1N5345BE3/TR12

Single Zener Diodes Overview

The Microchip Technology 1N5345BE3/TR12 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333B-1N5388B series. It provides voltage regulation with a nominal Zener voltage of 8.7 V and a standard tolerance of ±5%. 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 2.0 Ohms, a maximum reverse current of 10 µA, and a maximum regulator current of 545 mA.

Single Zener Diodes 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 applications
• Moisture classification Level 1 requiring no dry pack

Single Zener Diodes Applications

• Voltage regulation in power supply circuits
• Reference voltage generation in electronic systems
• Overvoltage protection components

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against datasheet specifications. Confirm RoHS compliance via the e3 suffix and ensure the TR12 designation matches tape and reel packaging requirements. Validate that the specific lot corresponds to the Microsemi/Microchip lineage as indicated in official documentation.

Single Zener Diodes Selection Notes

Select this component for applications requiring 5-watt power dissipation and an 8.7 V reference point. Ensure adequate heat sinking is provided to maintain operation within thermal limits. Verify that the ±5% tolerance meets circuit precision requirements and that the T-18 package fits the available board space.

Single Zener Diodes Part Context

This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes manufactured by Microsemi (now Microchip Technology). The series covers a wide voltage range from 3.3V to 200V. The 'e3' suffix indicates RoHS compliance, while 'TR12' specifies the tape and reel packaging format.

Single Zener Diodes Replacement Considerations

Consult the official datasheet for equivalent parts within the same series or cross-reference with other manufacturers offering compatible 5W Zener diodes with identical voltage and package specifications.