1N5343/TR8

Single Zener Diodes Overview

The Microchip Technology 1N5343/TR8 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 7.5 V with a ±5% tolerance, indicated by the B suffix. The device operates within a temperature range of -65°C to +150°C and features a T-18 axial lead package. Electrical characteristics include a maximum dynamic impedance of 1.5 ohms and a maximum reverse current of 10 µA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Withstands high surge stresses and exhibits minimal changes in voltage versus current
• Features flexible axial-lead mounting terminals for through-hole integration

Single Zener Diodes Applications

• Voltage regulation circuits requiring 5-watt power dissipation
• High surge stress environments
• Applications utilizing standard axial-lead mounting

Single Zener Diodes Procurement Notes

Verify the component origin carefully as the datasheet identifies Microsemi Scottsdale Division as the manufacturer. Confirm that the specific part number corresponds to the correct voltage rating and tolerance suffix. Ensure compatibility with existing thermal management designs given the 5-watt power dissipation capability.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 7.5 V reference with ±5% accuracy. Consider the T-18 package dimensions and thermal resistance specifications for heat sinking requirements. Verify that the operating temperature range meets the environmental conditions of the target system.

Single Zener Diodes Part Context

This component belongs to the 1N5333B through 1N5388B series of silicon Zener diodes. The series offers a wide selection of voltages from 3.3V to 200V. The 'TR' suffix indicates availability in tape and reel packaging per EIA-296 standards, suitable for automated assembly processes.

Single Zener Diodes Replacement Considerations

Compatible equivalents within the same series include 1N5343B and 1N5343B-TP. Cross-referencing with other manufacturers requires matching the 7.5 V Zener voltage, 5 W power rating, and T-18 package type.