1N4051

Single Diodes Overview

The Powerex Inc. 1N4051 is a general-purpose silicon rectifier diode designed for high-power applications. It features a maximum repetitive peak reverse voltage of 500 V and an average forward rectified current rating of 275 A. The device utilizes a stud mount configuration within the DO-205AB (DO-9) package, facilitating robust chassis mounting for industrial environments. It exhibits standard recovery characteristics with a reverse recovery time exceeding 500 ns. The component is RoHS compliant and maintains an active lifecycle status.

Single Diodes Feature Summary

• High current handling capability rated at 275 A average forward rectified current
• Robust mechanical construction utilizing a stud mount design for secure chassis installation
• Standard recovery performance suitable for general-purpose power rectification tasks

Single Diodes Applications

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

Single Diodes Procurement Notes

Verify the specific manufacturer source, as the 1N4051 designation appears associated with multiple entities including Powerex and International Rectifier. Confirm that the received unit matches the required DO-205AB package style and stud orientation. Ensure the datasheet provided aligns with the 275 A current rating and 500 V blocking voltage specifications before integration into high-power designs.

Single Diodes Selection Notes

Select this component when designing circuits requiring substantial continuous current capacity in a ruggedized form factor. The stud mount architecture simplifies thermal management by allowing direct attachment to heat sinks or chassis planes. Consider the standard recovery speed when evaluating switching losses in higher frequency contexts, as it is optimized for lower frequency power conversion rather than rapid switching applications.

Single Diodes Part Context

This diode belongs to the class of high-current silicon rectifiers used in heavy-duty electrical infrastructure. Similar devices in this category typically prioritize thermal stability and mechanical durability over fast switching speeds. The DO-205AB package is a legacy standard often found in older industrial equipment and modern retrofits requiring proven high-amperage components.

Single Diodes Replacement Considerations

Cross-reference with other manufacturers offering equivalent 275 A, 500 V stud-mount diodes. Verify pinout compatibility and thermal resistance values to ensure seamless substitution without modifying existing heatsink interfaces or circuit board layouts.