1N5349CE3/TR8

Overview

The Microchip Technology 1N5349CE3/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 12 V with a tight tolerance of ±2%. The device operates within a temperature range of -65°C to +150°C and features a maximum reverse leakage current of 125 µA. Packaged in an axial T-18 case, it supports tape and reel mounting.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features flexible axial-lead terminals for through-hole mounting applications
• Withstands high surge stresses and exhibits minimal changes in voltage versus current
• RoHS compliant construction available via specific ordering suffixes

Applications

• Voltage regulation circuits requiring high power dissipation
• Power supply protection against overvoltage conditions
• Reference voltage generation in industrial equipment

Procurement Notes

Verify the component status as this part number may be discontinued or subject to limited availability. Confirm RoHS compliance requirements match the e3 suffix designation. Ensure the TR8 tape and reel packaging aligns with automated assembly needs. Check for valid datasheet revisions before finalizing procurement specifications.

Selection Notes

Select this component when a 12 V reference with ±2% precision is required in a 5 W package. Consider the thermal resistance characteristics for adequate heat sinking. Verify that the maximum regulator current and surge current ratings meet the circuit's peak load demands. Ensure the operating temperature range covers the intended environmental conditions.

Part Context

This device belongs to the Microsemi Scottsdale Division 1N5333B through 1N5388B series of silicon Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V. The C suffix indicates a tighter ±2% voltage tolerance compared to standard B (±5%) or A (±10%) variants.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.