1N5251BUR-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N5251BUR-1/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 22 V with a tolerance of ±5%. The device operates in the DO-213AA surface-mount package and supports a maximum power dissipation of 500 mW. Electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 29 Ohms, and a forward voltage of 1.5 V at 200 mA. The component functions within a junction temperature range of -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using Zener breakdown characteristics
• Designed for surface-mount assembly via the DO-213AA package
• Capable of operating across an extended industrial temperature range

Single Zener Diodes Applications

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

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official documentation to ensure compatibility with required packaging formats. Confirm that the selected variant matches the intended thermal management requirements and mounting constraints for the target printed circuit board design.

Single Zener Diodes Selection Notes

Select this component when a precise 22 V regulation point is required in a compact surface-mount footprint. Ensure the circuit design accommodates the specified 500 mW power dissipation limit and verify that the 29 Ohm impedance aligns with the noise and stability requirements of the application.

Single Zener Diodes Part Context

This part belongs to the 1N5251 series of Zener diodes manufactured by Microchip Technology. The BUR-1 designation indicates a specific surface-mount package variant, while the /TR suffix typically denotes tape-and-reel packaging for automated assembly processes.

Single Zener Diodes Replacement Considerations

Consult official substitution guides for parameter-equivalent alternatives. Verify that any replacement maintains identical voltage ratings, package dimensions, and thermal performance specifications.