VE17M00321K

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TVS (Transient Voltage Suppressors) are electrical components designed to detect and safely divert transient overload voltage surges. TVS usually come in one of two formats, Varistors or MOVs (Metal Oxides Varistors). The VE17M00321K series is a type of varistor and is applied across a range of applications requiring electrical surge protection. In this article, we discuss the application field and working principle of VE17M00321K.

The VE17M00321K series is an ultra-low capacitance radial lead surface-mount Varistor, designed to provide cost-effective and space-saving protection against transient voltage surges. This varistor is ideally suited for high-speed data lines and analog signal lines in consumer electronics. It is also used for single board computers, HDDs, circuit boards and central office DSL systems, among many other areas of application.

The VE17M00321K is a high-temperature, high power varistor with reliability and consistent performance. It has an automated production process that ensures excellent temperature performance and uniformity. Its low capacitance makes it ideal for high-speed data lines, and it has excellent ESD resistance for robust protection against transients. It operates in a wide voltage range of 3.3V to 500V and has a working temperature range of -40° to 85°C (-40° to 185°F).

The working principle of the VE17M00321K varistor is based upon its electrical characteristics. This varistor has a non-linear voltage-current (V-I) characteristic. This means that if the varistor is exposed to an AC voltage, it will only conduct current when the voltage exceeds its rated value. At higher voltages, the current increases exponentially. Once the varistor reaches its maximum current capacity, it will divert the current away from the circuit, protecting it from electrical surges.

The device works by clamping the voltage at its specified level. This helps to limit the peak voltages and currents in a circuit. The VE17M00321K varistor features a clamping voltage of approx. 17V with a capacitance of 3.2pF typical. This allows the device to reduce noise and enable high-speed data transmission even in noisy environments.

Overall, the VE17M00321K series is an ultra-low capacitance radial lead surface-mount varistor designed to provide cost-effective and space-saving protection against transient voltage surges. It is used across a wide range of applications from consumer electronics to single board computers. Its non-linear V-I characteristic and low capacitance makes it an ideal choice for high-speed data lines and analog signal lines. This varistor also features high temperature and ESD resistance to ensure consistent performance.

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