ROV14H621K-S

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TVS - Varistors, MOVs are surge protectors that are commonly used in electrical and electronic applications.

ROV14H621K-S varistor is a general-purpose, unidirectional and symmetrical transient, non-linear and over-voltage protection semiconductor device. The ROV14H621K-S consists of metal oxide varistor (MOV)-based non-linear element, and is connected in a symmetrical bi-directional polarity. This integrated design of the device provides excellent protection against transients, especially Surge and ESD, in both positive and negative directions. This type of varistor has a distribution voltage of 14V with a maximum surge current of 8.2A.

The ROV14H621K-S varistor is ideal for use in power line protection applications, including AC power protection, DC power protection as well as signal line protection. It is also suitable for a wide range of applications where transient protection is required. Its low capacitance and low inductance make it suitable for rapid response time and high efficiency in the pulse protection.

The working principle of the ROV14H621K-S varistor is based on the non-linear element of Metal Oxide Varistor (MOV). When the voltage across the device is within its maximum rated voltage, the MOV acts as an insulator with a very high resistance. When the voltage across the device is increased above the maximum rated voltage, the MOV suddenly reduces its resistance and becomes a conductor. Thus, when the voltage is within the maximum rated voltage, the MOV protects the devices from over-voltage transients. When the voltage is increased above the maximum rated voltage, the MOV will absorb the surge energy and dissipate it as heat.

The ROV14H621K-S varistor is used in power line applications for protection from over-voltage transients such as lightning or electrostatic discharge. It is also used in signal line applications for protection from over-voltage transients caused by switching transients in power lines. In addition, the varistor is also used in motor protection against spikes that occur due to poor grounding conditions. The varistor can also protect against other over-voltage conditions such as induction field and inrush current.

The ROV14H621K-S varistor is a simple yet very effective surge protector that can be used in many commercial and industrial applications. It is easy to install and low cost, making it the ideal choice for protecting sensitive electronic components from over-voltage transients. With its low capacitance and low inductance, it provides rapid response time and high efficiency in the pulse protection. Its metal oxide construction makes it more durable and reliable than other protective devices.

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