HERF1001G

Diode Arrays Overview

The HERF1001G is a high-efficiency rectifier from Taiwan Semiconductor, rated for 10A average forward current and 50V repetitive peak reverse voltage. It utilizes an ITO-220AB package with dual dies in a common cathode configuration. Key electrical parameters include a maximum surge current of 125A, a typical forward voltage of 1.0V at 5A, and a reverse recovery time of 50ns. The device operates within a junction temperature range of -55°C to +150°C.

Diode Arrays Feature Summary

• High efficiency with low forward voltage drop
• High current and surge current capability
• Low power loss characteristics
• Glass passivated chip junction

Diode Arrays Applications

• DC to DC converter
• Switching mode converters and inverters
• Freewheeling application

Diode Arrays Procurement Notes

Verify the specific part number suffix against official documentation to confirm qualification status. The standard HERF10xG designation indicates general production, while the addition of the 'H' suffix explicitly denotes AEC-Q101 automotive qualification. Ensure the ordering code matches the required reliability standards for the intended deployment environment before finalizing procurement.

Diode Arrays Selection Notes

Select this component for designs requiring robust performance in switching applications where low forward voltage and fast recovery are critical. The ITO-220AB package provides effective thermal management for high-current scenarios. Consider the AEC-Q101 qualified variant if the application demands automotive-grade reliability and stricter quality control standards.

Diode Arrays Part Context

This component belongs to the HERF1001G–HERF1008G series, which offers varying reverse voltage ratings from 50V to 1000V while maintaining a consistent 10A forward current rating. The series is designed as a high-efficient rectifier solution, utilizing glass passivation technology to ensure high reliability and low leakage currents across the operating temperature range.

Diode Arrays Replacement Considerations

Direct substitutes within the same series include HERF1002G through HERF1008G, provided their higher reverse voltage ratings do not conflict with circuit design constraints. Cross-brand replacements must match the 10A current, 50V minimum voltage, ITO-220AB package, and equivalent electrical specifications.

Diode Arrays FAQ

What does the 'H' suffix indicate in the ordering code?

The 'H' suffix signifies that the device has passed AEC-Q101 qualification testing.

Is the HERF1001G suitable for freewheeling applications?

Yes, freewheeling application is explicitly listed as a primary use case for this rectifier.

What is the maximum non-repetitive peak forward surge current?

The maximum surge current (IFSM) is 125A for an 8.3ms single half-sine wave superimposed on the rated load.