MOV-10D390K

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TVS - Varistors, MOVs are a unique type of protection devices that are designed to protect valuable and sensitive electronic equipment from damaging voltage surges coupled with a static or dynamic electrical event. The MOV-10D390K is a type of MOV (Metal Oxide Varistor) device that was specially designed and optimized for up-to-date high voltage applications such as automobiles, high-end consumer electronic devices, telecommunications, and military applications.

In automobiles and high-end consumer electronic devices, the MOV-10D390K device is used to protect the system from damaging transient voltage that may arise from switching devices, inductive loads, and voltage spikes. This device is particularly useful if the operating voltage of the system is very high or at the edge of exceeding its limits due to load-induced high voltage transients.

In telecommunications, the MOV-10D390K device is used to protect the system from overvoltage due to lightning strikes or electrostatic discharge (ESD). The device is useful for protecting systems made up of multiple components, such as a voice over IP telephone or a wireless router, from damaging transient voltages that may arise due to the sudden arrival of high-energy pulses or electrostatic discharge.

Lastly, MOV-10D390K devices are frequently used in military applications due to their capability to withstand high transient voltages. The device is used to protect computers and communication systems onboard ships, aircraft, and wheeled/tracked vehicles from damaging overvoltage.

The working principle of the MOV-10D390K is quite simple yet very effective. The MOV is a non-linear device, meaning that its voltage-current characteristics is not a linear function. Essentially, in a non-linear device, the current is not proportional to the voltage applied to it.

When the device is working in its normal operating voltage range, the current through it is relatively low, but when a certain threshold voltage is exceeded, the device enters its breakdown region, in which the current increases exponentially. Therefore, once a harmful voltage spike appears due to an electrical event, the device quickly enter its breakdown region, in which the current passes through it rises exponentially and dissipates the energy as heat inside the device. This prevents the transient voltage from reaching the sensitive electronic components of the system.

In conclusion, the MOV-10D390K is a very useful and reliable protection device with applications ranging from automobiles and telecommunications to military applications. With its simple yet effective working principle, it is a great way to ensure the safety and operability of the system.

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