1N5373A/TR8

Overview

The Microchip Technology 1N5373A/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 68 V and ±10% tolerance. It operates within a temperature range of -65°C to +150°C, features a T-18 axial lead package, and includes a TR suffix for tape and reel packaging.

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 and void-free transfer molded epoxy body

Applications

• Voltage regulation in power supply circuits
• High surge stress protection applications
• General purpose voltage reference circuits

Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm availability and exact specifications. The component may be subject to discontinuation or manufacturing changes; consult the latest datasheet for accurate procurement details.

Selection Notes

Select this component for applications requiring 5-watt power dissipation and 68-volt regulation. Ensure adequate heat sinking is provided to maintain performance within the specified thermal resistance limits during operation.

Part Context

This device belongs to the JEDEC registered 1N5333 through 1N5388B series of axial-leaded 5.0 watt Zener diodes. The series offers a wide selection of voltages from 3.3 to 200 volts with various tolerance options identified by suffix letters.

Replacement Considerations

Equivalent parts include 1N5373B (±5% tolerance) and 1N5373C (±2% tolerance). Verify compatibility regarding voltage tolerance and physical package dimensions before substitution.

FAQ

What does the 'TR' suffix indicate?

The 'TR' suffix indicates that the device is packaged in tape and reel format per EIA-296 standards.

How is polarity indicated on the device?

Polarity is indicated by a band on the cathode end of the diode body.