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Product Detailed Parameters
- Description：DIODE ZENER 47V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±20%
- Power - Max：5 W
- Impedance (Max) (Zzt)：25 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 33.8 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 1N5368E3/TR12 is a silicon 5-watt Zener diode from the JEDEC registered 1N5333B to 1N5388B series. It provides voltage regulation at 47 V with a ±5% tolerance, indicated by the B 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 test current of 25 mA, a maximum dynamic impedance of 25 Ohms, and a maximum reverse current of 0.5 µA.
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
- Non-sensitive to electrostatic discharge per MIL-STD-750 Method 1020
Applications
- Voltage regulation in power supply circuits
- Reference voltage generation in electronic systems
- Overvoltage protection applications
Procurement Notes
Verify the component authenticity against official Microchip or Microsemi datasheets. Confirm the RoHS compliant e3 suffix and TR12 tape and reel packaging specifications match project requirements. Ensure the B suffix corresponds to the required ±5% voltage tolerance before procurement.
Selection Notes
Select this component for applications requiring 5-watt power dissipation and 47 V regulation. Consider the T-18 through-hole package for mechanical stability. Evaluate thermal resistance requirements, as performance depends on adequate heat sinking. Verify compatibility with existing circuit designs regarding test current and dynamic impedance limits.
Part Context
This part belongs to the 1N5333B through 1N5388B series of silicon Zener diodes manufactured by Microsemi's Scottsdale Division. The series offers a wide selection of voltages from 3.3 V to 200 V. The e3 suffix denotes RoHS compliance, while the TR suffix indicates tape and reel packaging options for automated assembly.
Replacement Considerations
Compatible substitutes include other 1N5368 variants with matching voltage and power ratings. Cross-reference specific suffixes for tolerance and packaging differences. Verify that alternative components meet the same thermal and electrical specifications.
