1N4906

Overview

The 1N4906 is a Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 12.8 V with a tolerance of ±5%. The device has a maximum power dissipation of 400 mW and a maximum impedance of 100 Ohms. It operates within a temperature range of -25°C to 100°C and utilizes a DO-7 axial through-hole package.

Feature Summary

• Provides stable voltage regulation at a nominal 12.8 V level
• Suitable for general-purpose voltage reference circuits
• Constructed in a standard axial leaded package for through-hole mounting

Applications

• Voltage regulation in electronic circuits
• Voltage reference applications
• Protection against overvoltage conditions

Procurement Notes

Verify the specific manufacturer lot and date code upon receipt to ensure component authenticity and traceability. Confirm that the received parts match the specified 12.8 V Zener voltage and 400 mW power rating. Check for physical damage to the DO-7 package leads before integration into the assembly process.

Selection Notes

Select this component when a precise 12.8 V reference is required in a through-hole design. Ensure the circuit environment stays within the -25°C to 100°C operating range. Verify that the expected current draw does not exceed the 400 mW power dissipation limit under all operating conditions.

Part Context

This part belongs to the standard Zener diode family produced by Microchip Technology. It serves as a fundamental discrete semiconductor component for maintaining steady voltage levels in analog and digital systems. The DO-7 package offers a compact form factor suitable for various printed circuit board layouts.