ROV20H470L-S

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TVS (Transient Voltage Suppressor) devices are widely used in consumer and industrial applications for providing surge protection from lightning strike and other high voltage power surges. MOV (Metal Oxide Varistors) is a type of TVS device which is used to limit transient overvoltages. ROV20H470L-S is a MOV device used for suppressing voltage transient and is suitable for over-voltage protection applications such as LCD panels, printers, mobile phones and other consumer electronics. It has an operating voltage of 4V to 39V, and a peak pulse power of 10KW.

The ROV20H470L-S is designed to act as an over- voltage protector, as its breakdown voltage (maximum voltage) is set between the rated operating voltage and a maximum breakdown voltage. It is a bidirectional thyristor, meaning it can suppress both positive and negative transient over-voltages. When an overvoltage is present, the MOV will conduct current and dissipate the excess energy as heat, thus protecting the device. The dissipated energy is then absorbed into the MOV, meaning it needs to be replaced after a certain amount of time to prevent any further damage.

The ROV20H470L-S also features an excellent surge immunity and fast response time. It has a response time of less than 10 nanoseconds, which is one of the fastest in the industry, allowing it to protect the device from transient voltages before they cause any damage. It also has an excellent surge immunity, meaning it can withstand up to1000 volt/microsecond surge pulses. This makes the ROV20H470L-S an ideal device for applications such as over-voltage protection for LCD panels, printers, mobile phones, and other consumer electronics.

The working principle of the ROV20H470L-S is based on voltage-sensitive thyristor switching. When a transient voltage spike is present, the MOV will trigger the thyristor switching, allowing current to flow through the device. As the current passes through the MOV, the energy is dissipated as heat, thus providing protection against overvoltages. Additionally, the device is designed to have a resistance which increases exponentially with increases in pulse current, thus limiting the surges and protecting the electronic device.

In conclusion, the ROV20H470L-S is an excellent choice for over-voltage protection for various consumer electronics, such as LCD panels, printers, and mobile phones. It features excellent surge immunity and fast response time, allowing it to provide the necessary protection. Additionally, its working principle is based on voltage-sensitive thyristor switching, which helps to dissipate the energy of transient voltage spikes and thus protect the device.

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