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1N5378B/TR12
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Product Detailed Parameters
- Description：DIODE ZENER 100V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：100 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：90 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 72 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 1N5378B/TR12 is a silicon Zener diode with a nominal voltage of 100 V and a tolerance of ±5%. It operates within a power dissipation range of up to 5.0 watts at 25°C, featuring a maximum dynamic impedance of 90 ohms and a reverse current of 0.5 µA. The device utilizes an axial-lead T-18 package and supports tape-and-reel packaging per EIA-296 standards.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and exhibits minimal voltage changes versus current
- Features flexible axial-lead mounting terminals for versatile circuit integration
Applications
- Voltage regulation in electronic circuits
- Surge protection applications
- General-purpose voltage reference designs
Procurement Notes
Verify the specific suffix configuration against official documentation to confirm exact electrical tolerances and compliance status. Ensure the TR12 designation aligns with required tape-and-reel specifications before procurement. Cross-reference datasheet revisions to validate thermal resistance and maximum ratings for your specific application environment.
Selection Notes
Select this component when a 100 V Zener voltage with ±5% tolerance is required. Consider the 5-watt power rating and thermal resistance characteristics for adequate heat sinking. Verify that the axial-lead form factor meets the mechanical constraints of the target printed circuit board layout.
Part Context
This part belongs to the JEDEC registered 1N5333 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 devices are designed for robust performance in standard environmental conditions.
Replacement Considerations
Surface mount equivalents such as SMBJ5378B or SMBG5378B are available with identical electrical characteristics. Military screening levels can be obtained by adding MQ, MX, or MV prefixes to the base part number.
