STMicroelectronics STL22N60M6

Overview

STL22N60M6 from STMicroelectronics is an N-channel 600 V, 10 A MDmesh™ M6 superjunction power MOSFET in PowerFLAT™ 5x6 HV package, featuring 220 mΩ typical R_DS(on), 20 nC total gate charge, and 100% avalanche tested ruggedness. It serves as a primary switching device in high-efficiency LLC resonant converters and boost PFC stages for industrial SMPS.

For engineers reviewing the STL22N60M6 datasheet, STL22N60M6 pinout, STL22N60M6 application, or STL22N60M6 equivalent, key selection criteria include its 15 V/ns diode recovery dv/dt capability, 2.2 °C/W junction-to-case thermal resistance, Zener-protected gate, and low C_oss,eq (181 pF) enabling fast, low-loss hard-switching operation.

Technical Context

This MOSFET employs ST's MDmesh™ M6 silicon technology, delivering improved R_DS(on)/area over prior generations while maintaining robust 600 V breakdown voltage (V_(BR)DSS = 600 V min) and tight gate threshold (3.25–4.75 V). Its low intrinsic gate resistance (4.7 Ω) and optimized Crss (4.3 pF) reduce switching losses in high-frequency topologies.

The device integrates a fast, soft-recovery body diode with t_rr = 217 ns (T_j = 25 °C) and Q_rr = 1.99 µC, supporting zero-voltage switching (ZVS) transitions in resonant converters. Its 100% unclamped inductive switching (UIS) qualification ensures reliability under transient overloads.

Key Specifications

Pinout & Package

STL22N60M6 uses the PowerFLAT™ 5x6 HV surface-mount package (5.2 mm × 6.15 mm × 1.0 mm), optimized for high-current PCB thermal conduction via exposed drain pad. The package features four parallel drain terminals (pins 5–8), one gate terminal (pin 4), and three source terminals (pins 1–3).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage superjunction MOSFET applications.

Compared with IPP60R099C7XKSA1 and STW20N60M2, STL22N60M6 offers superior power density (5x6 mm² vs. TO-220/TO-247), lower gate drive loss (20 nC vs. 44/35 nC), and built-in gate protection - making it optimal for space-constrained, high-frequency PFC and resonant converters where thermal and layout efficiency are critical.

Availability

STL22N60M6 is available at Aetrix Electronics and suitable for server power supplies, industrial PFC modules, and telecom rectifiers requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.

Supply support for STL22N60M6 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.

This device belongs to the MDmesh™ M6 superjunction MOSFET product line, engineered specifically for high-efficiency, high-frequency AC-DC and DC-DC conversion in datacenter, telecom, and industrial power systems.

FAQ

What is the maximum continuous drain current at 100 °C case temperature?

The STL22N60M6 supports 6 A continuous drain current at T_case = 100 °C, as specified in Table 1 of DS12833. This derating reflects thermal limits imposed by its 2.2 °C/W R_thj-case and 150 °C maximum junction temperature, ensuring safe operation without exceeding SOA boundaries.

Does this MOSFET require an external gate resistor for stability?

A gate resistor is required for controlled switching speed and EMI mitigation, but the device's low intrinsic gate resistance (4.7 Ω) and optimized Crss (4.3 pF) allow stable operation with standard 4.7 Ω to 10 Ω external resistors - no special damping network is needed for typical 100–500 kHz applications.

Can STL22N60M6 replace older MDmesh™ M2 or M5 devices in existing designs?

Yes, it is a direct drop-in replacement for pin-compatible MDmesh™ M5 devices in PowerFLAT™ 5x6 HV packages, offering lower R_DS(on) (220 mΩ vs. 255 mΩ typ.) and improved switching behavior. For M2-based designs, mechanical and thermal redesign may be needed due to process and packaging differences.

What is the significance of the "100% avalanche tested" specification?

Every STL22N60M6 unit undergoes UIS (unclamped inductive switching) testing at I_AR = 2.9 A, verifying ability to absorb 230 mJ single-pulse avalanche energy without failure. This ensures robustness against real-world inductive transients in PFC and LLC circuits where snubberless operation is desired.