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Product Detailed Parameters
- Description：DIODE ZENER 43V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：43 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：20 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 31 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 1N5367B/TR8 is a silicon unidirectional voltage regulator diode with a nominal Zener voltage of 43 V and a maximum power dissipation of 5 W. It features a ±5% voltage tolerance, a test current of 30 mA, and a maximum dynamic impedance of 20 Ω. The device operates within a temperature range of -65°C to +150°C and utilizes a T-18 axial lead package.
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 secure installation
Applications
- Voltage regulation circuits requiring 5 W power handling
- High surge stress environments
- Broad operating current applications
Procurement Notes
Verify the specific suffix 'TR' indicates tape and reel packaging per EIA-296 standards. Confirm RoHS compliance status by checking for the 'e3' designation on the component body or official datasheet revision history. Ensure the manufacturer source aligns with current Microchip Technology documentation rather than legacy Microsemi records.
Selection Notes
Select this component when a 43 V reference with ±5% tolerance is required. The 5 W power rating supports high DC currents if adequate heat sinking is provided. Verify that the T-18 through-hole package fits the PCB layout constraints and that the thermal resistance characteristics meet the system's ambient temperature requirements.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of silicon 5-watt Zener diodes. The series covers a voltage selection from 3.3 V to 200 V. The 'B' suffix specifically denotes a standard voltage tolerance of plus or minus 5%. The 'TR' suffix designates the tape and reel packaging option.
Replacement Considerations
Cross-reference with other manufacturers offering 1N5367 equivalents in the T-18 package. Verify that substitute parts match the 43 V nominal voltage, 5 W power dissipation, and ±5% tolerance specifications.
