HERF1008GA

Diode Arrays Overview

The HERF1008GA is a high-efficiency recovery rectifier diode array manufactured by Taiwan Semiconductor Corporation. It features a single pair of common anode configuration housed in a TO-220-3 full pack through-hole package with an isolated tab. The device is designed for general-purpose applications, offering a maximum average forward rectified current of 10A and a repetitive peak reverse voltage of 1000V. Key electrical characteristics include a maximum non-repetitive surge current rating and a typical reverse recovery time of 80ns. The component utilizes silicon material and is compliant with RoHS standards, ensuring lead-free solderability.

Diode Arrays Feature Summary

• High-efficiency recovery performance with fast switching capabilities
• Common anode dual-diode configuration for simplified circuit design
• Robust thermal management via isolated tab in TO-220-3 package
• Glass passivation for improved junction stability and reliability

Diode Arrays Applications

• High-frequency power supply circuits
• Free-wheeling diode applications in inductive loads
• DC-DC converter output rectification
• General-purpose rectification in industrial equipment

Diode Arrays Procurement Notes

Verify the specific suffix 'GA' to confirm the common anode configuration and packaging variant, as other suffixes may indicate different internal connections or tape-and-reel options. Ensure the procurement order matches the required through-hole mounting style and isolated tab specification. Cross-reference the manufacturer's latest datasheet to confirm compliance with current environmental regulations and pinout definitions before finalizing purchase orders.

Diode Arrays Selection Notes

Select this component when a high-voltage, high-current dual diode solution is required with fast recovery characteristics. The common anode topology is suitable for bridgeless PFC or synchronous rectification topologies where shared cathode or anode connections are needed. Consider the thermal resistance of the TO-220-3 package and ensure adequate heatsinking for continuous 10A operation. Verify that the 1000V reverse voltage rating exceeds the peak inverse voltage present in the target application circuit.

Diode Arrays Part Context

The HERF series represents Taiwan Semiconductor's line of high-efficiency recovery rectifiers, engineered to reduce switching losses and electromagnetic interference compared to standard recovery diodes. The HERF1008GA belongs to the 10A current rating segment within this family, utilizing advanced silicon planar technology. This series is positioned for applications demanding higher efficiency and faster switching speeds than conventional general-purpose rectifiers can provide.

Diode Arrays Replacement Considerations

Direct replacements must match the 10A current rating, 1000V reverse voltage, common anode configuration, and TO-220-3 isolated tab package. Verify that substitute components offer equal or superior reverse recovery time specifications to maintain circuit timing integrity. Ensure thermal performance characteristics are comparable to prevent overheating in existing board layouts.