gate-controlled transconductance and lateral MOSFET topology optimized for wideband linear amplification. Its series-equivalent large-signal impedance parameters are characterized at 450 MHz and 960 MHz, enabling precise matching network design using source/load Z-values such as 9.0 + j3.8 Ω (Zsource) and 15.0 + j1.4 Ω (Zload) at 400 MHz.

The MW6S010MR1 integrates on-chip RF feedback to ensure unconditional stability across its full 450–1500 MHz bandwidth and supports biasing at IDQ = 125 mA or 150 mA depending on frequency band and linearity requirements. It is qualified for up to 32 VDD operation and features thermal resistance RθJC = 2.85 °C/W at 80°C case temperature under 10 W PEP conditions.

Key Specifications

Pinout & Package

Package: TO-270-2 Gull (Case 1265A-02), plastic, exposed heatsink area, 3-pin surface-mount compatible with wave/solder reflow. Dimensions: D = 10.57–10.77 mm, E = 8.03–8.23 mm, A2 = 1.96–2.24 mm, L1 = 4.90–5.06 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MW6S010NR1, the MW6S010MR1 offers identical RF performance but lacks RoHS compliance documentation; compared with PD57018-E, it provides superior gain flatness and proven 10:1 VSWR ruggedness at the cost of slightly lower saturated power, making it preferred for wideband infrastructure where stability and field reliability are prioritized over peak efficiency.

Availability

MW6S010MR1 is available at Aetrix Electronics and suitable for 450 MHz TETRA base stations, 900 MHz GSM macrocells, UHF broadcast auxiliary links, ISM band wireless gateways, and multicarrier amplifier designs requiring stable component supply across extended product lifecycles.

Supply support for MW6S010MR1 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

Freescale Semiconductor (now part of NXP Semiconductors) was a leading designer of RF power transistors for wireless infrastructure, emphasizing ruggedness, linearity, and thermal reliability in high-volume base station applications.

The MW6S010MR1 belongs to Freescale's MW6S family of lateral N-channel broadband RF MOSFETs, engineered specifically for Class A/AB base station amplifiers operating up to 1500 MHz with analog and digital modulation support.

FAQ

What is the maximum drain-source voltage rating for MW6S010MR1?

The MW6S010MR1 has a maximum drain-source voltage (VDSS) rating of +68 VDC, with a minimum of –0.5 VDC. This 68 V rating allows safe operation under transient voltage spikes common in RF power amplifier circuits and supports bias sequencing flexibility during system startup and shutdown sequences. The MW6S010MR1 must not be operated beyond this limit to prevent catastrophic failure.

Does MW6S010MR1 require external stabilization components?

No, the MW6S010MR1 incorporates on-chip RF feedback that ensures unconditional stability across its entire 450–1500 MHz operating range. This eliminates the need for external RC stabilization networks or ferrite beads typically required with earlier-generation RF MOSFETs. Verified stability is confirmed in Freescale's test circuits for both 450 MHz and 900 MHz configurations, making the MW6S010MR1 suitable for wideband amplifier designs without added complexity.

What is the thermal resistance junction-to-case for MW6S010MR1?

The MW6S010MR1 has a thermal resistance RθJC of 2.85 °C/W when operated at 10 W PEP with case temperature maintained at 80°C. This value is measured under standardized conditions defined in AN1955 and enables accurate junction temperature estimation using TJ = TC + (PD × RθJC). For the MW6S010MR1, this low thermal resistance supports high-power operation in thermally constrained base station modules.

Can MW6S010MR1 be used in pulsed CW applications?

Yes, the MW6S010MR1 is characterized for pulsed CW operation with 8 μs pulse width and 1 ms period, achieving P3dB = 43.14 dBm (20.61 W) at 945 MHz. Its lateral MOSFET structure and 200°C junction rating make it well-suited for radar, TDMA, and burst-mode wireless protocols. When designing pulsed applications, ensure gate drive timing and thermal duty cycle remain within limits specified in the MW6S010MR1 datasheet.

What is the gate threshold voltage range for MW6S010MR1?

The gate threshold voltage (VGS(th)) for MW6S010MR1 is specified from 1.5 VDC to 3.0 VDC, measured at VDS = 10 VDC and ID = 100 μADC. This relatively low and tightly controlled threshold enables precise biasing control in Class AB amplifier stages. The typical quiescent gate voltage (VGS(Q)) is 3.1 VDC at VDS = 28 VDC and IDQ = 125 mADC, which is essential for setting optimal operating point in the MW6S010MR1 amplifier design.