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Product Detailed Parameters
- Description：DIODE ZENER 62V 5W T18
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- Voltage - Zener (Nom) (Vz)：62 V
- Tolerance：±2%
- Power - Max：5 W
- Impedance (Max) (Zzt)：42 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 44.6 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 1N5372C/TR12 is a silicon 5.0-watt Zener diode with a nominal voltage of 62 volts and a ±2% tolerance. It operates within a temperature range of -65°C to +150°C, features a maximum reverse leakage current of 0.5 µA at 47.1 V, and has a dynamic impedance of 42 ohms. The component utilizes an axial T-18 package and is supplied in tape and reel format.
Feature Summary
- Provides precise voltage regulation with tight ±2% tolerance
- Capable of handling high surge stresses and steady-state power dissipation
- Features flexible axial-lead mounting terminals for through-hole applications
Applications
- Voltage regulation circuits requiring high precision
- Power supply protection against overvoltage conditions
- Reference voltage generation in electronic systems
Procurement Notes
Verify the specific C suffix designation confirms the required ±2% voltage tolerance before procurement. Confirm that the TR12 suffix indicates tape and reel packaging suitable for automated assembly processes. Ensure compatibility with existing thermal management designs given the 5-watt power rating.
Selection Notes
Select this component when circuit requirements demand tighter voltage stability than standard B-suffix devices provide. Consider the thermal resistance characteristics and derating curves if operating near maximum power limits. Verify lead length requirements match the specified 3/8 inch (10 mm) for optimal heat sinking performance.
Part Context
This device belongs to the JEDEC registered 1N5333B through 1N5388B series of 5-watt Zener diodes manufactured by Microsemi. The series offers a wide selection of voltages from 3.3V to 200V with various tolerance options identified by suffix letters.
Replacement Considerations
1N5372B/TR12
FAQ
What does the 'C' suffix indicate for this part number?
The 'C' suffix designates a tight voltage tolerance of plus or minus 2%.
How is the maximum regulator current determined?
It is calculated using the formula IZM = P/VZM, where VZM is the voltage at the high end of the tolerance and P is the rated power.
