1N5377E3/TR12

Overview

The Microsemi Corporation 1N5377E3/TR12 is a silicon Zener diode with a nominal voltage of 91 V and a maximum power dissipation of 5 W. It features a T-18 axial leaded package and operates within a temperature range of -65°C to +150°C. The device has a reverse leakage current of 500 nA at 65.5 V, a forward voltage of 1.2 V at 1 A, and a maximum dynamic impedance of 75 Ohms.

Feature Summary

• JEDEC registered series providing voltage regulation across a broad operating current and temperature range
• Flexible axial-lead mounting terminals designed for high-density applications
• Withstands high surge stresses while maintaining minimal changes in voltage versus current

Applications

• Voltage regulation in electronic circuits
• High-density mounting configurations
• Applications requiring robustness against high surge stresses

Procurement Notes

Verify the component status as this specific part number is listed as obsolete or end-of-life by the manufacturer. Confirm availability of alternative packaging types or equivalent replacement components from the distributor catalog before finalizing procurement plans.

Selection Notes

Select this component for applications requiring a 91 V Zener voltage with a 5 W power rating. Ensure the design accommodates the T-18 axial leaded package dimensions and provides adequate heat sinking to manage thermal resistance during operation.

Part Context

This component belongs to the 1N5333B through 1N5388B JEDEC registered series of 5.0 watt Zener diodes manufactured by Microsemi. The series offers a wide selection of voltages from 3.3 to 200 volts with various tolerance options identified by suffix letters.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.