1N6622

Overview

The Microchip Technology 1N6622 is a single ultrafast recovery rectifier diode designed for high-reliability applications. It features a maximum repetitive peak reverse voltage of 600 V and an average forward rectified current of 1.2 A. The device exhibits a fast reverse recovery time of 45 ns, ensuring efficient switching performance. It operates within a junction temperature range of -65°C to +150°C and maintains a low reverse leakage current of 500 nA at rated voltage. Packaged in an axial leaded configuration, it supports through-hole mounting.

Feature Summary

• Military qualified to MIL-PRF-19500/585 standards
• Ultrafast recovery characteristics for high-speed switching
• Hermetically sealed voidless construction
• Wide operating temperature range

Applications

• High-reliability power conversion systems
• Military aerospace electronics
• Fast recovery freewheeling circuits
• Snubber networks in high-voltage environments

Procurement Notes

Verify the specific manufacturer source, as the 1N6622 designation appears across multiple vendors including Microchip, Microsemi, and Digitron. Confirm that the delivered component matches the required military qualification standard (MIL-PRF-19500/585) if applicable. Ensure the package type corresponds to the intended PCB footprint, as variations exist between axial through-hole and surface mount versions. Request official datasheets from the specific supplier to confirm electrical tolerances and packaging details before integration.

Selection Notes

Select this component when ultrafast recovery speed is critical for minimizing switching losses in high-frequency circuits. The 600V rating suits medium-voltage applications requiring robust reverse blocking capabilities. Consider the 1.2A current limit for moderate power levels. Verify thermal management requirements given the wide temperature range capability. Ensure compatibility with existing assembly processes for axial or surface mount packages depending on the specific variant selected.

Part Context

This part belongs to the family of ultrafast recovery rectifiers, often associated with the 1N66xx series. These diodes are engineered for superior performance compared to standard recovery types, offering reduced reverse recovery charge. They serve as replacements for older silicon rectifier technologies in demanding electronic environments where reliability and speed are paramount.

Replacement Considerations

Direct substitutes include other military-grade ultrafast rectifiers meeting MIL-PRF-19500/585 specifications. Verify pinout compatibility and ensure equivalent reverse voltage and current ratings. Surface mount equivalents may require adapter considerations if transitioning from axial leads.