1N5346/TR8

Single Zener Diodes Overview

The Microchip Technology 1N5346/TR8 is a silicon Zener diode with a nominal voltage of 9.1 V and a power dissipation rating of 5.0 W at 25 °C. It features a maximum dynamic impedance of 2.0 Ω, a test current of 150 mA, and a maximum reverse leakage current of 7.5 µA. The device operates within a temperature range of -65 °C to +150 °C and utilizes a T-18 axial lead package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Withstands high surge stresses and exhibits minimal voltage change versus current
• Features flexible axial-lead mounting terminals for secure installation

Single Zener Diodes Applications

• Voltage regulation in power supply circuits
• Overvoltage protection for sensitive electronic components
• Reference voltage generation in measurement systems

Single Zener Diodes Procurement Notes

Verify the specific suffix 'TR8' against official documentation to confirm tape and reel packaging specifications. Confirm RoHS compliance status via the manufacturer's datasheet or product change notifications. Ensure the component meets all environmental and screening requirements for the intended application before procurement.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 9.1 V reference with 5 W power handling capability. Consider the thermal resistance characteristics and derating curves when designing heat sinking solutions. Verify that the ±5% tolerance aligns with circuit precision requirements.

Single Zener Diodes Part Context

This part belongs to the JEDEC registered 1N5333B through 1N5388B series of 5.0 W silicon Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V with various tolerance options identified by suffix letters. The TR8 suffix indicates a specific tape and reel packaging configuration for automated assembly.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 1N5346 equivalents in the T-18 package. Verify electrical parameters such as dynamic impedance and leakage current match the original specifications. Check for availability of RoHS-compliant versions if required.