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1N5381/TR8
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Product Detailed Parameters
- Description：DIODE ZENER 130V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：130 V
- Tolerance：±20%
- Power - Max：5 W
- Impedance (Max) (Zzt)：190 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 93.6 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 1N5381/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 130 V and a ±20% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum dynamic impedance of 190 ohms and a reverse leakage current of 0.5 µA at 93.6 V. The device utilizes a T-18 axial lead package and includes a TR suffix for tape and reel packaging.
Feature Summary
- Provides stable voltage regulation across broad operating currents and temperatures
- Withstands high surge stresses and maintains minimal voltage changes versus current
- Features flexible axial-lead mounting terminals for through-hole applications
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in measurement systems
Procurement Notes
Verify the exact part number against official Microsemi documentation before procurement. Confirm that the 'TR' suffix correctly indicates tape and reel packaging requirements. Ensure compatibility with existing thermal management designs due to the 5-watt power dissipation rating. Check for RoHS compliance status if environmental regulations apply to your specific manufacturing process.
Selection Notes
Select this component when a 130 V Zener voltage with wide tolerance is required. Consider the T-18 package dimensions for PCB layout constraints. Evaluate thermal resistance characteristics to ensure adequate heat sinking for continuous operation. Compare dynamic impedance specifications against circuit sensitivity requirements for accurate voltage clamping.
Part Context
This device belongs to the JEDEC registered 1N5333B through 1N5388B series of 5-watt Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V. Different suffix letters identify specific voltage tolerances, while the e3 suffix denotes RoHS compliant versions. The 1N5381 variant specifically targets the 130 V application segment within this established product line.
Replacement Considerations
Consult official Microsemi documentation for verified substitute part numbers. Cross-reference electrical parameters such as voltage tolerance and power dissipation carefully.
