MSMLJ54CA/TR

Current - Peak Pulse (10/1000µs):	34.4A
Supplier Device Package:	SMLJ (DO-214AB)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Series:	Military, MIL-PRF-19500
Voltage - Clamping (Max) @ Ipp:	87.1V
Voltage - Breakdown (Min):	60V
Voltage - Reverse Standoff (Typ):	54V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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TVS - Diodes: MSMLJ54CA/TR Application Field and Working Principle

TVS or transient voltage suppression diodes are actively designed components which are put in place to guard circuit boards from any kind of electrical overstress caused due to voltage transients. They instantly kick in as soon as a high voltage threshold is crossed and protect the circuit by clamping that transient voltage, thus limiting its duration and current amplitude. The MSMLJ54CA/TR model of Transient Voltage Suppression diode is typically designed to be used in the over-voltage and surge-protection needs of industrial, commercial, automotive and any other kind of applications which might require a great deal of power regulation. It is designed to be used to protect against power surges that are caused by faults or overloads in the power grid, switching inductive and back EMF loads, cause by motor switching, and also overvoltage spikes that might be caused by lightning or any other kind of electric shock high voltage event. The MSMLJ54CA/TR TVS diode model is a high current diode with maximum peak power dissipation of up to 600W and a maximum peak pulse current between 8.3 A to 17 A. This wider range of current output ensures that it is one of the most suitable surge protection solutions for an array of industrial and automotive applications. With its Vishay mil Thick Film technology, the component has a typical capacitance of between 6 pF and 10 pF, a maximum standoff voltage of 53 V, and a total peak power of 600 W. Its unique design allows for its power dissipation ( P ob ) to be maintained even at a V max surge testing up to 1.5KV, making it suitable for lightning tests.The working principle of the MSMLJ54CA/TR TVS diode is relatively simple. Most TVS diode models are configured into a symmetrical structure with two PN junctions put together in a sequential fashion. Every PN junction acts as an electron collector and donor. Then, these two PN junctions are connected together in a manner that an external voltage is applied between the DB (diode bridge) anode and cathode. This voltage then causes a depletion zone which is commonly known as a breakdown region, thus assisting the PN junctions in releasing charge and forming a protection barrier. The total voltage drop is typically between 5 V and 15 V. Overall, the MSMLJ54CA/TR TVS diode is an effective model of a Transient Voltage Suppression diode with wide applications in different industrial, commercial and automotive requirements that might require surge protection from power grid faults and/or high voltage spikes. With its robust design, it is capable of blocking power spikes and safely leading them out of the circuit, thus ensuring a safe and functional operation.

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