MX1.5KE250CA

Voltage - Clamping (Max) @ Ipp:	344V
Supplier Device Package:	CASE-1
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	5A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	237V
Voltage - Reverse Standoff (Typ):	214V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes

Transient Voltage Suppressor (TVS) devices are small signal diodes that provide protection against electrical transients and overvoltage events. Unlike conventional diodes, TVS diodes are specially designed for rapid clamping of high-voltage, high-energy pulses. As such, they can be used in a variety of applications where protection from high-voltage surges and spikes is necessary. The MX1.5KE250CA is an example of such a device, and it is used in applications such as automotive, industrial, military, and medical systems where electrical protection is required.

MX1.5KE250CA Application Field

The MX1.5KE250CA is a unidirectional, single-line TVS diode that provides electrical surge protection. It is designed to protect up to 250 Volts of peak or maximum working voltage, and can handle up to 1500 W (1.5 KW) of peak or maximum working power. This makes it suitable for applications in automotive, industrial, military, and medical systems, where high surge voltages are likely to occur. It is also ideal for use with modern transceiver systems, as it can quickly clamp high energy surges before damage can occur.

MX1.5KE250CA Working Principle

The working principle of the MX1.5KE250CA TVS diode is relatively straightforward. It is designed to rapidly respond to surge voltage and divert the current away from the protected circuitry. The diode works by clamping the voltage at a certain level, limiting the amount of current that passes through the protected circuit. This is known as a voltage “clamping” effect.When a voltage surge appears, the diode quickly reduces it to a predefined level. This is achieved by a process known as avalanche breakdown. This occurs when an electric current is passed through a diode in a reverse direction, creating a large number of electrons and holes which collide and cause an avalanche breakdown. This releases a large amount of energy, which is then dissipated into the environment.The MX1.5KE250CA diode can also be used in combination with varistors, which are also designed to divert excessive voltage surges. Varistors work by forming a bridge between two metal plates. When a surge appears, the voltage is diverted to the varistor, where it is dissipated as heat.

Conclusion

The MX1.5KE250CA is a unidirectional, single-line TVS diode that provides electrical surge protection in applications such as automotive, industrial, military, and medical systems. It can quickly clamp high energy surges before damage can occur, and its working principle relies on the process of avalanche breakdown, which is when a current is passed through a diode in a reverse direction, creating an avalanche breakdown which releases energy and dissipates it into the environment. In combination with varistors, it provides an effective solution for protecting circuitry from excessive voltage surges.

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