1N4045R

Single Diodes Overview

The Powerex Inc. 1N4045R is a general-purpose silicon power rectifier diode designed for high-current applications. It features a maximum average forward rectified current of 275A and a repetitive peak reverse voltage of 100V. The device utilizes a chassis or stud mount configuration within the DO-205AB (DO-9) package, ensuring robust mechanical stability for industrial environments.

Single Diodes Feature Summary

• High current handling capability suitable for demanding power conversion tasks
• Robust stud mount construction for effective thermal management
• General-purpose silicon rectification design

Single Diodes Applications

• Welders
• Power supplies
• Motor controls
• Battery chargers
• General industrial current rectification

Single Diodes Procurement Notes

Verify the manufacturer origin, as the 1N4045R designation has been produced by multiple entities including International Rectifier, Microsemi, and Solid State Inc. Confirm that the specific unit matches the Powerex Inc. specifications regarding the DO-205AB package and mounting style. Request official datasheets to validate electrical ratings before integration into critical systems.

Single Diodes Selection Notes

Select this component when high surge current capacity and low forward voltage drop are required in heavy-duty rectification circuits. Ensure the cooling solution supports the thermal dissipation needs of a 275A continuous current device. Verify that the system voltage does not exceed the 100V peak reverse rating under all operating conditions.

Single Diodes Part Context

This part belongs to the standard 1N40xx series of silicon power rectifiers, widely used in industrial electronics. While many manufacturers produce variants, the Powerex Inc. version specifically targets high-amperage chassis-mounted applications requiring reliable performance in harsh electrical environments.

Single Diodes Replacement Considerations

Cross-reference with other 1N4045 equivalents from different manufacturers only if pinout, package dimensions, and electrical parameters match exactly. Verify thermal resistance characteristics to ensure adequate heat sinking compatibility.