1N5619US

Overview

The Microchip Technology 1N5619US is a single-element fast recovery rectifier diode designed for surface-mount applications. It features a silicon construction housed in the A-Package-2 (SQ SMT) form factor. The device supports a maximum repetitive peak reverse voltage of 600 V and an average forward rectified current of 1 A. Key electrical characteristics include a maximum forward voltage drop of 800 mV, a reverse leakage current of 500 nA, and a typical reverse recovery time of 250 ns. It withstands a maximum surge current of 25 A and operates within a temperature range of -65 °C to +175 °C.

Feature Summary

• Fast recovery performance with a 250 ns reverse recovery time suitable for high-frequency switching applications.
• High thermal stability allowing operation up to a maximum junction temperature of 175 °C.
• Robust surge handling capability with a 25 A non-repetitive peak forward surge current rating.

Applications

• High-frequency power supply rectification
• Free-wheeling diodes in DC-DC converters
• Snubber circuits in switching mode power supplies

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm package type and tape-and-reel specifications. Ensure that the ordered variant matches the required surface-mount footprint and compliance standards. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Selection Notes

Select this component when a surface-mount fast recovery rectifier is required for 600 V blocking voltage applications. Compare the 250 ns recovery time against circuit switching frequencies to ensure minimal reverse recovery losses. Evaluate the 1 A current rating against peak load requirements and verify compatibility with the target PCB land pattern for the A-Package-2 housing.

Part Context

This component belongs to the Microchip 1N56xx series of fast recovery rectifiers. It shares functional similarities with through-hole variants like the 1N5619 but utilizes a surface-mount package for automated assembly. The series provides standardized electrical ratings for general-purpose high-speed rectification in commercial and industrial electronics.

Replacement Considerations

Direct substitutes include other manufacturers' 1N5619 equivalents meeting identical 600 V/1 A fast recovery specifications. Verify pinout compatibility and thermal resistance values when replacing with alternative brands. Ensure any substitute maintains the same or superior reverse recovery time and operating temperature range.