1N4507

Overview

The Microchip Technology 1N4507 is a silicon power rectifier diode designed for high-current applications. It features a single-element configuration housed in a DO-203AA (DO-4) stud mount package. Key electrical specifications include a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current rating of 22 A. The device supports a maximum non-repetitive surge current of 220 A. It operates within a junction temperature range of -65 °C to +175 °C, ensuring reliability in demanding power conversion environments.

Feature Summary

• High current handling capability with a 22 A average forward rectified current rating
• Robust surge withstand capacity supporting 220 A non-repetitive peak forward surge current
• Stud mount construction facilitating efficient thermal management and secure mechanical attachment
• Wide operating temperature range suitable for harsh industrial and automotive conditions

Applications

• Industrial power supply rectification circuits
• Automotive battery charging systems
• DC motor drive inverters
• Welding equipment power stages

Procurement Notes

Verify the specific suffix code on the component marking to confirm exact electrical tolerances and packaging variations, as these details are defined in the official datasheet. Confirm that the procurement channel provides traceability documentation required for industrial or automotive qualification standards. Ensure the supplier can provide genuine Microchip Technology products to avoid counterfeit risks associated with high-power discrete semiconductors.

Selection Notes

Select this component when designing circuits requiring robust power rectification with currents exceeding standard through-hole diode capabilities. The stud mount package necessitates compatible heatsinking infrastructure and insulated mounting hardware. Evaluate the thermal resistance characteristics against the expected ambient temperature and duty cycle to ensure the junction temperature remains within the specified 175 °C limit during continuous operation.

Part Context

The 1N4507 belongs to the legacy 1N4xxx series of silicon power rectifiers, originally standardized by JEDEC. Microchip Technology continues production of this part number, maintaining compatibility with original specifications. The DO-203AA package is a standard industry form factor for high-power diodes, allowing direct replacement in existing designs without PCB layout modifications.

Replacement Considerations

Direct replacements must match the 400 V reverse voltage, 22 A forward current, and DO-203AA stud mount package. Verify that substitute components meet the same thermal resistance and surge current ratings to maintain system reliability.