1N249C

Single Diodes Overview

The 1N249C is a standard silicon power rectifier diode manufactured by Microchip Technology. It features a maximum average forward rectified current of 20A and a maximum repetitive peak reverse voltage of 100V. The device exhibits a maximum forward voltage drop of 1.19V at a forward current of 90A. It utilizes a DO-5 (DO-203AB) stud mount package, designed for robust high-power applications requiring reliable unidirectional current flow.

Single Diodes Feature Summary

• Standard recovery characteristics suitable for general-purpose rectification
• High thermal stability via metal stud mounting configuration
• Robust construction for industrial power conversion environments

Single Diodes Applications

• Industrial power supply rectification
• DC power distribution systems
• General purpose high-current rectifying circuits

Single Diodes Procurement Notes

Verify the specific manufacturer source, as this component family has historical production across multiple entities including Microsemi and Powerex. Confirm the package type matches the required mechanical footprint, as DO-5 variants exist. Ensure the datasheet aligns with the intended electrical requirements before finalizing procurement to avoid compatibility issues with legacy designs.

Single Diodes Selection Notes

Select this component when a 100V reverse voltage rating and 20A continuous current capacity are required in a stud-mount form factor. Consider the 1.19V forward voltage drop for thermal management calculations. Evaluate alternative voltage ratings within the 1N249 series if system voltages differ from 100V while maintaining similar current handling capabilities.

Single Diodes Part Context

This part belongs to the 1N249 series of silicon power rectifiers, which offers various voltage ratings ranging from 50V to 1000V while maintaining consistent current handling. The series is characterized by its rugged DO-5 stud mount package, making it suitable for heavy-duty applications where space constraints allow for through-hole or chassis-mounted installations rather than surface-mount technologies.

Single Diodes Replacement Considerations

Direct substitutes include other 1N249 series variants with identical current ratings but different voltage specifications, such as 1N249B (50V) or 1N249D (200V), provided the circuit voltage allows. Cross-brand equivalents from manufacturers like Vishay or Littelfuse may also be considered if pinout and thermal characteristics match.