ROV14-471K-2

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TVS - Varistors, MOVs are some of the most widely used electrical components for protection against surge voltages and transient voltage phenomena in a variety of applications. The ROV14-471K-2 is an example of one such electrical component. It is an axial-lead silicon-oxide varistor from the Varistor product family manufactured by Bourns®.

ROV14-471K-2 devices are typically used for overvoltage protection in industrial, automotive, consumer and communication systems, as well as many other applications. The component has an operating temperature range of -55°C to +125°C and a voltage range of 14 V to 47 V, making it suitable for a wide range of applications. It also provides superb EMI filtering capability, making it a great choice for applications in harsh environments.

The ROV14-471K-2 works on the principle of voltage-dependent resistors (VDRs). The device consists of a thin walled ceramic cylinder encased in an epoxy material mold and has an axial-lead. Variations of this device can also have a radial lead. The cylinder incorporates a high-grade non-linear Zinc Oxide element and is electrically connected in a series configuration.

The Zinc Oxide non-linear element in the device has a negative resistance characteristic. This characteristic means that the device offers an increasing amount of resistance as the voltage applied to it increases. The device’s response time is typically 0.1 microseconds meaning it quickly protects the circuit against overvoltages and transients.

The ROV14-471K-2 series of axial lead varistors also offer excellent electrical characteristics. The internal resistance of the device is very low, and it offers very low capacitance. As well as offering excellent surge protection, the device also provides effective electrical noise suppression. The construction of the device is also very robust, and it is able to withstand shock and vibration.

In summary, the ROV14-471K-2 is an excellent device for overvoltage protection. The device offers superb performance in a wide variety of applications, and it is also suitable for use in harsh environments due to its excellent EMI filtering capability. In addition, the device offers excellent electrical characteristics and provides robustness and excellent surge protection.

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