MURHB860CT

Overview

The MURHB860CT is a high-speed ultrafast recovery rectifier manufactured by onsemi. It features an 800V repetitive peak reverse voltage and a continuous forward current of 8A per leg in a common cathode configuration. The device utilizes Soft Recovery technology to minimize switching losses and electromagnetic interference during operation. It is housed in a robust D2PAK-3 surface-mount package designed for efficient thermal dissipation. Key electrical characteristics include a maximum average forward rectified current of 16A and a low forward voltage drop, ensuring high efficiency in power conversion applications.

Feature Summary

• Soft recovery characteristic reduces switching noise and electromagnetic interference
• High thermal performance enabled by the D2PAK surface-mount package design
• Ultrafast recovery time supports high-frequency switching operations
• Common cathode configuration simplifies circuit layout for bridge applications

Applications

• High-frequency DC/DC converters
• Free-wheeling diodes in PWM circuits
• Power factor correction circuits
• Isolated output rectification in switch-mode power supplies

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the component matches the required voltage and current ratings for your specific circuit design. Check for authenticity through authorized distribution channels to avoid counterfeit parts. Ensure proper handling procedures are followed due to the sensitivity of semiconductor devices to electrostatic discharge.

Selection Notes

Select this component when high-speed switching and low reverse recovery charge are critical for system efficiency. The common cathode arrangement is suitable for half-bridge or full-bridge topologies requiring fast recovery characteristics. Consider the thermal resistance of the D2PAK package when designing heat sinking solutions. Ensure the operating junction temperature remains within specified limits under maximum load conditions to maintain reliability.

Part Context

This component belongs to onsemi's MURHB series of ultrafast recovery rectifiers. The series is engineered for applications demanding rapid switching speeds and minimal reverse recovery energy. The HB designation indicates enhanced soft recovery properties compared to standard ultrafast diodes. This family is widely used in modern power electronics where size constraints and efficiency are paramount.

Replacement Considerations

Consult official cross-reference guides for verified equivalent part numbers from onsemi or other manufacturers. Ensure any substitute maintains identical voltage ratings, current capabilities, and package dimensions. Verify that the replacement also offers comparable soft recovery characteristics to prevent potential electromagnetic interference issues in sensitive designs.