This document describes the features and applications of the HFA04SD60S ultrafast soft recovery diode. The diode has ultrafast recovery time, ultrasoft recovery, very low IRRM, very low Qrr, and guaranteed avalanche characteristics. It is optimized to reduce losses and EMI/RFI in high-frequency power conditioning systems. It is ideally suited for freewheeling, flyback, power converters, motor drives, and other applications where high speed and reduced switching losses are design requirements.
This document is a datasheet for the International Rectifier HFA04SD60S, an ultrafast, soft recovery diode designed for high frequency power conditioning systems. Key features include ultrafast recovery time, ultrasoft recovery, very low leakage, and guaranteed avalanche capability. The device is optimized to reduce losses and EMI/RFI, eliminating the need for snubbers in many applications such as freewheeling, flyback, power converters, and motor drives.
The datasheet provides absolute maximum ratings, electrical characteristics, dynamic recovery parameters, and thermal-mechanical specifications. It includes typical performance curves for reverse voltage, forward voltage drop, and recovery characteristics, along with a reverse recovery test circuit diagram and mechanical outline dimensions for the D-PAK package.
| Recovery Time (trr) | 38ns |
|---|---|
| Continuous Forward Current | 4Amp |
| Cathode-to-Anode Voltage | 600V |
| Package Type | D-PAK |
| Operating Junction Temperature | -55 to 150 °C |
The diode offers reduced RFI and EMI, reduced power loss, higher frequency operation, and reduced snubbing requirements.
It is ideal for freewheeling, flyback, power converters, motor drives, and other applications requiring high speed and reduced switching losses.
No, the softness of the recovery eliminates the need for a snubber in most applications.