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Product Detailed Parameters
- Description：DIODE ZENER 11V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：11 V
- Tolerance：±20%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2.5 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 8 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 1N5348E3/TR8 is a silicon 5-watt Zener diode with a nominal voltage of 11 V and ±5% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum reverse current of 5.0 µA at 8.0 V and a dynamic impedance of 2.5 Ω. The device utilizes a T-18 axial lead package and supports tape-and-reel packaging.
Feature Summary
- Provides stable voltage regulation across broad operating currents and temperatures
- Withstands high surge stresses and exhibits minimal voltage change versus current
- Features flexible axial-lead mounting terminals for through-hole applications
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in measurement systems
Procurement Notes
Verify the RoHS compliance status and specific manufacturer origin (Microsemi/Microchip) as corporate transitions may affect documentation. Confirm the presence of the 'e3' suffix indicates tin plating and the 'TR8' suffix denotes reel packaging. Ensure the component meets environmental standards required for your specific application before procurement.
Selection Notes
Select this component when a 5-watt power dissipation rating and an 11 V regulation point are required. Consider the T-18 package dimensions for board layout constraints. Evaluate thermal management needs based on the specified junction-to-lead thermal resistance and derating curves for continuous operation.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of silicon Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V. The 'e3' suffix identifies RoHS-compliant versions with matte-tin plating, while the 'TR8' suffix specifies tape-and-reel packaging options.
Replacement Considerations
Compatible substitutes include other 11 V, 5 W Zener diodes in the T-18 package from the same series, such as the 1N5348B or 1N5348E3. Verify that replacement parts match the ±5% tolerance and thermal characteristics.
