1N2278

Single Diodes Overview

The 1N2278 is a silicon power rectifier manufactured by Microchip Technology, designed for general-purpose rectification in electronic circuits. It features a peak reverse voltage rating of 600V and utilizes the DO-5 axial leaded package. The component is RoHS compliant and suitable for applications requiring reliable DC-to-DC conversion or AC-to-DC rectification within standard industrial and consumer electronics environments.

Single Diodes Feature Summary

• High voltage blocking capability for robust reverse polarity protection
• Axial leaded construction for through-hole mounting compatibility
• Silicon junction technology ensuring stable thermal performance

Single Diodes Applications

• General purpose power supply rectification
• AC to DC conversion circuits
• Industrial control equipment power stages

Single Diodes Procurement Notes

Verify the specific manufacturer source, as historical production may involve multiple entities including Microsemi or Microchip. Confirm RoHS compliance status for current procurement batches. Ensure the DO-5 package dimensions match the target PCB layout requirements before ordering.

Single Diodes Selection Notes

Select this component when a 600V peak reverse voltage rating is required for through-hole rectification. Compare forward current capabilities against circuit load demands. Consider thermal management needs based on the expected operating temperature range and ambient conditions.

Single Diodes Part Context

Part of the 1N2xxx series of silicon power rectifiers. This series provides standardized voltage ratings for various power applications. The 1N2278 specifically addresses the 600V requirement within this lineage, offering a legacy solution for established designs.

Single Diodes Replacement Considerations

Check for direct equivalents from other manufacturers offering identical DO-5 packaging and 600V ratings. Verify electrical parameter alignment, particularly forward voltage drop and surge current handling, before substituting.