1N5343BE3/TR12

Single Zener Diodes Overview

The Microchip Technology 1N5343BE3/TR12 is a silicon 5-watt Zener diode with a nominal voltage of 7.5 V and ±5% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum reverse current of 10 µA at 5.4 V and a dynamic impedance of 1.5 Ω. The device utilizes an axial-lead T-18 package and includes RoHS compliance via the e3 suffix.

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 through-hole integration

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 component authenticity by checking manufacturer markings against official datasheet specifications. Confirm RoHS compliance status and packaging details directly with authorized distributors. Ensure storage conditions meet Level 1 moisture classification requirements prior to assembly.

Single Zener Diodes Selection Notes

Select this component for applications requiring robust 5-watt power dissipation capabilities. Consider the specific 7.5 V breakdown voltage and tight ±5% tolerance for precision regulation needs. Evaluate thermal management requirements based on the specified junction-to-lead thermal resistance.

Single Zener Diodes Part Context

This part belongs to the JEDEC registered 1N5333B through 1N5388B series of axial-leaded 5.0 watt Zener diodes. The series offers a wide selection of voltages from 3.3 to 200 volts with various tolerance options identified by specific suffix letters.

Single Zener Diodes Replacement Considerations

Direct substitutes include other 1N5343 variants with matching electrical characteristics. Verify that any replacement maintains the same 5-watt power rating, T-18 package dimensions, and ±5% voltage tolerance to ensure circuit compatibility.