ROV14E241K-2

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TVS-varistors, MOVs and other voltage dependent devices play a critical role in the protection of both personnel and sensitive electronic equipment from the damaging effects of power surges. ROV14E241K-2 is a typical voltage dependent device that is used to protect the circuits from over-voltage.

An ROV14E241K-2 is a non-linear, non-polarized, overvoltage protection device typically used in high voltage and high current applications such as surge protection for electronic circuits. It is a three-wire component with two identical 24V ceramics and one 11.5V-16.5V film. The device has a clamping voltage of 12V-24V and a rated current of 600mA. The ROV14E241K-2 is designed for high performance applications that require low surge energy and fast response times.

The device couples the protective elements of both the ceramic and the film in a single housing, limiting the peak voltage to 0.7V above the clamping voltage. Its response time is much faster than the other TVS-varistor devices, making it suitable for quick and reliable protection even in transient overvoltage conditions. The ROV14E241K-2 has self-discharge feature, which eliminates the need for external resistance in the circuit in order to reduce the voltage above clamping voltage.

In terms of application field, ROV14E241K-2 can be used to protect against overvoltages in telecommunication systems, networking, communications, industrial control systems, computers, consumer electronics, medical equipment, and other applications. It can also be used as a low-resistance switching component in AC/DC circuits.

The working principle of the ROV14E241K-2 is based on a semiconductor junction between the metal-oxide film and two cermets. This junction is a space-charge region with a high electric field strength and trapped negative charges. When a transient overvoltage occurs, the voltage across the junction, known as clamping voltage, is exceeded, causing the field strength to bend the space-charge region along the junction and the negative charges to be released, thereby causing a short-circuit between the two ends of the junction.

In summary, ROV14E241K-2 is a high-performance, fast-responding over-voltage protection device that can be used in a variety of applications. It is designed with two identical 24V ceramics and one 11.5V-16.5V film, providing low surge energy and fast response times. It is suitable for use in high voltage and high current applications where fast response is essential. The device, when coupled with the protective elements of both the ceramic and the film, limits the peak voltage to 0.7V above the clamping voltage and eliminates the need for external resistance in the circuit.

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