SSUR70120

Single Diodes Overview

The SSUR70120 is a single-phase silicon rectifier diode manufactured by Microsemi Corporation. It features a reverse voltage rating of 1200V and a forward current capacity of 70A. The component utilizes a DO-203AB (DO-5) stud mount package configuration. It is classified as a fast recovery rectifier with ultra-fast soft recovery characteristics, designed for high-power applications requiring efficient switching performance.

Single Diodes Feature Summary

• Ultra-fast soft recovery characteristic for reduced switching losses
• High thermal stability via stud mount construction
• Single element configuration for standard bridge or freewheeling circuits

Single Diodes Applications

• Industrial power conversion systems
• High-frequency inverter circuits
• DC-DC converter output stages

Single Diodes Procurement Notes

Verify the specific suffix code on the datasheet to confirm exact pinout and mounting torque specifications. Ensure the procurement channel provides original manufacturer documentation to validate the component's authenticity and traceability. Cross-reference the lot date code against current production status to avoid obsolete stock issues during long-term deployment.

Single Diodes Selection Notes

Select this component when designing circuits requiring high surge current handling and low reverse leakage at elevated temperatures. The stud mount package facilitates direct heatsinking for improved thermal dissipation compared to leaded alternatives. Evaluate the reverse recovery time requirements against the switching frequency of the target application to ensure optimal efficiency.

Single Diodes Part Context

This device belongs to Microsemi's discrete power diode portfolio, specifically engineered for robust industrial and automotive environments. The SSUR series represents a line of high-current rectifiers designed to replace older legacy components while offering improved soft recovery profiles. It supports Microchip's broader strategy of providing reliable power management solutions for critical infrastructure.

Single Diodes Replacement Considerations

Consult official Microsemi substitution guides for equivalent part numbers with matching electrical ratings. Verify that any alternative device maintains the same DO-203AB mechanical footprint and thermal resistance characteristics to ensure compatibility with existing heatsink designs without modification.