1N2816A

Overview

The 1N2816A is a silicon Zener diode manufactured by Microchip Technology, designed for through-hole mounting in the TO-204AD (TO-3) package. It features a nominal Zener voltage of 18 V with a tolerance of ±10%. The device supports a maximum power dissipation of 50 W and exhibits a maximum Zener impedance of 2 Ohms. Reverse leakage current is specified at 10 µA when tested at 13.7 V.

Feature Summary

• Provides stable voltage regulation capabilities for electronic circuits
• Offers overvoltage protection functionality
• Serves as a precise voltage reference source

Applications

• Voltage regulation in power supply systems
• Overvoltage protection circuits
• Voltage reference applications

Procurement Notes

Verify the manufacturer designation on the component body to confirm Microchip Technology origin. Ensure the package matches the TO-204AD specification. Cross-reference datasheet parameters against your specific circuit requirements before procurement.

Selection Notes

Select this component when a 50 W power rating and 18 V regulation point are required. The TO-3 package necessitates appropriate thermal management solutions. Verify that the ±10% tolerance aligns with the precision needs of the target application design.

Part Context

This part belongs to the family of high-power silicon Zener diodes produced by Microchip Technology. These components are engineered for robust performance in industrial and commercial environments requiring significant power handling capabilities within a standard through-hole form factor.

Replacement Considerations

Public confirmed substitute part numbers include JAN1N2804B.