ROV07H390K-S

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The ROV07H390K-S is a Transient Voltage Suppressor (TVS) device, or a Voltage Triggered Varistor, designed to protect sensitive electronic components on printed circuit boards from electrical overstress, voltage transients, and other harmful electrical signals. TVS devices are typically categorized as either diode-based or MOV-based devices. Diodes are semiconductor devices that can be operated in reverse biased to provide a source of energy to absorb electrical spikes and surges. On the other hand, MOVs or metal oxide varistors are made of zinc oxide pellets or discs that offer a non-linear resistance when exposed to electrical spikes and surges.

The ROV07H390K-S is a MOV-based device designed to provide electrical overstress protection on printed circuit boards. This device is rated to handle up to 340V peak pulses, with a peak pulse power dissipation capacity of 7.5 watts at 10/1000μs and a voltage standoff of 39 volts. The ROV07H390K-S is designed to be effective up to 5GHz in applications such as automotive electronic components, consumer electronics, computers, telecommunication systems, and industrial equipment.

The working principle of the ROV07H390K-S is simple and effective. When exposed to high voltage levels, the varistor element within the device reduces the voltage by providing a low-resistance path for the electric current, thus preventing damage to the sensitive components. This protection is achieved because the device has an non-linear voltage-current characteristic. The resistance decreases as the voltage level increases, thus allowing the current to bypass the sensitive components in the circuit and enter the varistor.

Because the voltage is snubbed, the ROV07H390K-S is able to provide effective and reliable protection against overvoltage. Its non-linear characteristics enable it to handle short-term, high-voltage spikes without exceeding the maximum power dissipation rating. Furthermore, the device is able to limit the high voltage with a fast response time, which is important for protecting sensitive electronic components.

The ROV07H390K-S device is well suited for applications such as automotive electronics, consumer electronics, computers, telecommunications systems, and industrial equipment. Its device characteristics provide effective protection against transient voltage and overvoltage. As such, the ROV07H390K-S is an ideal choice for reliable and effective protection of sensitive electronic components on printed circuit boards.

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