AS1PGHM3/85A

Overview

The AS1PGHM3/85A is a single avalanche rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage (Vr) of 400 V and an average forward rectified current (Io) of 1.5 A. The device utilizes the eSMP® series technology and is housed in a DO-220AA (SMP) surface-mount package. It holds AEC-Q101 qualification for automotive applications and operates within a junction temperature range of -55°C to 175°C.

Feature Summary

• Engineered with avalanche ruggedness characteristics for enhanced reliability under transient conditions.
• Qualified for automotive electronics systems according to AEC-Q101 standards.
• Designed for high-temperature operation suitable for demanding industrial environments.

Applications

• Automotive power supply circuits
• Industrial rectification systems
• High-voltage protection stages

Procurement Notes

Verify the specific suffix /85A against the official datasheet to confirm packaging configuration. Ensure the component meets AEC-Q101 requirements if used in automotive designs. Cross-reference the DO-220AA(SMP) footprint dimensions during PCB layout. Confirm lead-free status and RoHS compliance through the manufacturer's documentation before integration.

Selection Notes

Select this component when a surface-mount avalanche-rated diode is required for 400 V applications. The 1.5 A current rating suits moderate power levels. The DO-220AA package offers compact mounting. Consider thermal management capabilities given the 175°C junction limit. Verify that avalanche energy ratings meet specific circuit stress profiles.

Part Context

This part belongs to Vishay's eSMP® series of surface-mount rectifiers. It shares the DO-220AA physical footprint with other variants like SE15PGHM3/85A but differs in electrical specifications, specifically offering 400 V blocking capability compared to other series members. It represents a specialized solution for avalanche-tolerant applications.

Replacement Considerations

Direct substitutes include SE15PGHM3/85A or AS1P2HM3/85A from the same manufacturer family, provided voltage and current ratings align with the design requirements. Verify pinout compatibility and thermal characteristics before substitution.