1N5746B/TR

Single Zener Diodes Overview

The 1N5746B/TR is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 27 V with a tolerance of ±5%. The device operates in the DO-204AH (DO-35) axial through-hole package, supporting a maximum power dissipation of 500 mW. Key electrical characteristics include a test current of 1 mA and a maximum reverse leakage current of 10 nA. The component functions within an operating temperature range from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 27 V level
• Capable of handling up to 500 mW power dissipation
• Constructed for reliable operation across extended industrial temperature ranges

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Protection circuits requiring reference voltages
• Power supply circuit design

Single Zener Diodes Procurement Notes

Verify RoHS compliance status as documentation indicates non-RoHS variants may exist for this part number. Confirm the specific suffix requirements for tape-and-reel packaging if automated assembly is intended. Ensure the procurement channel sources genuine Microchip Technology components to guarantee specified electrical parameters and reliability standards are met.

Single Zener Diodes Selection Notes

Select this component when a precise 27 V reference is required in a compact axial package. Consider the ±5% tolerance and 500 mW thermal limits against circuit demands. Evaluate the high-temperature capability for environments exceeding standard commercial ranges. Verify that the through-hole mounting style aligns with the target PCB layout constraints.

Single Zener Diodes Part Context

This part belongs to the 1N series of Zener diodes, a legacy designation widely adopted for standardized voltage regulator components. Microchip Technology continues production of these devices to support existing designs requiring proven axial leaded packages. The 1N5746B variant specifically targets applications needing a 27 V breakdown voltage with moderate power handling capabilities.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N5746 equivalents. Verify pinout compatibility and ensure replacement parts meet or exceed the 500 mW power rating and 27 V Zener voltage specifications.