1N4772A

Overview

The Microchip Technology 1N4772A is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 9.1 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 500 mW and utilizes the DO-204AH (DO-35) axial through-hole package. It operates within a temperature range of -55°C to +100°C and exhibits a maximum Zener impedance of 200 Ohms.

Feature Summary

• Provides stable voltage regulation at a nominal 9.1 V level
• Constructed in an axial through-hole DO-204AH package for reliable mounting
• Rated for 500 mW power dissipation under specified conditions

Applications

• General-purpose voltage reference circuits
• Overvoltage protection stages
• Biasing networks in electronic systems

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm package type matches DO-204AH requirements. Ensure operating temperature ranges align with system constraints. Validate electrical parameters such as Zener voltage and impedance during incoming inspection to guarantee performance reliability.

Selection Notes

Select this component when a 9.1 V regulation point is required in through-hole designs. Consider the 500 mW power limit and 200 Ohm impedance characteristics for circuit stability. Evaluate thermal management needs based on the specified operating temperature range and ambient conditions.

Part Context

This part belongs to the standard Zener diode family manufactured by Microchip Technology. It serves as a fundamental discrete semiconductor component for maintaining constant voltage levels in various electronic assemblies, distinct from integrated voltage regulators or transient suppression devices.