1N3266R

Single Diodes Overview

The Microchip Technology 1N3266R is a standard recovery rectifier diode designed for high-current applications. It features a maximum DC reverse voltage (Vr) of 350 V and an average forward rectified current (Io) of 275 A. The device exhibits a forward voltage (Vf) of 1.3 V at 300 A and a reverse leakage current of 75 µA at 350 V. It operates within a junction temperature range of -65°C to 190°C and utilizes a DO-205AB (DO-9) stud mount package.

Single Diodes Feature Summary

• High current handling capability with 275 A average forward rectified current rating
• Robust thermal performance supporting junction temperatures up to 190°C
• Standard recovery characteristics suitable for general-purpose rectification
• Stud mount construction for efficient heat dissipation in industrial environments

Single Diodes Applications

• Industrial power supply systems requiring high current rectification
• Welding equipment power stages
• Motor drive inverters and converters
• Heavy-duty battery charging circuits

Single Diodes Procurement Notes

Verify the specific suffix 'R' against the manufacturer's official datasheet to confirm it denotes the correct packaging or variant, as suffixes can indicate differences in tape-and-reel specifications or environmental compliance status. Ensure the procurement channel provides valid traceability documentation for aerospace or defense-grade requirements if applicable, as this component may serve critical infrastructure roles.

Single Diodes Selection Notes

Select the 1N3266R when the application demands a 350 V blocking voltage combined with a 275 A continuous current capacity. The DO-205AB stud mount package necessitates compatible mounting hardware and thermal interface materials. Verify that the system's cooling solution can maintain the junction temperature below 190°C under peak load conditions to ensure long-term reliability.

Single Diodes Part Context

This component belongs to the 1N3266 series of high-power silicon rectifiers manufactured by Microchip Technology. These devices are engineered for rugged operation in demanding electrical environments. The series typically includes variants with different voltage ratings but shares similar current handling and package technologies, establishing a baseline for industrial-grade power conversion components.

Single Diodes Replacement Considerations

Cross-reference with other 1N3266 series variants from Microchip or equivalent high-current stud-mount rectifiers from other manufacturers. Ensure substitute parts match the 350 V Vr, 275 A Io, and DO-205AB mechanical dimensions. Verify that the replacement's reverse leakage and forward voltage characteristics fall within acceptable limits for the specific circuit design.