1N3272R

Single Diodes Overview

The Microchip Technology 1N3272R is a standard recovery rectifier diode designed for high-power applications. It features a maximum DC reverse voltage (Vr) of 900 V and an average forward rectified current (Io) of 275 A. The device utilizes a stud mount configuration within a DO-205AB (DO-9) package. Key electrical characteristics include a maximum forward voltage (Vf) of 1.3 V at 300 A and a reverse leakage current of 75 µA at 900 V. It operates with a standard recovery time exceeding 500 ns and supports a junction temperature range from -65°C to 190°C.

Single Diodes Feature Summary

• High current handling capability with 275 A average forward rectified current rating
• Robust voltage blocking performance up to 900 V DC reverse voltage
• Extended thermal operating range supporting junction temperatures up to 190°C
• Durable stud mount construction suitable for heavy-duty industrial environments

Single Diodes Applications

• Industrial power supply systems requiring high current rectification
• Welding equipment power stages
• Motor drive inverter circuits
• High-power DC-DC conversion modules

Single Diodes Procurement Notes

Verify the specific ordering suffix and packaging configuration against official Microchip documentation before procurement. Confirm RoHS compliance status, as this component may not meet current environmental directives. Ensure the supplier provides valid traceability documents and authentic manufacturer data sheets. Cross-reference the part number with the latest manufacturing change notices to confirm current production status and any potential form-fit-function variations.

Single Diodes Selection Notes

Select this component when designing circuits that demand high surge current capacity and robust thermal stability. The stud mount package facilitates efficient heat dissipation through direct mounting to heatsinks. Evaluate the forward voltage drop at expected load currents to manage power losses. Ensure the system's peak inverse voltage requirements remain below the 900 V rating with adequate safety margins for transient conditions.

Single Diodes Part Context

This component belongs to the 1N3272 series of standard recovery rectifiers manufactured by Microchip Technology. It is engineered for demanding power electronics applications where reliability under high stress is critical. The DO-205AB package provides a standardized mechanical interface for industrial mounting solutions. This series represents a legacy but widely used solution for high-current rectification tasks in established industrial designs.

Single Diodes Replacement Considerations

Consult official Microchip substitution guides for verified equivalents. Ensure any replacement matches the 275 A current rating, 900 V voltage rating, and DO-205AB stud mount package dimensions. Verify that the replacement device maintains compatible thermal characteristics and recovery time specifications.