1N1347A

Single Diodes Overview

The Microchip Technology 1N1347A is a standard recovery rectifier diode designed for through-hole mounting in the DO-4 (DO-203AA) package. It features a maximum DC reverse voltage of 500 V and an average forward current rating of 16 A. The device exhibits a maximum forward voltage of 1.3 V at 30 A and a maximum reverse leakage current of 10 µA at 500 V. Operating temperatures range from -65°C to +200°C junction temperature.

Single Diodes Feature Summary

• High current handling capability with a 16 A average forward current rating
• Extended thermal performance supporting junction temperatures up to 200°C
• Standard recovery speed suitable for general-purpose rectification applications

Single Diodes Applications

• Industrial power supply rectification
• High-current DC power distribution systems
• Heavy-duty automotive electrical circuits

Single Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package dimensions match DO-4 standards. Ensure ordering suffixes align with specific lead time requirements. Validate RoHS status as this variant may not comply with current environmental directives. Cross-reference part numbers with authorized distributor catalogs to prevent counterfeit procurement.

Single Diodes Selection Notes

Select this component when high surge current capacity and robust thermal stability are required. The 500 V reverse voltage rating suits medium-voltage AC-to-DC conversion tasks. Consider the DO-4 package size for mechanical constraints in large enclosures. Evaluate thermal management needs given the 200°C junction limit. Compare forward voltage drop characteristics against alternative silicon rectifiers for efficiency optimization.

Single Diodes Part Context

This device belongs to the legacy 1N series rectifier family, widely utilized in industrial and military-grade electronics. The 1N1347A specifically addresses applications demanding reliable high-current switching under extreme thermal conditions. Its design supports long-term durability in harsh environments where standard commercial components might fail due to heat or voltage stress.

Single Diodes Replacement Considerations

Consult official Microchip documentation for direct cross-references. Verify pinout compatibility and thermal resistance values before substituting. Ensure replacement parts meet the same 16 A current and 500 V voltage ratings.