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Product Detailed Parameters
- Description：DIODE ZENER 10V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Zener (Nom) (Vz)：10 V
- Tolerance：±5%
- 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 1N5347B/TR12 is a silicon Zener diode with a nominal voltage of 10V and ±5% tolerance. It features a 5W power dissipation rating at 25°C, operating temperatures from -65°C to +150°C, and a thermal resistance of 25°C/W junction-to-lead. The device utilizes an axial T-18 plastic package with tin-lead terminals and includes a TR suffix for 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 change versus current
- Features flexible axial-lead mounting terminals in a void-free epoxy body
Applications
- Voltage regulation circuits requiring 5W power handling
- Power supply reference designs
- Protection against overvoltage conditions
Procurement Notes
Verify the specific electrical characteristics for the 1N5347B variant within the datasheet table. Confirm that the TR suffix indicates tape-and-reel packaging compliance with EIA-296 standards. Ensure the component meets the required moisture classification level and terminal plating specifications for the intended assembly process.
Selection Notes
Select this component when a 10V Zener reference with ±5% tolerance is required. Consider the 5W power rating and thermal resistance for heat sinking requirements. Verify compatibility with existing axial lead mounting infrastructure and ensure the tape-and-reel format aligns with automated placement equipment capabilities.
Part Context
This part belongs to the JEDEC registered 1N5333 through 1N5388B series of 5-watt Zener diodes. The series offers a wide voltage selection from 3.3V to 200V with various tolerance options identified by suffix letters. The B suffix specifically denotes a standard ±5% voltage tolerance.
Replacement Considerations
Equivalent parts include other 1N5347 variants with different tolerances or prefixes (MQ, MX, MV) for military screening. Surface mount equivalents are available as SMBJ5347 or SMBG5347.
