ROV10H470K-S

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Varistors or Voltage Dependent Resistors (VDRs) are passive components which allow a sudden drop in impedance depending on the overvoltage that passes through them. They are especially suitable in applications where high pulse strength and large current pulses occur. The ROV10H470K-S is a high power, radial lead varistor designed for applications requiring up to 470VAC. It is designed with multiple voltage options and low parasitic capacitance, making it suitable for use in a wide variety of applications.

The ROV10H470K-S is constructed from a Multilayered Varistor Technology (MVT), which gives it a small footprint and fast response times. This varistor is also able to absorb large amounts of energy in a short amount of time, making it ideal for suppressing high voltage and large current spikes.

The ROV10H470K-S varistors are used in many applications such as overvoltage protection, power supply filtering, lightning protection, motor control, and surge protection. In overvoltage protection applications, the varistor works by shunting excessive voltage away from the protected system, ensuring that all other components remain safe. In power supply filtering applications, the varistor filters out any noise which might be present in the power supply. In lightning protection systems, the varistor helps dissipate the energy from a lightning strike so that the system remains intact.

As far as working principle goes, the ROV10H470K-S varistor works by sensing a sudden increase in voltage and then quickly shifting to low impedance. This reduces or eliminates any transient energy which could cause harm to the system. This low impedance then dissipates the excess energy until the levels return to normal. This protection process happens in nanoseconds, so any potential hazards are prevented before any damage can occur.

Overall, the ROV10H470K-S is an ideal choice for many overvoltage protection and power supply filtering applications due to its high power, multiple voltage options, low parasitic capacitance, and Multilayered Varistor Technology. With its fast response time and ability to dissipate large amounts of energy, the ROV10H470K-S varistor is the perfect choice for any high voltage or surge protection situation.

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