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1N5377BE3/TR8
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Product Detailed Parameters
- Description：DIODE ZENER 91V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：91 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：75 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 65.5 V
- Operating Temperature：-65°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：T-18, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
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Overview
The Microsemi Corporation 1N5377BE3/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 91 V and ±5% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum dynamic impedance of 75 Ohms at a test current of 15 mA. The device has a maximum reverse leakage current of 0.5 µA at 65.5 V and withstands a surge current of 52.5 A. Packaged in an axial T-18 case with RoHS-compliant plating, it offers high specified maximum current when adequately heat sunk.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and minimal changes of voltage versus current
- Features flexible axial-lead mounting terminals for versatile installation
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection systems
- Reference voltage generation
Procurement Notes
Verify the specific suffix configuration against official datasheets to confirm tolerance and packaging details. Confirm RoHS compliance status and lead material specifications. Check for any manufacturer discontinuation notices or alternative package options before finalizing procurement plans.
Selection Notes
Select this component for applications requiring robust 5-watt power dissipation and precise voltage regulation. Ensure adequate heat sinking is provided to maintain performance within the specified thermal limits. Verify that the required surge current capacity meets the circuit's transient requirements.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of axial-leaded 5.0 watt Zener diodes. The series provides voltage regulation from 3.3 to 200 volts with various tolerance options. The 'e3' suffix indicates RoHS compliance, while the 'TR' suffix denotes tape and reel packaging availability.
Replacement Considerations
Equivalent parts include other 5W Zener diodes with 91V nominal voltage and ±5% tolerance. Verify mechanical dimensions and thermal characteristics match the original design requirements.
