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1N5378B-TP
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Product Detailed Parameters
- Description：DIODE ZENER 100V 5W DO15
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：100 V
- Tolerance：±5%
- Power - Max：5 W
- Impedance (Max) (Zzt)：90 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 76 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 1N5378B-TP is a 5-watt Zener diode housed in the DO-15 axial through-hole package. It provides a nominal Zener voltage of 100 V with a ±5% tolerance. The device operates within a junction temperature range of -55°C to +200°C and features a maximum thermal resistance of 15°C/W from junction to lead. Electrical characteristics include a maximum dynamic impedance of 90 Ohms, a reverse leakage current of 0.5 µA at 76 V, and a maximum forward voltage of 1.2 V at 1 A.
Feature Summary
- Provides stable voltage regulation for circuits requiring high-voltage reference points
- Features epoxy encapsulation that meets UL 94 V-0 flammability ratings
- Supports operation under extreme thermal conditions up to 200°C
Applications
- High-voltage power supply regulation
- Overvoltage protection circuits
- Voltage reference applications
Procurement Notes
Verify the specific part number suffix against official manufacturer documentation to confirm compliance status and packaging type. Ensure procurement channels are authorized distributors to guarantee genuine components with full traceability. Cross-reference datasheet electrical limits with application requirements before finalizing orders.
Selection Notes
Select this component when a 100 V Zener voltage with 5 W power dissipation is required in an axial package. Consider the 90 Ohm dynamic impedance for regulation precision needs. Evaluate thermal management strategies given the 15°C/W junction-to-lead thermal resistance to maintain safe operating temperatures.
Part Context
This component belongs to the 1N5338B through 1N5388B series manufactured by Micro Commercial Components. The series covers a wide Zener voltage range from 5.1 V to 200 V, all sharing the same 5 W power rating and DO-15 package style. This specific model represents the higher voltage end of the standard lineup.
Replacement Considerations
Public confirmed substitute: 1N5378BRLG (onsemi). Verify pinout compatibility and ensure equivalent electrical parameters such as voltage tolerance and power dissipation are met.
FAQ
What is the maximum surge current capability?
The maximum non-recurrent surge current is 2.3 A for an 8.3 ms pulse width.
How does the device handle high temperatures?
It supports a maximum junction temperature of 200°C for pulsed conditions, though DC conditions are limited to 150°C.
