1N4463D

Single Zener Diodes Overview

The Microchip Technology 1N4463D is a through-hole Zener diode designed for voltage regulation applications. It features an 8.2V nominal Zener voltage with a tight tolerance of ±1%. The device handles a maximum power dissipation of 1.5W and exhibits a dynamic impedance of 3 Ohms at the test current. Reverse leakage current is specified at 500nA when biased at 4.92V. The component utilizes a DO-204AL (DO-41) axial leaded package, suitable for standard PCB mounting.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with ±1% tolerance
• Supports high power dissipation up to 1.5W
• Low dynamic impedance ensures stable output under varying loads

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Power supply regulation modules

Single Zener Diodes Procurement Notes

Verify the specific suffix and manufacturing date code against the latest Microchip datasheet to ensure compliance with RoHS directives and material declarations. Confirm that the DO-204AL package dimensions match the target PCB footprint requirements before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a stable 8.2V reference is required in high-power environments. The low leakage current and tight voltage tolerance make it suitable for sensitive analog circuits. Ensure the thermal management design accommodates the 1.5W power rating during continuous operation.

Single Zener Diodes Part Context

This part belongs to the 1N4463 series of Zener diodes manufactured by Microchip Technology. It serves as a robust discrete solution for voltage clamping and regulation tasks where through-hole mounting is preferred over surface-mount alternatives.

Single Zener Diodes Replacement Considerations

Compatible substitutes include the JANTXV1N4463DUS/TR for space-qualified variants or other industry-standard 1N4463 equivalents from different manufacturers, provided electrical parameters such as voltage tolerance and power rating remain identical.