MXSMLJ45A/TR Circuit Protection

Series:	Military, MIL-PRF-19500
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	45V
Voltage - Breakdown (Min):	50V
Voltage - Clamping (Max) @ Ipp:	72.7V
Current - Peak Pulse (10/1000µs):	41.2A
Power - Peak Pulse:	3000W (3kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AB, SMC
Supplier Device Package:	SMLJ (DO-214AB)

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TVS is a Transient Voltage Suppressor Diode that is commonly used for protecting electronic circuits from sudden voltage spikes and surges. The MXSMLJ45A/TR is a type of TVS that specifically provides protection against ESD (electrostatic discharge) events. It has an operating range of -5V to +50V. It is a unidirectional diode with an trigger voltage of 14V, making it ideal for low voltage applications and providing protection against transient voltage.The main application fields for the MXSMLJ45A/TR are consumer electronics, automotive electronics, field instruments, medical equipment, and military applications. It is most commonly used in applications where low trigger voltage, low clamp voltage, and low capacitance are important. The MXSMLJ45A/TR can also be used in medium- to- high voltage applications.The working principle of the MXSMLJ45A/TR is simple, yet effective. It has a reverse diode characteristic, meaning it has a reverse breakdown voltage (VBR) that helps to protect the application from voltage spikes. The diode will be activated if the voltage reaches a certain level (the trigger voltage) and begins conducting current. This creates an avalanche breakdown, which then allows the current to flow freely from the application.Once the current is flowing freely, the MXSMLJ45A/TR will provide protection against overvoltage conditions and any unwanted noise. The unidirectional characteristic is designed to prevent any excessive current from flowing in the reverse direction, which could otherwise damage the connected circuit.Moreover, the MXSMLJ45A/TR has low capacitance, making it suitable for high speed applications. Its low capacitance and its fast switching time (less than 17 nanoseconds) ensures that it is fast enough to react to sudden spikes in voltage. The low capacitance also ensures that the MXSMLJ45A/TR provides an optimal signal integrity solution for high-speed digital circuits.In addition, the MXSMLJ45A/TR has a low thermal resistance, which helps to keep the temperature of the connected components within safe levels. This helps to protect the circuit against thermal damage.Overall, the MXSMLJ45A/TR is a low voltage TVS diode that is designed to protect the connected circuit against overvoltage and spike conditions. Its low capacitance, fast switching speed, and low thermal resistance makes it highly efficient and suitable for consumer electronics, automotive electronics, medical and military applications where voltage protection is important.

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