SFGH25N120FTDS

Overview

The SFGH25N120FTDS is a high-voltage N-channel Power MOSFET manufactured by onsemi, designed for robust power switching applications. It features a 1200V drain-source voltage rating and a continuous drain current of 25A at 25°C case temperature. The device utilizes onsemi's Field Stop technology to optimize the trade-off between conduction losses and switching performance. Packaged in a TO-247AD insulated tab configuration, it provides enhanced thermal management capabilities suitable for high-power density designs.

Feature Summary

• High breakdown voltage capability for demanding industrial environments
• Optimized specific on-resistance for efficient power conversion
• Fast switching characteristics enabled by advanced field stop architecture
• Robust packaging with insulated tab for simplified mounting

Applications

• Industrial motor drives and inverters
• Uninterruptible power supply (UPS) systems
• High-frequency switched-mode power supplies
• DC-DC converters for renewable energy systems

Procurement Notes

Verify the complete part number including suffixes against official onsemi documentation to ensure correct package variant and tape/reel specifications. Confirm thermal resistance values match your heatsink design requirements. Check for any recent lifecycle status updates or recommended replacements directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when designing circuits requiring high voltage isolation and moderate current handling. Evaluate the gate charge parameters against your driver capabilities to ensure optimal switching speeds. Consider the thermal impedance characteristics for your specific PCB layout or heatsink assembly to maintain junction temperatures within safe operating limits during peak load conditions.

Part Context

This device belongs to onsemi's SuperFET II series, which integrates fast recovery body diodes with low on-state resistance. The SuperFET technology combines trench gate and field stop structures to reduce switching losses significantly compared to standard planar MOSFETs. This family is widely used in efficiency-critical power electronics where minimizing heat generation is paramount.

Replacement Considerations

Consult onsemi's official cross-reference guides for direct pin-compatible alternatives. Verify that any substitute maintains identical voltage ratings, current capabilities, and package dimensions. Ensure thermal performance metrics align with existing system constraints before implementing any replacement parts.