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Product Detailed Parameters
- Description：DIODE ZENER 9.1V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：9.1 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：2 Ohms
- Current - Reverse Leakage @ Vr：7.5 µA @ 6.6 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 1N5346BE3/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 9.1 volts with a standard tolerance of plus or minus 5%. 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 dynamic impedance of 2.0 ohms, a test current of 150 mA, and a maximum reverse current of 7.5 µA.
Feature Summary
- Provides stable voltage regulation across a broad operating current and temperature range
- Withstands high surge stresses and offers minimal changes in voltage versus current
- Features flexible axial-lead mounting terminals for through-hole integration
- Constructed with a void-free transfer molded thermosetting epoxy body
Applications
- Voltage regulation circuits requiring robust thermal performance
- Power supply protection against overvoltage conditions
- Reference voltage generation in industrial control systems
Procurement Notes
Verify component authenticity by checking manufacturer markings and datasheet specifications. Confirm RoHS compliance status via the e3 suffix designation. Ensure proper handling procedures are followed during storage and assembly to maintain device integrity and electrical performance standards.
Selection Notes
Select this component for applications requiring high power dissipation capabilities up to 5 watts. Consider the specific voltage tolerance requirements when choosing between different suffix letters. Evaluate thermal management needs based on the junction-to-lead thermal resistance specifications provided in the datasheet.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon Zener diodes manufactured by Microsemi, now part of Microchip Technology. The series covers a wide voltage range from 3.3V to 200V. The 'e3' suffix indicates RoHS compliance, while 'TR12' denotes tape and reel packaging options for automated assembly processes.
Replacement Considerations
Consult official documentation for verified substitute part numbers. Cross-reference electrical parameters such as Zener voltage, power dissipation, and package type before implementation.
