1N5351B/TR8

Overview

The Microchip Technology 1N5351B/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 14V. It features a ±5% tolerance and operates within a temperature range of -65°C to +150°C. The device has a maximum dynamic impedance of 2.5 ohms, a reverse current of 1.0 µA at 10.1V, and a maximum regulator current of 10.6A. It utilizes a T-18 axial lead package.

Feature Summary

• Provides stable voltage regulation across broad operating currents and temperatures
• Withstands high surge stresses and exhibits minimal voltage change versus current
• Features flexible axial-lead mounting terminals for secure installation

Applications

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

Procurement Notes

Verify the specific suffix 'TR8' against official documentation to confirm tape and reel packaging requirements. Confirm RoHS compliance status as indicated by the 'e3' designation in the datasheet series. Ensure the component meets environmental specifications for intended operating temperatures before procurement.

Selection Notes

Select this component for applications requiring 5-watt power dissipation and precise 14V regulation. Consider thermal resistance characteristics when designing heat sinking solutions. Verify that the ±5% tolerance aligns with circuit requirements compared to tighter tolerance alternatives.

Part Context

This part belongs to the JEDEC registered 1N5333 through 1N5388B series of axial-leaded Zener diodes. The series offers a wide selection from 3.3V to 200V with various tolerance options identified by suffix letters. These plastic encapsulated devices are designed for robust performance in demanding environments.

Replacement Considerations

Consult the manufacturer's datasheet for direct equivalents or updated revisions within the 1N53xx series. Verify mechanical dimensions and electrical parameters match before substituting.