HER301G R0G

Single Diodes Overview

The HER301G R0G is a glass passivated high-efficiency rectifier diode manufactured by Taiwan Semiconductor Corporation. It features a single silicon die in a DO-201AD axial leaded package with an isolated case connection. The device supports a maximum average forward current of 3A and offers a repetitive peak reverse voltage rating of 50V. Key electrical specifications include a maximum non-repetitive peak forward surge current of 125A, a maximum junction temperature of 150°C, and a typical forward voltage of 1.0V at 3A. The component complies with RoHS standards and IEC 61249-2-21 halogen-free definitions.

Single Diodes Feature Summary

• Glass passivation provides high reliability and low leakage current characteristics
• Low forward voltage drop contributes to reduced power loss and high efficiency
• High surge current capability ensures robustness against transient loads
• Molding compound meets UL 94V-0 flammability rating for safety

Single Diodes Applications

• DC to DC converter circuits
• Switching mode converters and inverters
• Freewheeling applications

Single Diodes Procurement Notes

Verify the specific ordering suffix to confirm packaging details, as variations exist between tape and reel and ammo box configurations. Ensure the selected variant matches the required AEC-Q101 qualification status if automotive-grade reliability is necessary. Cross-reference the manufacturer's official datasheet version to confirm current electrical parameters and mechanical dimensions before finalizing procurement orders.

Single Diodes Selection Notes

Select this component for applications requiring a 3A continuous current rating with a 50V reverse voltage blocking capability. Consider the thermal resistance values when designing heat dissipation strategies for enclosed environments. Evaluate the reverse recovery time requirements against the switching frequency of the target circuit to ensure adequate performance without excessive switching losses.

Single Diodes Part Context

This part belongs to the HER301G through HER308G series of high-efficiency rectifiers from Taiwan Semiconductor. The series covers voltage ratings from 50V to 1000V while maintaining a consistent 3A forward current capacity. The HER301G specifically denotes the 50V variant within this lineup, sharing common mechanical and thermal characteristics with its higher-voltage counterparts.

Single Diodes Replacement Considerations

Direct substitutes include other manufacturers' HER301 variants such as Micro Commercial Components HER301G-TP or Formosa MS HER301-H. Verify that replacement parts match the DO-201AD package outline and maintain equivalent electrical ratings for forward current, reverse voltage, and surge capability.