TMOV14R200E

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TVS (Transient Voltage Suppression) diodes, Varistors, and Metal Oxide Varistors (MOVs) are the three primary devices found in numerous power management designs and lightning protection applications. Cell phone products, automotive, laptops, and most any other portable device requires some type of power management and protection device such as a TVS, Varistor, or MOV.

Metal oxide varistors (MOVs) are especially effective in dampening or absorbing voltage spikes. When an over-voltage occurs, the MOVs significantly reduce the amount of prolonged voltage on a system by supplying a rapid sink for the surge to travel through.

The TMOV14R200E is a typical example of an MOV device. This particular MOV device has a variable current range of 15-200A and a clamping voltage of 48V. It is primarily designed for use in automotive applications but can also be used in telecommunications systems, solar panels, LED lighting systems, etc. Additionally, it has a working temperature range from -40 to +125C.

MOVs work by combining a voltage-dependent impedance with a low-impedance metal oxide material. It acts as a power diverter for over-voltage transients. The current flows in two paths – one path from the supply voltage to ground and the other from the transient voltage to ground. The MOV is a very popular device for transient protection since it requires very little design effort compared to a typical TVS diode.

An MOV consists of a combination of zinc oxide and ceramic material that effectively varies its resistance depending upon the applied voltage. When a surge voltage appears, the MOV acts as a resistor and conducts a large amount of current through it, enabling the voltage to rapidly decrease into a safe range. The MOV can absorb several times its rated current, then gradually decrease as the voltage surge subsides, dissipating the heat and energy from the surge in the process. Thus, the MOV is able to absorb voltage spikes and protect system electronics.

The TMOV14R200E can be used in a variety of applications to protect against over-voltages. It is a very effective surge protection device and can be easily placed on printed circuit boards. It is suitable for lightning surge protection and can be used in lighting fixtures, solar inverters, and automotive applications. In addition, it is also very reliable and can be tested in the laboratory to ensure its capability to mitigate surges.

In summary, MOVs are a highly effective protection device for over-voltage transients. They are very reliable and relatively easy to use. The TMOV14R200E is an ideal application for automotive and other power protection applications due to its low impedance characteristics, its variable current range of 15-200A, and its clamping voltage of 48V. It is also suitable for lightning surge protection and can be used in lighting fixtures, solar inverters, and many other applications.

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