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Product Detailed Parameters
- Description：DIODE ZENER 68V 5W DO15
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：68 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：44 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 51.7 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：DO-204AC, DO-15, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Grade：-
- Qualification：-
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Overview
The MCC 1N5373B-TP is a 5-watt Zener diode with a nominal voltage of 68V and ±5% tolerance. It operates within a junction temperature range of -55°C to +200°C, featuring a maximum thermal resistance of 15°C/W from junction to lead. The device supports a maximum regulator current of 70mA and a surge current of 1.5A. Electrical characteristics include a dynamic impedance of 44Ω at 20mA and a reverse current of 0.5µA at 51.7V.
Feature Summary
- Provides stable voltage regulation across a wide operating temperature range
- Features low thermal resistance for efficient heat dissipation
- Epoxy encapsulation meets UL 94 V-0 flammability rating
Applications
- Voltage regulation in power supply circuits
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in measurement equipment
Procurement Notes
Verify the specific suffix designation when ordering to confirm compliance requirements. The standard -TP suffix indicates RoHS compliance. Ensure that the procurement channel is an authorized distributor to guarantee genuine parts and full traceability as required by manufacturer standards.
Selection Notes
Select this component for applications requiring high-power voltage clamping up to 5 watts. Consider the 44Ω dynamic impedance and 68V breakdown voltage for circuit design. Verify that the thermal management strategy accommodates the specified thermal resistance values under expected load conditions.
Part Context
This part belongs to the 1N5338B through 1N5388B series of axial-leaded 5.0 watt Zener diodes manufactured by Micro Commercial Components. The series offers a broad selection of voltages from 5.1V to 200V with various tolerance options identified by suffix letters.
Replacement Considerations
Cross-reference with other manufacturers' 1N5373 equivalents ensuring identical 68V Zener voltage, 5W power rating, and DO-15 package compatibility. Verify matching electrical parameters such as dynamic impedance and surge current capabilities before substitution.
