ROV20H561K-2

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TVS (Transient Voltage Suppression) are devices used to protect circuits from voltage transients, which occur during power line surges, inductive loads switching, RF coupling, and other transient events. Varistors, MOVs (Metal Oxide Varistor) and ROV20H561K-2 are all types of TVS, which protect electronic circuits from damage caused by transients. In this article, we will discuss the application field of ROV20H561K-2 and its working principle.

The ROV20H561K-2 varistor is commonly used in a variety of applications, such as in automotive, telecom, and industrial applications. The device’s ability to uniformly absorb transient over-voltage makes it ideal for use in automotive, telecom, and similar applications. It is also an ideal option for EMI filtering in order to reduce the amount of electromagnetic interference. The varistor is also used in a wide range of other applications where over-voltage protection is important, such as in appliances, computers, and other consumer electronics.

The ROV20H561K-2 varistor is a specialized multi-layer metal oxide varistor (MOV), which uses a network of zinc oxide particles bonded to insulated metal layers, with each layer containing two terminals. The device is characterized by its ability to absorb transient voltages quickly and uniformly, eliminating the possibility of destruction of a circuit. When exposed to over-voltage, the varistor acts like a resistor, dissipating the energy and preventing it from passing through the circuit. This protects sensitive electronics and keeps devices running smoothly.

The working principle of the ROV20H561K-2 varistor is based on an existing physics phenomenon known as the “Zener Effect”. When a voltage above the rated varistor voltage (VRMS) is applied to the device, a spontaneous breakdown of the dielectric medium of the MOV occurs. This process allows the varistor to instantly absorb the pulse energy without suffering damage, thereby protecting the circuit. The varistor’s capability of absorbing large amounts of energy makes it ideal for use in power supply circuits, as it can quickly and reliably protect sensitive components from damage.

In conclusion, the ROV20H561K-2 varistor is a special type of MOV device designed for transient voltage suppression. It can be used in many applications, including automotive, telecom and industrial applications, where it can protect equipment from over-voltage and EMI. The device is characterized by its ability to quickly and uniformly absorb transient over-voltage. Its working principle is based on the Zener Effect, where an abrupt breakdown of the device’s dielectric medium occurs, allowing it to absorb large amounts of energy.

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