1N2823A

Overview

The 1N2823A is a single silicon Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 30V with a 10% tolerance and a maximum power dissipation of 50W. The device utilizes a TO-204AD (TO-3) package, which is a three-terminal configuration including two leads and a tab for mounting. This component is designed for high-power voltage regulation applications requiring robust thermal performance.

Feature Summary

• High power dissipation capability of 50 watts for demanding regulation tasks
• Stud-mounted TO-204AD package facilitates efficient heat sinking
• Precision 30V Zener voltage with standard manufacturing tolerances

Applications

• Industrial voltage regulation systems
• Military-grade electronic circuit protection
• High-power reference voltage generation

Procurement Notes

Verify the manufacturer designation as Microchip Technology or its predecessor entities like Microsemi when sourcing this component. Confirm the package type is strictly TO-204AD to ensure mechanical compatibility. Check for RoHS compliance status if required by specific project regulations. Ensure the part number suffix matches the exact voltage tolerance specifications needed for the design.

Selection Notes

Select this component when a 30V regulation point is required with significant power handling capabilities. The TO-3 package necessitates appropriate heatsinking infrastructure due to the 50W rating. Consider the physical size constraints of the TO-204AD footprint during PCB or chassis layout planning. Verify that the operating temperature range aligns with the environmental conditions of the intended deployment scenario.

Part Context

This device belongs to the family of high-power silicon Zener diodes originally established by Microsemi Corporation. The 1N2823 series is characterized by its ability to maintain stable voltage under high current loads. These components are widely recognized in legacy industrial designs and continue to be supported through Microchip's portfolio for replacement and new builds requiring rugged voltage references.

Replacement Considerations

Cross-reference with other manufacturers offering equivalent 30V 50W Zener diodes in TO-3 packages. Verify pinout compatibility and thermal resistance values before substitution. Ensure that any alternative part meets the same military or industrial grade standards if applicable.