1N4751UR-1

Overview

The Microchip Technology 1N4751UR-1 is a Zener voltage regulator diode designed for surface-mount applications. It utilizes the DO-213AA (SMB) package configuration and operates as a single-diode component. The device provides a nominal Zener voltage of 30 V with a maximum power dissipation rating of 1 W. Key electrical parameters include a test current of 8.5 mA, a maximum reverse leakage current of 5 µA, and a Zener impedance of 40 Ω. The unit supports an operating temperature range from -65°C to +200°C.

Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics
• Designed for surface-mount technology (SMD/SMT) integration
• Capable of handling high thermal loads up to 200°C

Applications

• Voltage reference circuits
• Overvoltage protection stages
• General-purpose voltage regulation

Procurement Notes

Verify the specific manufacturer part number against official Microchip Technology documentation to ensure accuracy. Confirm that the DO-213AA package matches your PCB footprint requirements. Check datasheet specifications for RoHS compliance status and verify the exact Zener voltage tolerance before finalizing procurement orders.

Selection Notes

Select this component when a surface-mount Zener diode with a 30 V regulation point is required. Ensure the design accommodates the 1 W power dissipation capability and the specified 40 Ω impedance at the 8.5 mA test current. Verify that the operating environment remains within the -65°C to +200°C temperature limits defined in the technical specifications.

Part Context

This component belongs to the broader category of Zener diodes manufactured by Microchip Technology. It serves as a discrete semiconductor device intended for use in electronic circuits requiring precise voltage clamping or regulation. The specific model designation identifies its unique electrical ratings and physical package form factor within the manufacturer's product portfolio.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.