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Product Detailed Parameters
- Description：DIODE ZENER 14V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：14 V
- Tolerance：±2%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2.5 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 10.1 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 Microchip Technology 1N5351CE3/TR13 is a silicon 5.0-watt Zener diode in the JEDEC registered 1N5333-5388B series, designed for voltage regulation from 3.3 to 200 volts. It features a T-18-2 axial lead package with a nominal Zener voltage of 14V and a tight ±2% tolerance. The device operates within a temperature range of -65°C to +150°C and includes RoHS compliance (e3 suffix) and tape-and-reel packaging (TR suffix).
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range.
- Features flexible axial-lead mounting terminals suitable for through-hole applications.
- Withstands high surge stresses and exhibits minimal changes in voltage versus current.
- Moisture classification Level 1 per IPC/JEDEC J-STD-020B requires no dry pack.
Applications
- Voltage regulation circuits requiring 5W power dissipation.
- High DC current applications with adequate heat sinking.
- Surge stress protection environments.
Procurement Notes
Verify the specific suffix configuration against official documentation to confirm tolerance and packaging details. Confirm RoHS compliance status and ensure the component matches the required thermal resistance specifications for your application's heat sinking method. Check for any discontinuance notifications or manufacturing changes prior to finalizing procurement plans.
Selection Notes
Select this component when a 5-watt axial Zener diode with a 14V nominal rating and ±2% tolerance is required. Ensure the design accommodates the specified thermal resistance of 25°C/W junction-to-lead. Verify that the operating environment stays within the -65°C to +150°C range and that sufficient heat sinking is provided for steady-state operation.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon 5-watt Zener diodes manufactured by Microsemi (now Microchip Technology). The series offers a wide selection of voltages from 3.3V to 200V with various tolerance options identified by suffix letters. The e3 suffix indicates RoHS compliance, while the TR suffix denotes tape-and-reel packaging availability.
Replacement Considerations
Surface mount equivalents are available as SMBJ5333 to SMBJ5388B or SMBG5333B to SMBG5388B. Military screening levels can be obtained by adding MQ, MX, or MV prefixes to the base part number.
