ROV14-561K-S-2

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TVS (Transor Varistor) devices, also known as MOVs (Metal Oxide Varistors) are used to provide surge protection for electrical circuits. ROV14-561K-S-2 is one of these devices. In this article we will discuss the application field and working principle of ROV14-561K-S-2.

ROV14-561K-S-2 is a type of MOV (Metal Oxide Varistor) device which is designed to protect circuits against unwanted surges and voltage spikes. The device is capable of withstanding a maximum surge voltage of 140V DC, and has a maximum surge energy rating of 20 J. It also has a minimum response time of 5nS. It is used in a variety of applications, including home and commercial appliances, industrial electrical systems, automotive and marine circuits.

The working principle of ROV14-561K-S-2 is based on the fact that it is a non-linear, semi-conductor device. It has a specially-designed metal oxide varistor element which acts as a voltage dependent resistor. The voltage across the MOV element is proportional to its current. When the voltage across the MOV increases, the current through it increases in a non-linear manner, up to the point where the element is saturated. At this point, the current through the device stops rising.

When the MOV is subjected to a surge, the voltage across it rises quickly, causing the current to increase accordingly. This increased current causes the MOV to reduce its resistance sharply, allowing the surge to bypass the protection device. However, after the surge has passed, the voltage across the MOV drops quickly and the current decreases. This causes the MOV to go back to its original resistance, which allows the current to be regulated and the protection device to operate normally.

In summary, the ROV14-561K-S-2 Varistor is designed as an overvoltage protection device and is suitable for a variety of applications. It has a fast response time and can be used to protect against electrical surges and voltage spikes. It works by quickly increasing its current when the voltage across it rises, allowing the surge to bypass the protection device. After the surge has passed, the current through the MOV decreases, returning the device to its original resistance.

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