1N4781A

Single Zener Diodes Overview

The 1N4781A is a silicon Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features an 8.5 V nominal Zener voltage with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and a maximum Zener impedance of 100 Ohms. It operates within a temperature range of -55°C to +100°C and utilizes a DO-35 axial through-hole package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at 8.5 V
• Hermetically sealed glass axial construction
• Suitable for general-purpose voltage reference circuits

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Voltage reference sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the manufacturer part number against official Microchip documentation to ensure authenticity. Confirm that the component meets specific environmental or quality standards required for the intended application before procurement.

Single Zener Diodes Selection Notes

Select this component when an 8.5 V Zener voltage is required with a 500 mW power rating. Ensure the circuit design accommodates the specified ±5% tolerance and operating temperature range of -55°C to +100°C for reliable performance.

Single Zener Diodes Part Context

This component belongs to the standard Zener diode family produced by Microchip Technology. It is commonly used in discrete semiconductor applications requiring precise voltage clamping or regulation within low-power constraints.