AR1PM-M3/85A

Overview

The AR1PM-M3/85A is a standard recovery rectifier diode from Vishay's eSMP series, housed in the DO-220AA (SMP) surface-mount package. It features a maximum repetitive peak reverse voltage of 1000V and an average forward rectified current rating of 1A. Key electrical parameters include a maximum reverse leakage current of 1µA at 1000V, a typical forward voltage drop of 1.6V, and a reverse recovery time of 120ns. The device operates within a junction temperature range of -55°C to +175°C and is moisture sensitivity level 1.

Feature Summary

• High-voltage capability with 1000V reverse voltage rating for robust circuit protection
• Compact surface-mount DO-220AA package design suitable for automated assembly
• Low reverse leakage current ensuring minimal power loss in high-impedance states
• Fast standard recovery characteristics optimized for efficient switching applications

Applications

• General-purpose rectification in AC/DC power supplies
• Freewheeling diodes in DC/DC converter circuits
• Reverse polarity protection in electronic systems
• Snubber circuits in inductive load management

Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with RoHS directives if environmental compliance is required. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Selection Notes

Select this component when a 1000V blocking voltage and 1A continuous current are required in a compact SMT footprint. Consider the 120ns reverse recovery time for switching frequency limitations. Evaluate thermal management requirements based on the DO-220AA package's thermal resistance characteristics under expected operating loads.

Part Context

This device belongs to Vishay's eSMP series of glass-passivated surface-mount rectifiers. The series offers high reliability and consistent performance across various industrial and consumer electronics applications. The DO-220AA package provides a balance between current handling capacity and board space efficiency.

Replacement Considerations

Consult official Vishay substitution guides for verified equivalents. Generic replacements may differ in reverse recovery time or leakage current specifications. Verify pinout compatibility and thermal performance metrics before integrating alternative components into existing designs.