1N2974RB

Overview

The Microchip Technology 1N2974RB is a Zener diode designed for stud-mount applications. It features a nominal Zener voltage of 10V and supports a maximum power dissipation of 250W. The device exhibits a reverse current of 3 Ohms at the specified test conditions. This component is classified under Zener Diodes within the Diodes & Rectifiers subcategory, manufactured by Microchip / Microsemi.

Feature Summary

• Provides stable voltage regulation through Zener breakdown characteristics
• Utilizes a stud-mount package configuration for direct chassis attachment
• Engineered for high-power dissipation capabilities up to 250W

Applications

• High-power voltage regulation circuits
• Chassis-mounted power supply protection
• Industrial equipment voltage reference standards

Procurement Notes

Verify the specific suffix RB against the official Microchip datasheet to confirm mechanical dimensions and terminal configurations. Ensure thermal management solutions are compatible with the stud-mount interface. Confirm RoHS compliance status as indicated in the manufacturer's documentation prior to integration into regulated assemblies.

Selection Notes

Select this component when high power handling and robust mechanical mounting are required. The stud-mount design facilitates efficient heat transfer to a heatsink or chassis. Verify that the 10V Zener voltage aligns with the circuit's regulation requirements and that the 250W power rating exceeds the expected operational dissipation.

Part Context

This part belongs to the standard Zener diode family produced by Microchip Technology. It serves as a rugged voltage reference solution for industrial environments. The stud-mount variant distinguishes it from leaded or surface-mount equivalents by offering superior thermal performance and mechanical stability for high-current applications.