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Product Detailed Parameters
- Description：DIODE ZENER 10V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：10 V
- Tolerance：±10%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 7.2 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
- Grade：-
- Qualification：-
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Overview
The Microsemi Corporation 1N5347A/TR8 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333-5388B series, housed in an axial-lead T-18 package with a TR suffix indicating tape and reel packaging. It provides voltage regulation at a nominal Zener voltage of 10 V with a standard tolerance of ±10%. The device operates within a temperature range of -65°C to +150°C and features a maximum dynamic impedance of 2.0 Ohms at the test current of 125 mA.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Features flexible axial-lead mounting terminals for through-hole applications
- Withstands high surge stresses and exhibits minimal changes in voltage versus current
- Moisture classification is Level 1 per IPC/JEDEC J-STD-020B requiring no dry pack
Applications
- Voltage regulation in power supply circuits
- Reference voltage generation in electronic systems
- Overvoltage protection for sensitive components
Procurement Notes
Verify the specific suffix configuration against official datasheets to confirm tolerance and packaging details. Confirm RoHS compliance status as non-e3 variants may not meet current environmental standards. Check for end-of-life notifications or alternative part recommendations directly from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a 10 V reference with ±10% tolerance is required in a 5 W axial package. Ensure adequate heat sinking is provided to maintain operation within the specified thermal resistance limits. Verify that the application current does not exceed the maximum regulator current specifications defined in the electrical characteristics table.
Part Context
This part belongs to the Microsemi Scottsdale Division 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V with various tolerance options identified by suffix letters. These plastic encapsulated devices are designed for high maximum DC currents with low thermal resistance.
Replacement Considerations
Equivalent parts include other manufacturers' 5W axial Zener diodes with 10V nominal voltage and ±10% tolerance. Verify pinout compatibility and thermal performance characteristics match the original design requirements.
