STMicroelectronics STF22N60DM6

Overview

STF22N60DM6 from STMicroelectronics is a high-voltage N-channel MDmesh DM6 Power MOSFET in TO-220FP package, rated 600 V V_DS, 240 mΩ R_DS(on) max at 10 V V_GS, and 15 A continuous drain current at T_C = 25 °C. It integrates a fast-recovery body diode with 88 ns t_rr and 0.299 µC Q_rr, enabling high-efficiency ZVS phase-shift converters and hard-switched bridge topologies.

For engineers reviewing the STF22N60DM6 datasheet, STF22N60DM6 pinout, STF22N60DM6 application, or STF22N60DM6 equivalent, key selection criteria include its 100 V/ns dv/dt ruggedness, 20.6 nC total gate charge, 157 pF C_oss,eq (0–480 V), 100% avalanche tested rating (320 mJ E_AS), and Zener-protected gate.

Technical Context

This MOSFET employs ST's MDmesh DM6 silicon technology, optimized for ultra-low Q_rr and trr while maintaining low R_DS(on) per die area-enabling reduced switching losses in high-frequency resonant and soft-switching topologies. Its intrinsic gate resistance of 5.8 Ω and low Crss (4.7 pF) support clean turn-off and minimal Miller-induced oscillation.

The device features a fully isolated TO-220FP package with 2.5 kV RMS insulation withstand voltage between leads and heat sink, supporting safe operation in grounded heatsink configurations. Its thermal resistance junction-to-case is 4.3 °C/W, enabling 29 W dissipation at T_C = 25 °C without derating.

Key Specifications

Pinout & Package

TO-220FP package: insulated tab, vertical mounting, single-row 3-pin configuration with integral heatsink isolation (2.5 kV RMS). Pin 1 = Gate, Pin 2 = Drain, Pin 3 = Source.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STF20N60DM2 and IPP60R190C7, STF22N60DM6 uniquely balances low Q_rr, Zener gate protection, and 100 V/ns dv/dt ruggedness-making it optimal for digitally controlled ZVS converters where reliability under transient stress is non-negotiable.

Availability

STF22N60DM6 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, and medical DC-DC converters requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for STF22N60DM6 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 analog, microcontroller, power, and sensor solutions for automotive, industrial, and consumer markets.

This device belongs to the MDmesh DM6 high-voltage Power MOSFET product line, engineered specifically for high-frequency, high-efficiency resonant and soft-switching power conversion topologies demanding low Q_rr, high dv/dt immunity, and robust avalanche performance.

FAQ

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

The datasheet specifies RG = 4.7 Ω for switching time characterization. With 20.6 nC Q_g and typical 1-A peak gate driver capability, a 10 Ω resistor limits dV/dt to ~2 V/ns at turn-on-well within the 100 V/ns ruggedness limit. Values above 22 Ω risk excessive turn-on delay and increased switching loss in high-frequency operation.

Can STF22N60DM6 replace STF22N60M2 in existing designs?

Yes, with verified improvement: STF22N60DM6 offers 240 mΩ R_DS(on) vs 320 mΩ for STF22N60M2, 88 ns t_rr vs 150 ns, and Zener gate protection absent in M2. Thermal and pinout compatibility is identical in TO-220FP, enabling drop-in upgrade for efficiency-critical applications.

Is the TO-220FP package suitable for forced-air cooling?

Yes-the TO-220FP's insulated tab and 4.3 °C/W R_thj-case allow direct mounting to an aluminum heatsink with thermal interface material. At 15 A continuous, junction temperature remains below 125 °C with ≥200 LFM airflow and a 0.1 °C/W heatsink assembly, per thermal simulation using DS13120 Figure 2.

Does the 100% avalanche test apply to repetitive conditions?

No-the 320 mJ E_AS rating is for single-pulse unclamped inductive switching only, as defined in Table 3. Repetitive avalanche is not characterized or guaranteed; system design must ensure SOA compliance and avoid repeated energy dumping into the MOSFET junction during fault events.