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Product Detailed Parameters
- Description：DIODE ZENER 75V 5W T18
- Series：-
- Mfr：Microsemi Corporation
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：75 V
- Tolerance：±2%
- Power - Max：5 W
- Impedance (Max) (Zzt)：45 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 54 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 Microsemi Corporation 1N5374CE3/TR12 is a silicon 5-watt Zener diode with a nominal voltage of 75V and a ±2% tolerance. It operates within a temperature range of -65°C to +150°C, featuring a maximum reverse current of 0.5µA at 54V and a dynamic impedance of 45Ω. The device utilizes an axial T-18 package with RoHS-compliant matte-tin plating.
Feature Summary
- Provides precise voltage regulation over broad operating currents and temperatures
- Withstands high surge stresses and ESD events per MIL-STD-750 Method 1020
- Features flexible axial leads for secure mounting in various configurations
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in measurement systems
Procurement Notes
Verify the specific suffixes against official datasheets to confirm exact electrical tolerances and compliance status. Ensure the ordering information matches the required packaging format and screening levels before finalizing procurement orders.
Selection Notes
Select this component when high precision and robust thermal performance are required. The low dynamic impedance and wide operating temperature range make it suitable for demanding environments where stable voltage regulation is critical.
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 3.3V to 200V with various tolerance options identified by specific suffix letters on the part number.
Replacement Considerations
Equivalent parts include the 1N5374B and 1N5374C. Verify that replacement devices match the required voltage tolerance and power dissipation ratings for the specific application.
FAQ
What does the 'e3' suffix indicate?
The 'e3' suffix indicates that the device is RoHS compliant and features annealed matte-tin plating on the terminals.
How is polarity indicated on the device?
Polarity is indicated by a band on the cathode end of the diode body.
