STMicroelectronics STL12N60M6

Overview

STL12N60M6 from STMicroelectronics is an N-channel 600 V, 390 mΩ typ. MDmesh™ M6 superjunction MOSFET in PowerFLAT™ 5x6 HV package, rated for 6.4 A continuous drain current and 48 W power dissipation at T_case = 25 °C. It delivers low R_DS(on) per area, 100% avalanche tested operation, and Zener-protected gate, targeting high-efficiency switching in LLC and boost PFC converters.

For engineers reviewing the STL12N60M6 datasheet, STL12N60M6 pinout, STL12N60M6 application, or STL12N60M6 equivalent, key selection criteria include its 600 V V_(BR)DSS, 12.3 nC total gate charge, 174 ns reverse recovery time, 2.6 °C/W junction-to-case thermal resistance, and compatibility with high-voltage, medium-power resonant and hard-switched topologies.

Technical Context

This MOSFET employs ST's MDmesh™ M6 technology-optimized for reduced switching losses and improved R_DS(on)/area over prior generations-enabling high-frequency operation while maintaining ruggedness. Its low gate input resistance (6 Ω) and 4.5 pF Crss support fast, controllable turn-on/turn-off transitions under 100 V/ns dv/dt stress.

The integrated source-drain diode exhibits 1.6 V forward voltage at 6.4 A and 1.27 µC Q_rr at 150 °C, making it suitable for synchronous rectification and inductive load switching where controlled body-diode conduction and recovery are critical.

Key Specifications

Pinout & Package

STL12N60M6 uses the PowerFLAT™ 5x6 HV surface-mount package with exposed drain pad for thermal and electrical performance. The 8-pin layout features a dual-source configuration and integrated gate protection.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 600 V superjunction MOSFET applications.

Compared with IPP60R190C7 and STP12N60DM6, STL12N60M6 offers superior power density via PowerFLAT™ 5x6 HV, lower gate charge for high-frequency control, and built-in Zener protection-making it optimal for space-constrained, high-efficiency 200–500 kHz SMPS designs.

Availability

STL12N60M6 is available at Aetrix Electronics and suitable for LLC resonant converters, boost PFC stages, and industrial motor drive inverters requiring stable component supply, consistent parametric performance, and long-term production continuity.

Supply support for STL12N60M6 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 ST's MDmesh™ M6 superjunction MOSFET product line-engineered specifically for high-efficiency, high-frequency AC/DC and DC/DC conversion in server, telecom, and industrial power supplies.

FAQ

What is the maximum continuous drain current for STL12N60M6 at 100 °C case temperature?

The maximum continuous drain current is 4 A at T_case = 100 °C, as specified in Table 1 of DS12869. This derating reflects thermal limits imposed by the 2.6 °C/W R_thj-case and 150 °C maximum junction temperature, ensuring reliable operation under sustained high-temperature conditions.

Does STL12N60M6 require external gate protection?

No. STL12N60M6 integrates a Zener diode between gate and source, providing inherent protection against gate overvoltage up to ±25 V. This eliminates the need for external gate clamps in typical applications, though proper PCB layout (short gate traces, local decoupling) remains essential for noise immunity.

Can STL12N60M6 be used in synchronous rectification configurations?

Yes-the device's source-drain diode has characterized forward voltage (1.6 V at 6.4 A) and reverse recovery parameters (trr = 174 ns, Q_rr = 1.27 µC), enabling use as a controlled synchronous rectifier in secondary-side LLC or forward converters where precise timing and low recovery loss are required.

What is the recommended PCB footprint for thermal performance?

Per Figure 20 in DS12869, the recommended footprint uses a 4.4 mm × 4.4 mm exposed drain pad with ≥4 thermal vias (0.3 mm diameter, 0.8 mm pitch) connecting to inner-layer ground or power planes. This achieves the rated 2.6 °C/W R_thj-case and prevents localized hot spots during 48 W dissipation.