HERF1004GH

Diode Arrays Overview

The HERF1004GH is a high-efficiency fast recovery rectifier diode manufactured by Taiwan Semiconductor Corporation. It features a single-phase, two-element common cathode configuration housed in an isolated TO-220AB plastic package with three terminals. The device utilizes silicon semiconductor material and is designed for applications requiring low power loss and high reliability. Key electrical characteristics include a maximum repetitive peak reverse voltage of 400V and a continuous forward current rating of 10A. The component supports a maximum non-repetitive peak forward surge current of 125A and exhibits a maximum forward voltage drop of 1.3V.

Diode Arrays Feature Summary

• High-efficiency fast recovery design optimized for reduced switching losses
• Common cathode dual element configuration within a single package
• Isolated case construction facilitating direct heatsink mounting
• Compliant with RoHS directives and free from halogenated substances

Diode Arrays Applications

• High-frequency DC/DC converter circuits
• Free-wheeling diode implementations in motor drives
• Output rectification in switched-mode power supplies
• General-purpose rectification in industrial electronics

Diode Arrays Procurement Notes

Verify the specific suffix 'H' against the manufacturer's official datasheet to confirm it denotes the correct tape-and-reel packaging or specific variant designation. Ensure the ordering information matches the exact electrical specifications required for the target application. Cross-reference the part number with authorized distributors to confirm availability and authenticity. Request the latest datasheet to validate any recent manufacturing changes or compliance updates before finalizing procurement decisions.

Diode Arrays Selection Notes

Select this component when a robust, high-current rectifier solution is needed for medium-voltage applications. The TO-220AB package provides sufficient thermal dissipation capabilities for standalone operation without extensive external cooling. Consider the 400V reverse voltage rating to ensure adequate margin for transient spikes in the circuit. The common cathode arrangement simplifies circuit layout compared to using discrete single diodes.

Diode Arrays Part Context

This component belongs to the HERF series of fast recovery rectifiers produced by Taiwan Semiconductor. The series is engineered to replace standard recovery diodes in applications where speed and efficiency are critical. The HERF1004GH specifically targets the 10A current range with a 400V blocking capability, fitting into the broader portfolio of power management semiconductors designed for industrial and consumer electronic power conversion systems.

Diode Arrays Replacement Considerations

Direct substitutes may include other 10A, 400V fast recovery diodes in the TO-220AB package. Verify pinout compatibility and thermal resistance values when considering alternatives from different manufacturers. Ensure that replacement parts meet the same reverse recovery time requirements to maintain circuit performance.