1N3272

Single Diodes Overview

The Microchip Technology 1N3272 is a standard recovery rectifier diode designed for high-current applications. It features a maximum DC reverse voltage of 900 V and an average rectified current of 275 A. The device utilizes a DO-205AB (DO-9) stud mount package, ensuring robust mechanical stability. Key electrical characteristics include a forward voltage of 1.3 V at 300 A and a maximum reverse leakage current of 75 µA at 900 V. It operates within a junction temperature range of -65°C to 190°C.

Single Diodes Feature Summary

• High current handling capability with 275 A average rectified current rating
• Robust stud mount construction in DO-205AB package for secure installation
• Standard recovery speed suitable for general power conversion tasks
• Wide operating junction temperature range up to 190°C

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 designation, such as R or RMS, when ordering, as these indicate distinct packaging formats like reel or bulk. Confirm RoHS compliance status prior to procurement, as this specific component variant may not meet current environmental directives. Ensure the mounting hardware matches the DO-205AB stud specifications for proper thermal and mechanical interface.

Single Diodes Selection Notes

Select this component for applications demanding high surge current capacity and reliable performance under heavy load conditions. The DO-205AB package facilitates efficient heat dissipation through direct chassis mounting. Evaluate the thermal management requirements carefully, as the high forward current generates significant heat. Ensure the circuit design accommodates the standard recovery time characteristics for the intended switching frequency.

Single Diodes Part Context

The 1N3272 belongs to the legacy 1N32xx series of high-power rectifiers manufactured by Microchip Technology. This series is widely recognized in industrial electronics for its durability and high current ratings. The component serves as a critical element in converting AC to DC in high-power scenarios where standard surface-mount devices are insufficient.

Single Diodes Replacement Considerations

Cross-reference with other manufacturers offering equivalent DO-205AB stud-mounted rectifiers with 900 V and 275 A ratings. Verify that any substitute part matches the forward voltage drop and reverse leakage specifications to maintain system efficiency and safety margins.