1N5550E3

Overview

The Microchip Technology 1N5550E3 is a standard recovery rectifier diode designed for general-purpose applications. It features a 200 V reverse voltage rating and supports a continuous forward current of 3 A. The device utilizes an axial leaded B-package configuration suitable for through-hole mounting. Key electrical characteristics include a maximum forward voltage of 1.2 V, a peak repetitive reverse voltage of 200 V, and a maximum non-repetitive surge current of 100 A. The component operates within a temperature range of -65 °C to +175 °C junction temperature, with a typical reverse recovery time of 2 µs.

Feature Summary

• Hermetically sealed glass-encapsulated construction for environmental protection
• Standard recovery speed optimized for general-purpose rectification
• High thermal stability supporting extended operating temperatures

Applications

• General-purpose rectification in power supplies
• DC-to-AC conversion circuits
• Protection against reverse polarity in electronic systems

Procurement Notes

Verify the specific suffix 'E3' confirms RoHS compliance and tin-lead free termination plating as per manufacturer specifications. Confirm the package designation 'B-Axial' matches the required footprint for PCB layout. Ensure the ordering part number aligns with the hermetically sealed variant if environmental sealing is critical for the application environment.

Selection Notes

Select this component when a robust, hermetically sealed standard recovery diode is required for through-hole assembly. The 200 V rating provides sufficient margin for low-voltage AC rectification tasks. Consider the 3 A continuous current capability against the expected load requirements. The axial form factor simplifies manual insertion and automated placement on standard PCBs compared to surface-mount alternatives.

Part Context

This component belongs to the legacy 1N series of silicon rectifier diodes, originally standardized by JEDEC. Microchip Technology continues production of these parts, often acquired through mergers involving former manufacturers like National Semiconductor or Fairchild. The E3 suffix typically denotes environmental compliance updates while maintaining the original electrical performance profile of the classic 1N5550 specification.

Replacement Considerations

Direct substitutes include the 1N5550 (non-E3 version) for identical electrical performance without RoHS constraints. Other compatible replacements may include equivalent 200V 3A axial rectifiers from other manufacturers, provided they meet the same hermetic sealing and recovery time requirements.