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1N5381A/TR12
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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：±10%
- 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 1N5381A/TR12 is a silicon 5.0-watt Zener diode with a nominal voltage of 130 V and a ±10% tolerance. It operates within a temperature range of -65°C to +150°C and features an axial-lead T-18 package. The device provides high maximum regulator current when adequately heat sunk, exhibits minimal voltage changes versus current, and withstands high surge stresses.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Features flexible axial-lead mounting terminals for through-hole integration
- Withstands high surge stresses and demonstrates minimal voltage variation relative to current changes
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection systems
- Reference voltage generation in electronic instrumentation
Procurement Notes
Verify the specific suffix designation against official documentation to confirm tolerance levels and screening requirements. Confirm that the TR suffix indicates tape and reel packaging per EIA-296 standards. Ensure compatibility with required thermal management solutions due to the 5-watt power dissipation rating.
Selection Notes
Select this component for applications requiring robust voltage regulation at higher voltages up to 200 volts. Consider the T-18 package dimensions and lead length requirements for proper heat sinking. Evaluate the need for military equivalent screening if operating in harsh environments or high-reliability contexts.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of axial-leaded 5.0-watt Zener diodes. The series offers a wide selection of voltages from 3.3 to 200 volts with various tolerance options identified by suffix letters. These plastic encapsulated devices are designed for high maximum DC currents with adequate heat sinking.
Replacement Considerations
Equivalent surface mount options include SMBJ5381B or SMBG5381B. Verify pinout compatibility and thermal performance characteristics when transitioning between axial-lead and surface mount packages.
