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Product Detailed Parameters
- Description：DIODE ZENER 17V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：17 V
- Tolerance：±10%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2.5 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 12.2 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
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Overview
The Microchip Technology 1N5354AE3/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333-5388B series, manufactured by the Microsemi Scottsdale Division. It provides voltage regulation at a nominal Zener voltage of 17 V with a standard tolerance of ±10%, indicated by the 'A' suffix. The device operates within a temperature range of -65°C to +150°C and features a T-18 axial-lead package. Electrical characteristics include a maximum reverse current of 0.5 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 exhibits minimal voltage changes versus current
- Features flexible axial-lead mounting terminals for through-hole applications
- Moisture classification Level 1 requiring no dry pack storage
Applications
- Voltage regulation in power supply circuits
- Reference voltage sources for electronic systems
- Overvoltage protection components
Procurement Notes
Verify the component origin as the datasheet originates from the Microsemi Scottsdale Division. Confirm that the specific ordering suffixes correspond to the required RoHS compliance (e3) and tape-and-reel packaging (TR). Ensure the part number matches the exact voltage and tolerance specifications required for the design.
Selection Notes
Select this component for applications requiring 5-watt power dissipation and a 17 V regulation point. The ±10% tolerance suits general-purpose designs where tighter precision is not critical. Consider thermal management requirements, as steady-state power depends on lead length or ambient board temperature.
Part Context
This part belongs to the 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. Different suffix letters identify specific voltage tolerances, while prefixes can denote military screening levels. The e3 suffix indicates RoHS compliant plating.
Replacement Considerations
Consult the manufacturer's discontinuance notifications for potential obsolescence. Verify if other suffixes within the same series meet the specific electrical requirements.
