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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：±20%
- 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 1N5367E3/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 reverse leakage current of 500 nA at 32.7 V. 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 broad operating current and temperature ranges
- Withstands high surge stresses and exhibits minimal voltage change versus current
- Features flexible axial-lead mounting terminals for secure installation
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in measurement systems
Procurement Notes
Verify the RoHS compliance status indicated by the e3 suffix against specific project requirements. Confirm that the TR8 tape and reel packaging aligns with automated assembly equipment specifications. Ensure the manufacturer designation matches current corporate records as Microsemi assets transitioned to Microchip Technology.
Selection Notes
Select this component when a 43 V reference point is required with moderate precision. The 5 W power rating supports high-current applications provided adequate heat sinking is implemented. Verify that the T-18 through-hole package fits the available board space and that the thermal resistance characteristics meet the system's cooling design constraints.
Part Context
This part belongs to the JEDEC registered 1N5333B through 1N5388B series of 5.0 watt Zener diodes. The series offers a wide selection of voltages from 3.3 V to 200 V. The e3 suffix indicates RoHS compliant construction, while the TR8 suffix specifies the standard tape and reel packaging format for manufacturing efficiency.
Replacement Considerations
Compatible substitutes include the 1N5367AE3 and 1N5367B variants within the same series. These alternatives share identical electrical ratings and mechanical dimensions, allowing for direct pin-for-pin replacement without circuit modification.
