ROV20H681K

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The ROV20H681K is a part of a variety of overvoltage protection devices called TVS diode arrays, which also include varistors, MOVs, and other semiconductor devices. These devices are used to prevent power surges or voltage spikes from damaging components in sensitive electronic systems. They are commonly used in automotive, industrial, military, medical, communications, and consumer electronics applications. The ROV20H681K is a radial, axial leaded 1-element varistor with a voltage rating of 20V. It provides protection against over-voltage conditions up to a voltage of 20V by reducing the current flow at higher voltages. This model is available in two variants: the ROV20H681K1T and the ROV20H681K2T, with a response time of 1.5ns and 3.5ns respectively.

A varistor is a type of voltage-sensitive, non-linear resistor. It has a variable resistance that changes with the applied voltage, allowing it to act as a voltage clamp. It is used to protect electronic circuits from stress caused by excessive voltage levels. The resistance of a varistor varies depending on the voltage applied to it. As voltage increases, the resistance of the device decreases. At a specific point, known as the breakdown voltage, the resistance drops drastically. This allows the device to act as a short circuit to divert the current away from the load and dissipate it.

The ROV20H681K is designed to provide protection against overvoltage or surge conditions of up to 20V. When the voltage level exceeds 20V, the switch functions as a short-circuit, diverting the current away from the protected circuit and dissipating the excess voltage in the form of heat. This ensures that the sensitive components in the protected circuit are not damaged by the voltage spike. The varistor is connected in parallel with the load and has a spark gap built-in to reduce the voltage.

The ROV20H681K is a rugged, reliable device that offers superior performance in a variety of applications. It is commonly used in automotive, industrial, telecommunications, computer, and consumer electronics applications. The ROV20H681K is also suitable for use in high-voltage automotive systems such as switch mode power supplies and voltage regulator modules.

The ROV20H681K is a versatile device that is easily integrated into existing designs. It features a wide operating temperature range of -40°C to +85°C. This ensures that it can be used reliably in a variety of harsh environments. The device also features low surge current capabilities and a low clamping voltage. This improves reliability and reduces total system power consumption.

In conclusion, the ROV20H681K is a robust, reliable voltage surge protection device that is suitable for use in a variety of applications. It is designed to provide protection against voltage levels up to 20V. It features a low clamping voltage, a wide operating temperature range, and low resistance. This ensures that it can be used reliably and effectively in a variety of high-voltage applications.

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