ROV07H680K-S

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TVS Varistors, MOVs, are components designed to protect circuits against transient voltages or surges. They absorb excess voltage and safely divert it away from sensitive circuit elements. The ROV07H680K-S Varistor is one such device manufactured by Littelfuse, Inc. It is a unique MOV designed to offer optimal surge protection capabilities for a variety of applications. In this article, we will explore the application fields and working principle of the ROV07H680K-S Varistor.

Application Fields

The ROV07H680K-S Varistor has a wide range of applications. It can be used for over-voltage hold up in renewable energy systems due to its high capacitance and low inductance, and it can also be used to protect equipment in the automotive, industrial, and consumer electronics industries. It can also be used to protect cables and other sensitive components such as processor chips and sensors.

Its flexibility and broad application field make it a good choice for many types of boards and systems. The ROV07H680K-S Varistor can be used in 12V, 24V, 115V, and 220-240V systems with an operating voltage range of 2-6V. It also features an absorbtion ratio of 35V/μs and an active area of 105mm2.

Working Principle

The ROV07H680K-S Varistor is a non-linear resistive element that acts as a voltage limiter or clamp. When the voltage reaches a certain threshold, the MOV starts to conduct, dissipating the excess energy and preventing it from reaching and damaging sensitive circuit elements. The ROV07H680K-S has a nominal clamping voltage of 680V and a maximum voltage rating of 1000V, and its unique construction makes it capable of handling high-power applications.

The ROV07H680K-S also features an active area on one side of the varistor to ensure proper heat dissipation. This active area increases the MOV’s maximum pulse power rating and makes it more resilient to electromagnetic interference. The MOV is also protected against dust, moisture, and other environmental contaminants, helping to ensure a longer lifespan.

The ROV07H680K-S Varistor is a reliable, versatile solution for protecting vulnerable circuits from transient voltages or surges. It is able to absorb and dissipate energy while protecting other, more sensitive components from damage. It is suitable for a variety of applications, and its operation and features make it an ideal choice for protecting circuits and products from transient voltage.

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