1N2138A

Single Diodes Overview

The Microchip Technology 1N2138A is a standard recovery rectifier diode housed in the DO-5 (DO-203AB) axial leaded package. It features a maximum repetitive peak reverse voltage of 600 V and an average forward rectified current rating of 70 A. The device exhibits a maximum forward voltage drop of 1.25 V at 200 A and a maximum reverse leakage current of 25 µA at 600 V. Operating within a junction temperature range of -65°C to +200°C, it utilizes standard recovery technology with a reverse recovery time exceeding 500 ns.

Single Diodes Feature Summary

• High thermal stability supporting operation up to 200°C junction temperature
• Robust mechanical construction via stud mounting configuration
• Standard recovery characteristics suitable for general-purpose power conversion

Single Diodes Applications

• Industrial power supply rectification
• Battery charging systems
• DC-to-AC inversion circuits

Single Diodes Procurement Notes

Verify the specific manufacturer designation upon ordering, as the 1N2138A part number may be produced by multiple authorized manufacturers including Vishay or Microchip. Confirm that the received component matches the required electrical specifications and physical package dimensions. Ensure compliance with project-specific quality standards and environmental regulations before integration into final assemblies.

Single Diodes Selection Notes

Select this component when high current handling capability and elevated temperature operation are required. The 70 A rating supports substantial load currents, while the 600 V blocking voltage accommodates common industrial line voltages. Consider the DO-5 package constraints for board space and thermal management requirements compared to surface-mount alternatives.

Single Diodes Part Context

This component belongs to the legacy 1N series rectifier family, widely utilized in industrial and automotive applications. The 1N2138A variant specifically addresses high-power requirements where robustness and thermal endurance are critical. Its design aligns with established industry standards for through-hole power diodes used in heavy-duty electronic equipment.

Single Diodes Replacement Considerations

Direct substitutes include the 1N2138R from Microchip Technology, which shares identical electrical ratings and package type. Other compatible replacements may include equivalent 600V 70A standard recovery diodes from other manufacturers, provided they meet the same mechanical and thermal specifications.