1N5337AE3/TR8

Single Zener Diodes Overview

The Microsemi Corporation 1N5337AE3/TR8 is a silicon Zener diode with a nominal voltage of 4.7V and a tolerance of ±10%. It features a maximum power dissipation of 5W at 25°C, operating temperatures from -65°C to +150°C, and a thermal resistance of 25°C/W junction-to-lead. The device utilizes an axial T-18 plastic package with two pins and is supplied in tape and reel format.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation across a broad range of operating currents and temperatures
• Capable of withstanding high surge stresses and steady-state power loads when adequately heat sunk
• Features flexible axial-lead mounting terminals for versatile integration

Single Zener Diodes Applications

• Voltage regulation circuits requiring robust performance under high current conditions
• Power supply designs utilizing adequate heat sinking for thermal management
• Industrial applications demanding wide temperature stability and surge withstand capability

Single Zener Diodes Procurement Notes

Verify the specific suffixes against official Microsemi documentation to confirm exact electrical tolerances and compliance status. Ensure the TR8 designation matches the required tape and reel packaging specifications for automated assembly processes before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 4.7V reference with ±10% tolerance and 5W power handling. Consider the T-18 package dimensions and lead configuration for PCB layout compatibility. Evaluate thermal management requirements based on the specified junction-to-lead thermal resistance for optimal circuit reliability.

Single Zener Diodes Part Context

This part belongs to the JEDEC registered 1N5333 through 1N5388B series of silicon Zener diodes manufactured by Microsemi's Scottsdale Division. The series offers a wide selection of voltages from 3.3V to 200V with various tolerance options defined by specific suffix letters.

Single Zener Diodes Replacement Considerations

Equivalent parts within the 1N5333-1N5388B series may be considered if they match the 4.7V voltage rating, ±10% tolerance, and 5W power dissipation requirements. Verify mechanical fit and electrical characteristics against the original datasheet specifications.

Single Zener Diodes FAQ

What does the 'e3' suffix indicate for this component?

The 'e3' suffix indicates that the device is RoHS compliant and features annealed matte-Tin plating on its terminals.

How is the polarity identified on the 1N5337AE3/TR8?

Polarity is indicated by a band on the cathode end; the diode must be operated with the banded end positive with respect to the opposite end.