1N5348BE3/TR12

Overview

The Microchip Technology 1N5348BE3/TR12 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 at a test current of 125 mA. The component 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 W power dissipation
• High surge stress environments
• Through-hole PCB assembly

Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm RoHS compliance and packaging type. Confirm availability status as distribution channels may vary. Ensure thermal management aligns with the specified junction-to-lead thermal resistance for reliable operation.

Selection Notes

Select this component for applications requiring precise 11 V regulation with tight ±5% tolerance. Consider the 5 W power rating and thermal derating curves when designing heat sinking solutions. Verify that the axial lead form factor fits the target mechanical constraints.

Part Context

This device belongs to the JEDEC registered 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V, utilizing plastic encapsulated bodies with moisture classification Level 1.

Replacement Considerations

Consult official documentation for verified substitute part numbers.