VC2220K501R130 Circuit Protection

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TVS (Transient Voltage Suppressor) devices are one kind of protective devices used for protecting overvoltage, overcurrent and ESD (Electrostatic Discharge) events. Varistors, MOVs (Metal Oxide Varistor) and zener diodes are the three common types of TVS. The VC2220K501R130 is an example of one of the most popular varistor models available in the market today.

A varistor is a component that is designed to limit the voltage that is applied to a given circuit. It has a movable contact that is connected to a resistor that is used to reduce the voltage applied to the circuit. The VC2220K501R130 is a UL (Underwriters Laboratories) approved varistor that is rated for up to 130 VDC. This makes it suitable for use in a wide range of applications, including residential, commercial, and industrial settings.

The VC2220K501R130 uses a metallized zinc oxide material as the movable contact, which is what allows it to limit voltage surges. This material consists of granules that are compressed together under high pressure and temperature, which creates a stable and uniform contact surface. Once the movable contact is engaged, the resistance of the device increases, which limits the voltage applied to the circuit. The device is then able to absorb voltage in excess of 130 VDC before it reaches the equipment and causes damage.

In addition to limiting voltage surges, the VC2220K501R130 can also be used as an ESD protection device. This device has a pulse current rating of 790A (8/20 microseconds) and a maximum discharge energy of 22J. This makes it suitable for use in applications that are exposed to high levels of ESD. The device is also able to dissipate up to 1.6W of energy, which allows it to withstand higher fault currents.

The VC2220K501R130 is a popular varistor model due to its wide range of ratings and its ability to provide reliable protection to a variety of applications. It is commonly used in residential, commercial, and industrial settings as an ESD protection device and to protect against voltage surges. The device’s wide range of ratings and its ability to absorb overvoltage make it an ideal choice for any application that is exposed to high levels of ESD and voltage surges.

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