1N5339/TR8

Single Zener Diodes Overview

The Microsemi Corporation 1N5339/TR8 is a silicon Zener diode with a nominal voltage of 5.6V and a power dissipation rating of 5.0 watts at 25°C. It features a T-18 axial leaded plastic package and operates within a temperature range of -65°C to +150°C. The device has a maximum dynamic impedance of 1.0 ohm, a test current of 220 mA, and a maximum reverse current of 1.0 µA. It is supplied in tape and reel packaging.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across broad operating current and temperature ranges
• Withstands high surge stresses while maintaining minimal changes in voltage versus current
• Features flexible axial-lead mounting terminals for versatile installation

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Power supply protection against overvoltage conditions
• Reference voltage generation in measurement systems

Single Zener Diodes Procurement Notes

Verify the specific suffix letter on the part number to confirm the exact voltage tolerance required for your application. Confirm that the RoHS compliant version (e3 suffix) is necessary if environmental regulations apply. Ensure adequate heat sinking is provided during operation to maintain performance within the specified thermal limits.

Single Zener Diodes Selection Notes

Select this component when a 5-watt power rating and a 5.6-volt regulation point are required. Consider the T-18 through-hole package for applications needing robust mechanical mounting. Evaluate the thermal resistance characteristics to ensure proper heat dissipation under steady-state power conditions.

Single Zener Diodes Part Context

This component belongs to the JEDEC registered 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series offers a wide selection of voltages from 3.3 volts to 200 volts with various tolerance options identified by specific suffix letters. These devices are designed for applications requiring reliable voltage regulation in demanding environments.

Single Zener Diodes Replacement Considerations

Equivalent parts include other 5-watt Zener diodes with a 5.6V nominal voltage and compatible T-18 packages. Verify electrical parameters such as dynamic impedance and maximum reverse current match the original specifications before substitution.