STMicroelectronics

STP21NM60ND

STP21NM60ND Description

The STP21NM60ND from STMicroelectronics is an N-channel 600V power MOSFET designed for high-efficiency switching applications. Part of the FDmesh™ II series, it features advanced technology to minimize conduction and switching losses, making it ideal for power conversion systems. With a continuous drain current (Id) of 17A (at 25°C case temperature) and a low on-resistance (Rds(on)) of 220mΩ at 10V gate drive, it ensures high current handling with reduced power dissipation. The device operates within a wide temperature range of up to 150°C (TJ) and is housed in a TO-220AB package for robust thermal performance.

STP21NM60ND Features

• High Voltage Rating: 600V Vdss for demanding industrial and automotive applications.
• Low Gate Charge (Qg): 60nC at 10V, enabling fast switching and reduced drive losses.
• Optimized Rds(on): 220mΩ at 8.5A, 10V, improving efficiency in high-current circuits.
• Enhanced Thermal Performance: 140W max power dissipation (Tc) for reliable operation under load.
• Robust Gate Drive: ±25V Vgs(max) tolerance for flexibility in drive circuitry.
• Reliability Compliance: ROHS3 and REACH compliant, with MSL 1 (unlimited) moisture sensitivity.

STP21NM60ND Applications

This MOSFET excels in high-voltage, high-frequency applications such as:

• Switch-mode power supplies (SMPS) and inverters.
• Motor control systems in industrial automation.
• Solar inverters and renewable energy systems.
• Electronic ballasts and welding equipment.
• Automotive DC-DC converters and battery management.

Conclusion of STP21NM60ND

The STP21NM60ND combines high voltage capability, low conduction losses, and fast switching performance, making it a strong choice for power electronics designers. While marked as obsolete, its FDmesh™ II technology ensures superior performance in existing designs. Its balance of efficiency, thermal management, and ruggedness makes it suitable for industrial, automotive, and energy applications where reliability is critical. Engineers should verify replacement options but can leverage its proven performance in legacy systems.