1N5348BE3/TR8

Overview

The Microchip Technology 1N5348BE3/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 11 V and ±5% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum reverse current of 5.0 µA at 8.0 V and a dynamic impedance of 2.5 Ω. The device utilizes an axial-lead T-18 package and is supplied in tape and reel format.

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

Applications

• Voltage regulation circuits requiring 5-watt power dissipation
• High surge stress environments
• Through-hole PCB assembly

Procurement Notes

Verify the component status as End-of-Life (EOL) or discontinued before procurement planning. Confirm RoHS compliance details and specific suffix requirements against official datasheets. Check for valid substitute part numbers if original availability is restricted.

Selection Notes

Select this component for applications requiring 11 V regulation with ±5% tolerance. Ensure adequate heat sinking is provided to maintain operation within the 5-watt power dissipation limit. Verify thermal resistance parameters based on the specific mounting method used.

Part Context

This component 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.

Replacement Considerations

Consult official documentation for confirmed substitute part numbers. No public substitutes are listed.