1N4772A/TR

Overview

The Microchip Technology 1N4772A/TR is a Zener diode with a nominal voltage of 30V and a tolerance of ±5%. It features a maximum power dissipation of 1W at 50°C, reducing to 0.67W at 100°C. The device operates within a junction temperature range of -65°C to +175°C and has a maximum reverse leakage current of 5µA at 25V. It utilizes an axial leaded DO-41 package.

Feature Summary

• Provides stable voltage regulation for low-power applications
• Capable of operating in high-temperature environments up to 175°C
• Offers reliable performance with specified thermal derating characteristics

Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Procurement Notes

Verify the specific suffix TR indicates tape and reel packaging when ordering. Confirm the manufacturer datasheet for exact electrical limits and mechanical dimensions before integration. Ensure compatibility with existing board space and thermal management requirements.

Selection Notes

Select this component for designs requiring a 30V Zener reference with 1W power handling. Consider the DO-41 package size for through-hole mounting. Evaluate thermal derating curves if ambient temperatures exceed 50°C to ensure safe operation within specified junction limits.

Part Context

This part belongs to the standard 1N47xx series of Zener diodes manufactured by Microchip. These components are widely used for basic voltage regulation tasks. The 1N4772A variant specifically targets the 30V market segment within this established product line.