1N5354/TR8

Overview

The Microchip Technology 1N5354/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 17 V and a ±5% tolerance. It operates in the -65°C to +150°C range within a T-18 axial lead package. Key electrical parameters include a maximum reverse current of 0.5 µA, a dynamic impedance of 2.5 Ω, and a test current of 70 mA.

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
• Surge protection applications
• Reference voltage generation

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the presence of the TR suffix indicates tape and reel packaging. Ensure compliance with RoHS requirements if applicable to the specific manufacturing lot.

Selection Notes

Select this component for applications requiring 5-watt power dissipation and precise 17 V regulation. Consider thermal resistance and heat sinking requirements for steady-state operation. Verify that the axial lead configuration fits the target PCB layout constraints.

Part Context

This part belongs to the JEDEC registered 1N5333B through 1N5388B series of silicon Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V with various tolerance options identified by suffix letters.

Replacement Considerations

Consult the official datasheet for equivalent parts within the 1N5333B-1N5388B series. Verify matching voltage, power rating, and package dimensions before substitution.