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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：±10%
- 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 1N5348AE3/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333B through 1N5388B series. It provides voltage regulation at a nominal Zener voltage of 11 V with a standard tolerance of ±10%. The device features an axial-lead T-18 package and operates within a temperature range of -65°C to +150°C. Electrical characteristics include a maximum reverse current of 5.0 µA and a dynamic impedance of 2.5 Ω.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and offers flexible axial-lead mounting terminals
- Features minimal changes in voltage versus current as specified by voltage regulation parameters
Applications
- Voltage regulation in power supply circuits
- Reference voltage generation for electronic systems
- Overvoltage protection applications
Procurement Notes
Verify component authenticity against official Microchip documentation. Confirm that the 'e3' suffix indicates RoHS compliance and the 'TR12' suffix denotes tape and reel packaging. Ensure the specific part number matches the required 11 V rating and ±10% tolerance before procurement.
Selection Notes
Select this component when a 5-watt power dissipation capability is required for high-current regulation tasks. The T-18 axial package facilitates through-hole mounting. Consider the thermal resistance specifications and derating curves if operating in ambient temperatures exceeding 25°C or requiring steady-state power limits on printed circuit boards.
Part Context
This component belongs to the 1N5333B through 1N5388B series of silicon Zener diodes manufactured by Microsemi (now Microchip Technology). The series covers a wide voltage selection from 3.3 V to 200 V, utilizing plastic encapsulated bodies with void-free transfer molded epoxy meeting UL94V-0 standards.
Replacement Considerations
Compatible substitutes within the same series include the 1N5348B (±5% tolerance) and 1N5348C (±2% tolerance). Verify that replacement parts maintain the same 5-watt power rating and T-18 package dimensions.
