FGY75T120SQDN

Overview

The FGY75T120SQDN is a Field Stop (FS) IGBT from onsemi, housed in a TO-247-3 package. It features a 1200 V collector-emitter breakdown voltage and a continuous collector current of 75 A at 100°C, with a pulsed current rating of 150 A. The device exhibits a typical saturation voltage of 1.95 V at 75 A and 15 V gate drive. Switching performance includes an turn-on energy of 6.25 mJ and turn-off energy of 1.96 mJ under standard test conditions. It integrates a co-packaged ultrafast recovery diode with a forward voltage of 3.4 V and a reverse recovery time of 99 ns. The component supports operation up to a maximum junction temperature of 175°C.

Feature Summary

• Utilizes Field Stop technology for optimized switching and conduction losses
• Integrates a fast soft-recovery co-packaged diode
• Designed for high thermal stability with positive temperature coefficient

Applications

• Uninterruptible Power Supplies (UPS)
• Solar Inverters
• Energy Storage Systems (ESS)

Procurement Notes

Verify the specific suffix 'SQDN' against the manufacturer's latest datasheet to confirm pinout and electrical characteristics, as suffixes can indicate variations in packaging or testing standards. Ensure the source provides traceability documentation to guarantee authenticity. Cross-reference the part number with official distributor catalogs to confirm current production status and availability constraints before finalizing procurement plans.

Selection Notes

Select this component for applications requiring robust performance in high-voltage environments up to 1200V. The integrated diode simplifies circuit design by eliminating external freewheeling diodes. Consider the thermal management requirements given the 790 W power dissipation capability and the need for adequate heatsinking to maintain junction temperatures within safe operating limits during high-frequency switching operations.

Part Context

This device belongs to onsemi's FS7 family of IGBTs, which are engineered for efficiency in power conversion systems. The TO-247-3 package provides a reliable mechanical interface for through-hole mounting, suitable for industrial and renewable energy applications where durability and thermal performance are critical factors in system longevity.

Replacement Considerations

Direct replacements include the FGY75T120SWD and FGY100T120SWD from the same manufacturer. Verify pin compatibility and electrical parameter overlaps when substituting. Ensure that any alternative part meets the same voltage and current ratings to maintain system integrity without redesigning the surrounding circuitry.