1N2442

Single Diodes Overview

The Microchip Technology 1N2442 is a silicon power rectifier diode designed for high-voltage applications. It features a glass passivated die and glass-to-metal seal construction, ensuring robust performance in demanding environments. The device supports a repetitive peak reverse voltage (VRRM) of up to 1400V. It offers a surge current rating of 1600 Amps, making it suitable for circuits requiring high transient current handling capabilities.

Single Diodes Feature Summary

• Glass passivated die construction for enhanced reliability
• Glass-to-metal seal design providing environmental protection
• High surge current rating capability

Single Diodes Applications

• Power supply rectification
• High-voltage DC conversion circuits
• Industrial power electronics

Single Diodes Procurement Notes

Verify the manufacturer origin carefully, as the 1N2442 part number has been associated with multiple vendors including Microsemi Corporation and Solid State Inc. Ensure the specific datasheet matches the required electrical specifications, particularly the 1400V VRRM and 1600A surge rating. Confirm package type and pinout compatibility before integration into existing designs.

Single Diodes Selection Notes

Select this component when high reverse voltage blocking and significant surge current tolerance are required. The glass-to-metal seal construction makes it preferable over plastic-encapsulated alternatives in harsh thermal or mechanical conditions. Evaluate the forward voltage drop and thermal resistance against the specific heat dissipation requirements of the target application circuit.

Single Diodes Part Context

The 1N2442 belongs to the standard silicon power rectifier family. Historically produced by Microsemi Corporation, which was acquired by Microchip Technology, these devices are widely used in industrial and commercial power conversion systems. The part number follows the JEDEC standard designation for general-purpose rectifiers.

Single Diodes Replacement Considerations

Check for direct equivalents from other manufacturers offering identical 1400V ratings and axial lead packages. Verify that any substitute maintains the same glass passivation and seal construction if environmental ruggedness is critical.