FFA15U120DNTU

Diode Arrays Overview

The FFA15U120DNTU is an ultra-fast recovery power rectifier manufactured by onsemi, originally developed by Fairchild Semiconductor. It features a dual common cathode configuration housed in a TO-3P package. The device supports a peak repetitive reverse voltage of 1200 V and an average forward current of 15 A at a case temperature of 100°C. Key electrical characteristics include a maximum instantaneous forward voltage of 3.5 V at 15 A, a non-repetitive peak surge current of 90 A, and a maximum reverse recovery time of 100 ns. The component operates within a junction and storage temperature range of -65 to +150°C.

Diode Arrays Feature Summary

• High speed switching capability with low forward voltage drop
• High voltage and high reliability construction
• Dual common cathode configuration for efficient circuit design

Diode Arrays Applications

• Switching mode power supplies
• Free-wheeling diodes for motor applications
• General purpose power switching circuits

Diode Arrays Procurement Notes

Verify the specific ordering suffix DNTU against official documentation to confirm packaging details, as suffixes can indicate variations in tube quantity or handling specifications. Confirm availability status, as this component may be subject to discontinuation or limited supply conditions depending on the manufacturer's current production schedule.

Diode Arrays Selection Notes

Select this component for applications requiring fast recovery times and high voltage blocking capabilities. Ensure the thermal management system maintains the case temperature within limits to support the rated 15 A average forward current. Verify that the 1200 V reverse voltage rating exceeds the maximum circuit voltage spikes to ensure reliable operation under all expected load conditions.

Diode Arrays Part Context

This part belongs to the FFA series of ultra-fast recovery power rectifiers. The 'FFA' prefix typically denotes a dual common cathode configuration, while '15' indicates the 15 A current rating and '120' signifies the 1200 V voltage class. The TO-3P package provides robust mechanical mounting and thermal dissipation suitable for through-hole assembly in industrial power electronics.

Diode Arrays Replacement Considerations

Check for direct equivalents such as the FFA15U120DN from Fairchild Semiconductor or compatible parts from other manufacturers offering identical 1200V/15A dual common cathode specifications in a TO-3P package.