1N1346R

Single Diodes Overview

The Microchip Technology 1N1346R is a standard rectifier diode designed for high-current applications. It features a 400V reverse voltage rating and supports a continuous forward current of 16A. The device utilizes a stud mount configuration within the DO-4 (DO-203AA) package, facilitating robust thermal management and secure mechanical attachment to heat sinks. Key electrical characteristics include a maximum forward voltage drop of 1.3V at rated current and a low leakage current of 10µA.

Single Diodes Feature Summary

• High current handling capability with a 16A continuous forward current rating
• Robust mechanical construction using a stud mount design for efficient heat dissipation
• Standard rectifying performance with a 400V repetitive peak reverse voltage

Single Diodes Applications

• Industrial power supply rectification
• Motor drive circuits
• Welding equipment power stages

Single Diodes Procurement Notes

Verify the specific manufacturer source, as this part number appears in listings from multiple entities including Microchip Technology and aftermarket suppliers like IR. Confirm that the component matches the required DO-4 stud mount specification and electrical ratings before integration into designs.

Single Diodes Selection Notes

Select this component when a rugged, stud-mountable diode is required for medium-voltage, high-current rectification. Ensure the application environment accommodates the physical dimensions of the DO-4 package and provides adequate cooling for the 16A load.

Single Diodes Part Context

This component belongs to the family of standard silicon rectifier diodes. It is commonly referenced in industrial control and power conversion schematics where reliable, high-amperage DC output is necessary. The 'R' suffix typically denotes a specific packaging or tape-and-reel variant depending on the distributor.

Single Diodes Replacement Considerations

Check datasheets for equivalent parts offering identical 400V/16A ratings and DO-4 stud mounting. Verify pinout compatibility and thermal resistance values to ensure direct substitution without circuit modification.