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1N5381B/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：±5%
- 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 1N5381B/TR12 is a silicon 5-watt Zener diode with a nominal voltage of 130 V. It features a ±5% tolerance, indicated by the B suffix, and operates within a temperature range of -65°C to +150°C. The device utilizes an axial-lead T-18 package and includes a TR suffix for tape and reel packaging. Electrical characteristics include a maximum dynamic impedance of 190 ohms at a test current of 10 mA, a maximum reverse current of 0.5 µA, and a maximum regulator current of 36.6 mA.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and offers flexible axial-lead mounting terminals
- Features minimal changes in voltage versus current as specified by voltage regulation
Applications
- Voltage regulation circuits requiring 5-watt power dissipation
- High DC current applications with adequate heat sinking
- Surge stress protection environments
Procurement Notes
Verify that the part number matches the specific JEDEC registered series requirements. Confirm the presence of the B suffix for ±5% tolerance and the TR suffix for tape and reel packaging. Ensure compliance with RoHS standards if applicable to the project specifications. Cross-reference thermal resistance values against the intended mounting method on FR4 PC boards or lead-mounted configurations.
Selection Notes
Select this component when a 130 V Zener voltage with tight ±5% tolerance is required. Consider the 5-watt power rating and low thermal resistance design for high-current applications. Verify that the T-18 axial-lead package fits the mechanical constraints. Evaluate the need for tape and reel packaging for automated assembly processes.
Part Context
This component belongs to the 1N5333B through 1N5388B series of JEDEC registered silicon Zener diodes. The series covers a voltage selection from 3.3 to 200 volts. The 1N5381B specifically addresses the 130-volt segment of this wide-range regulator lineup.
Replacement Considerations
Equivalent parts within the same series include 1N5381A (±10% tolerance) and 1N5381C (±2% tolerance). Surface mount equivalents are available as SMBJ5381B or SMBG5381B.
