1N1187A

Single Diodes Overview

The Microchip Technology 1N1187A is a silicon power rectifier diode designed for high-current applications. It features a standard recovery characteristic with a maximum average forward current of 40 A and a peak repetitive reverse voltage rating of 300 V. The device utilizes a DO-203AB (DO-5) stud mount package, enabling efficient thermal dissipation for robust performance in demanding environments.

Single Diodes Feature Summary

• High current handling capability suitable for heavy-duty power conversion
• Standard recovery speed optimized for general-purpose rectification tasks
• Robust stud mount construction for secure mechanical attachment and heat sinking

Single Diodes Applications

• Industrial power supply units requiring high current rectification
• Battery charging systems for automotive or industrial equipment
• DC motor drive circuits and control panels

Single Diodes Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact electrical tolerances and packaging variations. Ensure compatibility with existing thermal management solutions due to the stud mount configuration. Confirm RoHS compliance status as historical data indicates potential non-compliance for certain variants. Validate that the 300V rating meets the circuit's peak inverse voltage requirements under all operating conditions.

Single Diodes Selection Notes

Select this component when a standard recovery diode with a 40 A continuous current rating is required. The DO-5 package necessitates appropriate mounting hardware and thermal interface materials. Consider the 300 V reverse voltage limit relative to the system's maximum transient voltages. This part is suitable for applications where fast recovery characteristics are not critical but high current capacity is essential.

Single Diodes Part Context

This component belongs to the Microchip 1N1187 series of silicon power rectifiers. These devices are engineered for reliability in harsh environments, offering consistent performance across wide temperature ranges. The series supports various current ratings, with the 1N1187A specifically providing a balance of high current and moderate voltage blocking capabilities for industrial use.

Single Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N1187A equivalents such as Vishay or Infineon parts. Verify that substitute components match the 40 A current, 300 V voltage, and DO-5 package dimensions. Ensure thermal resistance characteristics are comparable to maintain original cooling design integrity.