1N5275BUR

Single Zener Diodes Overview

The 1N5275BUR is a unidirectional silicon Zener diode manufactured by Microchip Technology. It features a nominal breakdown voltage of 140 V and a maximum power dissipation of 0.5 W (500 mW). The device is housed in a DO-213AA surface-mount package, also known as MELF-2 or MLL34. Constructed with a glass encapsulation, it is designed for voltage regulation and transient protection applications.

Single Zener Diodes Feature Summary

• Provides stable voltage reference and regulation capabilities
• Designed for surface-mount assembly via DO-213AA package
• Utilizes hermetically sealed glass construction

Single Zener Diodes Applications

• Voltage regulation circuits
• Transient voltage suppression
• Voltage reference applications

Single Zener Diodes Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm tolerance and packaging variations. Ensure compliance with RoHS directives if lead-free requirements are necessary, as standard versions may contain lead. Confirm the manufacturer source is authorized to guarantee component authenticity and traceability.

Single Zener Diodes Selection Notes

Select this component when a 140 V Zener voltage is required in a compact surface-mount form factor. Consider the 0.5 W power rating for thermal management in the design. Verify that the DO-213AA footprint matches the PCB layout constraints and that the operating temperature range meets system specifications.

Single Zener Diodes Part Context

This part belongs to the 1N5221 through 1N5281B series of 0.5 W Zener Voltage Regulators. The series offers a wide selection of voltages from 2.4 V to 200 V. The 1N5275BUR specifically addresses higher voltage regulation needs within this established product line, maintaining consistent performance characteristics across the family.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 140 V Zener diodes in DO-213AA packages. Verify electrical parameters such as dynamic impedance and test current to ensure functional equivalence. Check for pinout compatibility and thermal performance similarities before substitution.