STMicroelectronics STWA48N60DM2

Overview

STWA48N60DM2 from STMicroelectronics is a high-voltage N-channel Power MOSFET in the MDmesh DM2 series, featuring 600 V V_DS, 79 mΩ max R_DS(on), and 40 A continuous drain current at T_C = 25 °C. It integrates a fast-recovery body diode with 140 ns trr (T_j = 25 °C), 70 nC total gate charge, and 50 V/ns dv/dt ruggedness - optimized for ZVS phase-shift converters and full-bridge topologies.

For engineers reviewing the STWA48N60DM2 datasheet, STWA48N60DM2 pinout, STWA48N60DM2 application, or STWA48N60DM2 equivalent, key selection criteria include low Q_rr (0.7 µC), Zener-protected gate, 100% avalanche tested robustness, and TO-247 long leads thermal performance (R_thJC = 0.42 °C/W).

Technical Context

This device employs ST's MDmesh DM2 silicon process to achieve simultaneous low R_DS(on) and ultra-low reverse recovery charge (Q_rr = 0.7 µC typ.), enabling high-frequency switching in hard-switched and resonant converters. Its Zener-protected gate structure withstands ±25 V V_GS, and intrinsic dv/dt immunity (50 V/ns) supports reliable operation in noisy bridge environments.

The fast-recovery body diode exhibits 1.6 V forward voltage at 40 A and maintains stable trr up to 256 ns at T_j = 150 °C, while the 3250 pF C_iss and 4.5 pF C_rss support precise gate drive design with minimal Miller effect.

Key Specifications

Pinout & Package

TO-247 long leads package (standard 3-lead variant), thermally optimized for high-power discrete mounting with screw-hole compatibility and extended creepage distance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage power switching applications.

Compared with STW48N60M2, STWA48N60DM2 offers superior thermal resistance for high-T_C operation; versus IPP60R099C7, it delivers integrated diode functionality at lower conduction loss but requires no external diode bill-of-material.

Availability

STWA48N60DM2 is available at Aetrix Electronics and suitable for industrial motor drives, server power supplies, photovoltaic inverters, and induction heating systems requiring stable component supply across multi-year production cycles.

Supply support for STWA48N60DM2 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.

The MDmesh DM2 series targets high-efficiency AC–DC and DC–DC conversion, emphasizing low Q_rr and rugged dv/dt performance for next-generation switched-mode power supplies and motor control systems.

FAQ

What is the maximum recommended gate resistor value for reliable switching?

A 4.7 Ω gate resistor is validated in the datasheet test circuit (Figure 12) for 20 A resistive load switching. For 40 A operation with 70 nC Q_g, values between 2.2 Ω and 6.8 Ω balance switching speed and ringing suppression; exceeding 10 Ω increases turn-off time beyond 200 ns and risks thermal overstress during transitions.

Can STWA48N60DM2 replace STW48N60M2 in existing designs?

Yes - pinout, marking, and electrical specifications are identical; only mechanical difference is longer leads in STWA48N60DM2, which improves creepage distance and simplifies heatsink isolation. No layout or firmware changes are needed, though thermal simulation should confirm R_thJC improvement (0.42 vs 0.45 °C/W) does not alter thermal interface requirements.

Is the body diode suitable for synchronous rectification in LLC resonant converters?

Yes - with trr = 140 ns and Q_rr = 0.7 µC at 25 °C (2.5 µC at 150 °C), the body diode supports synchronous rectification up to 300 kHz in well-designed LLC tanks. Its soft recovery characteristic minimizes voltage overshoot, and V_SD = 1.6 V at 40 A ensures low conduction loss during freewheeling intervals.

Does STWA48N60DM2 require external gate protection?

No - the integrated Zener protection clamps gate-source voltage to ±25 V, making external TVS diodes unnecessary for standard 12–15 V gate drivers. However, a 100 nF ceramic capacitor placed within 5 mm of the G–S terminals is recommended to suppress high-frequency noise coupling into the gate loop.