1N4045

Single Diodes Overview

The 1N4045 is a silicon power rectifier diode manufactured by Microchip Technology. It features a stud mount configuration in the DO-205AB (DO-9) package. The device is rated for a maximum repetitive peak reverse voltage of 100 V and supports an average forward rectified current of 275 A. It utilizes glass passivated die construction with a glass-to-metal seal, ensuring high surge current capability and soft recovery characteristics suitable for industrial power applications.

Single Diodes Feature Summary

• Glass to metal seal construction
• High surge current capability
• Soft recovery performance
• Glass passivated die

Single Diodes Applications

• Industrial power rectification
• High current DC power supplies
• Battery charging systems

Single Diodes Procurement Notes

Verify the manufacturer source, as this component was originally produced by Microsemi Corporation before its acquisition by Microchip Technology. Confirm the specific suffix codes if present, as they may indicate variations in packaging or testing standards. Ensure the datasheet matches the required voltage and current ratings for your specific circuit design to avoid compatibility issues.

Single Diodes Selection Notes

Select this component when a robust, high-current rectifier is required for low-voltage applications. The 100 V rating limits its use to specific low-side rectification tasks. Consider the stud mount requirement for thermal management and mechanical mounting. Evaluate the 275 A continuous current capacity against peak load demands to ensure adequate safety margins during operation.

Single Diodes Part Context

This part belongs to the family of high-power silicon rectifiers designed for heavy-duty industrial environments. It shares functional similarities with other stud-mount diodes but is distinguished by its specific 100 V breakdown voltage and 275 A current handling. The transition from Microsemi to Microchip Technology represents a consolidation of semiconductor assets rather than a change in the fundamental component specifications.

Single Diodes Replacement Considerations

Direct substitutes include other 100 V, 275 A stud-mount rectifiers from manufacturers such as International Rectifier. Verify pinout compatibility and thermal resistance values when cross-referencing with equivalent parts from different vendors to ensure seamless integration into existing designs.