1N2254

Single Diodes Overview

The Microchip Technology 1N2254 is a silicon power rectifier diode housed in the DO-4 (DO-203AA) threaded stud mount package. It features a maximum repetitive peak reverse voltage of 1600V and an average forward rectified current rating of 22A at 75°C. The device exhibits a maximum forward voltage drop of 1.2V at 30A and supports a surge current rating of 250A. It utilizes glass passivation for die protection and employs glass-to-metal construction, ensuring robust performance in high-voltage industrial applications.

Single Diodes Feature Summary

• Glass passivated die construction for enhanced reliability
• Threaded stud mounting design for efficient thermal dissipation
• High surge current capability with 250A rating

Single Diodes Applications

• Industrial power supply units
• Motor drive systems
• Inverter circuits

Single Diodes Procurement Notes

Verify the specific manufacturer origin, as the 1N2254 designation has been produced by multiple entities including Microsemi and Microchip. Confirm that the received component matches the required DO-4 package dimensions and terminal configuration. Ensure the datasheet provided corresponds to the exact lot and revision to validate electrical parameters such as leakage current and forward voltage characteristics before integration into critical designs.

Single Diodes Selection Notes

Select this component when a high-voltage, high-current rectification solution with stud-mount thermal management is required. The 1600V rating suits medium-to-high voltage AC-DC conversion stages. Consider the physical mounting constraints of the DO-4 package and the need for appropriate insulating hardware during installation. Evaluate thermal resistance requirements based on the expected ambient temperature and cooling method to ensure the junction temperature remains within safe operating limits under full load conditions.

Single Diodes Part Context

The 1N2254 belongs to the standard recovery rectifier family, characterized by reverse recovery times exceeding 500ns. This category prioritizes high current handling and voltage blocking over switching speed. The DO-4 package is a legacy form factor designed for panel mounting, often found in older industrial equipment or specialized heavy-duty power electronics where mechanical stability and heat sinking are paramount.

Single Diodes Replacement Considerations

Direct substitutes must match the 1600V VRRM, 22A Io, and DO-4 package. Verify compatibility with existing mounting hardware. Cross-reference with other manufacturers' equivalents offering identical electrical ratings and pinout configurations to ensure seamless integration without circuit modification.