1N5347CE3/TR12

Single Zener Diodes Overview

The Microsemi Corporation 1N5347CE3/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333B through 1N5388B series. It provides voltage regulation at a nominal Zener voltage of 10 V with a tight tolerance of ±2%. The device operates within an ambient temperature range of -65°C to +150°C and features a T-18 axial leaded plastic package. Electrical characteristics include a maximum dynamic impedance of 2.0 Ohms, a test current of 125 mA, and a maximum reverse leakage current of 5.0 µA.

Single Zener Diodes Feature Summary

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

Single Zener Diodes Applications

• Voltage reference circuits requiring precise regulation
• Power supply protection against overvoltage conditions
• General purpose voltage clamping in electronic systems

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings and datasheet alignment. Confirm RoHS compliance status based on the e3 suffix. Ensure proper heat sinking is utilized during operation to maintain power dissipation ratings within specified limits. Validate packaging specifications for tape and reel handling requirements.

Single Zener Diodes Selection Notes

Select this component when a 10 V regulation point with ±2% precision is required. Consider the 5 W power rating and thermal resistance characteristics for adequate heat dissipation. Verify that the axial lead configuration fits the target PCB layout constraints. Compare dynamic impedance values against circuit sensitivity requirements.

Single Zener Diodes Part Context

This part belongs to the Microsemi 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. Different tolerance levels are identified by specific suffix letters, such as B for ±5%, C for ±2%, and D for ±1%. The series includes options for military screening and surface mount equivalents.

Single Zener Diodes Replacement Considerations

Equivalent parts within the same series include 1N5347B (±5% tolerance) or 1N5347D (±1% tolerance). Surface mount alternatives are available as SMBJ5347 or SMBG5347. Verify pinout compatibility and thermal performance before substitution.