1N1188A

Single Diodes Overview

The Microchip Technology 1N1188A is a silicon rectifier diode designed for high-power applications. It features a maximum average forward rectified current of 40 A and a peak repetitive reverse voltage of 400 V. The device utilizes a DO-203AB (DO-5) leaded package with stud mounting capabilities. Electrical characteristics include a maximum DC reverse leakage current of 10 µA at 400 V and a typical forward voltage drop of 1.19 V at 90 A. It operates within a junction temperature range of -65°C to +200°C and belongs to the standard recovery speed category.

Single Diodes Feature Summary

• High current handling capability suitable for power conversion circuits
• Robust thermal performance with extended junction temperature range
• Stud mount construction for secure mechanical attachment

Single Diodes Applications

• Industrial power supplies
• Battery charging systems
• Welding equipment rectifiers

Single Diodes Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors or certified partners. Confirm that the received parts match the specified DO-203AB package and electrical ratings. Check manufacturing dates against relevant quality standards. Ensure proper handling procedures are followed due to the stud-mount configuration. Validate datasheet revisions before final integration into designs.

Single Diodes Selection Notes

Select this component when designing circuits requiring robust 40 A rectification at 400 V reverse voltage. Consider the stud-mount package for efficient heat dissipation in high-power environments. Evaluate thermal management requirements given the wide operating temperature range. Compare alternative packages if board space constraints exist, though this model is optimized for chassis mounting.

Single Diodes Part Context

This part belongs to the general-purpose silicon rectifier diode family manufactured by Microchip Technology. It is commonly used in industrial and commercial power electronics where reliability under high stress conditions is critical. The DO-203AB package provides a standardized footprint for legacy and modern power supply designs.

Single Diodes Replacement Considerations

Consult official Microchip documentation for direct cross-reference equivalents. Verify pinout compatibility and thermal resistance values when substituting similar stud-mount diodes from other manufacturers.