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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：±2%
- 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 1N5346CE3/TR12 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333-5388B series. It provides voltage regulation at a nominal Zener voltage of 9.1 V with a tight tolerance of ±2%. The device operates in an axial T-18 package and supports through-hole mounting. Key electrical parameters include a test current of 150 mA, a maximum reverse leakage current of 7.5 µA, and a dynamic impedance of 2.0 Ohms. It withstands operating temperatures from -65°C to +150°C.
Feature Summary
- Provides stable voltage regulation across a broad operating current range
- Features low thermal resistance design for high DC current operation
- Withstands high surge stresses without damage
- Moisture classification Level 1 requiring no dry pack
Applications
- Voltage regulation circuits
- High power protection applications
- Surge stress environments
Procurement Notes
Verify component authenticity against official Microchip documentation. Confirm RoHS compliance status via the e3 suffix designation. Check for discontinuance notifications or product change notices prior to procurement. Ensure sourcing channels are authorized distributors to prevent counterfeit components.
Selection Notes
Select this component for applications requiring precise voltage reference stability due to the ±2% tolerance. The 5-watt power dissipation rating necessitates adequate heat sinking or specific PCB copper pad layouts to maintain thermal limits. Verify that the required operating temperature range aligns with the specified -65°C to +150°C limits.
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. The 'C' suffix indicates a tighter ±2% voltage tolerance compared to standard B suffix devices.
Replacement Considerations
Consult official datasheets for cross-reference data. No public substitute part numbers are confirmed in the provided source material.
