1N4529R

Overview

The 1N4529R is a silicon rectifier diode manufactured by Microchip Technology. It features a maximum average forward rectified current of 40 A and a repetitive peak reverse voltage of 1000 V. The device utilizes a DO-203AB (DO-5) stud mount package, designed for high-power applications requiring robust thermal management and reliable performance in standard rectification circuits.

Feature Summary

• High current handling capability for power rectification
• High voltage blocking capacity for demanding environments
• Stud mount construction for efficient heat dissipation

Applications

• Industrial power supplies
• Battery charging systems
• Welding equipment

Procurement Notes

Verify the manufacturer designation as Microchip Technology or its predecessor entities like Microsemi to ensure component authenticity. Confirm the DO-203AB package style and stud mounting requirements match the mechanical design. Request the official datasheet to validate electrical ratings against specific circuit demands before integration.

Selection Notes

Select this component when a single-phase rectifier requires 40 A continuous current and 1000 V reverse voltage support. Ensure the cooling solution accommodates the thermal characteristics of the stud mount package. Compare leakage current specifications if operating at elevated temperatures to maintain efficiency.

Part Context

This part belongs to the standard silicon rectifier diode category. It serves as a fundamental component in converting alternating current to direct current within power electronics. The numbering convention aligns with historical industry standards for general-purpose rectifiers.

Replacement Considerations

Check for equivalents from other manufacturers offering identical 40 A and 1000 V ratings in a DO-203AB package. Verify pinout compatibility and thermal resistance values to ensure seamless substitution without redesigning the heatsink interface.