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1N5387CE3/TR12
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Product Detailed Parameters
- Description：DIODE ZENER 190V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：190 V
- Tolerance：±2%
- Power - Max：5 W
- Impedance (Max) (Zzt)：450 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 137 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 1N5387CE3/TR12 is a silicon 5.0-watt Zener diode in the JEDEC registered 1N5333-5388B series, housed in an axial-lead T-18 package with tape and reel packaging. It provides voltage regulation at a nominal Zener voltage of 190 V with a tight tolerance of ±2%. The device features a maximum reverse current of 500 nA tested at 137 V, a maximum dynamic impedance of 450 ohms, and a maximum regulator current of 25 A. It operates within a temperature range of -65°C to +150°C.
Feature Summary
- Provides precise 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 exhibits minimal changes in voltage versus current
- RoHS compliant construction with void-free transfer molded thermosetting epoxy body
Applications
- Voltage regulation circuits requiring high power dissipation
- High maximum DC current applications with adequate heat sinking
- Surge stress protection environments
Procurement Notes
Verify that the specific suffix 'e3' confirms RoHS compliance and lead finish specifications as defined by the manufacturer. Confirm the 'TR12' designation matches the required tape and reel packaging format. Ensure the component meets all environmental and export control classifications relevant to your procurement jurisdiction.
Selection Notes
Select this component when a 190 V Zener voltage with ±2% tolerance is required for high-power applications. Consider the 5 W power dissipation capability and thermal resistance characteristics for proper heat sinking design. Verify compatibility with the T-18 axial-lead package dimensions and moisture classification Level 1 requirements.
Part Context
This part belongs to the Microsemi 1N5333B through 1N5388B series of silicon 5-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 robust performance in demanding electronic applications.
Replacement Considerations
Consult official datasheets for equivalent parts within the 1N5333-5388B series or other manufacturers offering 5W axial Zener diodes with matching 190V and ±2% specifications.
