ROV14-821K

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TVS (Transient Voltage Suppression) and MOV (Metal Oxide Varistor) devices are commonly used to provide surge protection against voltage spikes caused by lightning strikes, power outages, electrostatic discharges, etc. These devices are designed to absorb the energy of the voltage spike and dissipate it in a safe way, preventing it from damaging electrical and electronic components. The ROV14-821K is one such device, designed to provide robust and reliable overvoltage protection.

The ROV14-821K is a four-terminal, two-stage surge protection device. It is a unidirectional device, providing low clamping voltage (Vc) for both high-energy (ESD) and lower-energy (1.2/50μs) applications. The device has a peak peak power rating of 8A, a peak surge current rating of 200A (8/20µs) and a maximum continuous operating voltage (Vcc) of 400V. The ROV14-821K also has excellent surge surge protection over a wide operating temperature range of -45 to +125°C.

The primary application of the ROV14-821K is as a transient voltage suppressor in communication systems, instrumentation and industrial equipment. It can be used in applications ranging from telecoms to automotive to consumer electronics. In addition, the device is suitable for a variety of power line protection, such as overcurrent, overvoltage, reverse polarity, and power line interference protection. The device is also capable of handling high-frequency interference, such as from EMI or ESD.

The working principle of the ROV14-821K is based on the Zener semiconductor effect, which is a diode switching mechanism which operates on the principle that the forward voltage applied to the diode is reduced when the current flowing through the diode is greater than the Zener Voltage. When the voltage exceeds the Zener voltage, the diode acts as a resistor, limiting the current. This limits the current and protects the circuit from damage.

The device works by clamping the voltage by providing a low clamp voltage for both high-energy transient overvoltages and lower-energy (1.2/50μs) applications. The device is designed to protect a broad diversity of systems by providing robust surge protection against a wide range of electrical surges. The device is designed to handle high peak currents and is able to provide excellent surge/surge protection over a wide operating temperature range, making it an ideal choice for a variety of applications.

In summary, the ROV14-821K is a four-terminal, two-stage surge protection device designed to provide robust and reliable overvoltage protection. It is a unidirectional device, providing low clamping voltage for both high-energy (ESD) and lower-energy (1.2/50µs) applications. The device is suitable for a variety of power line protection, such as overcurrent, overvoltage, reverse polarity, and power line interference protection. The device works based on the Zener semiconductor effect and is designed to protect a broad diversity of systems by providing robust surge protection against a wide range of electrical surges. The device is well-suited for applications ranging from telecoms to automotive to consumer electronics.

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