B72530V0110K062

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A varistor, also known as Voltage Dependent Resistor (VDR) or Metal Oxide Varistor (MOV), is a device used to protect electrical circuits from overvoltage transients. It consists of a semiconductor material such as metal oxide, which has a polycrystalline structure, which is non-linearly conductive. The semiconductor material is typically an oxide, such as zinc or comegen, or sometimes a nitride. This is sandwiched between two electrodes, usually of a metal or metal-oxide type.

The B72530V0110K062 is a metal-oxide varistor (MOV) of the series B725. MOVs are non-linear, voltage-dependent resistors used to protect against high voltage transients, such as those caused by lightning or nearby powerline disturbances. The B72530V0110K062 is rated for a peak pulse current of 50 A (8/20 us waveform), a maximum surge current of 100 A (8/20 us waveform), and a hold-off voltage of 30 V.

The application field of the B72530V0110K062 is mainly lightning-surge protection in residential and industrial equipment applications such as control cabinets, switchgear, and consumer electronics devices, such as TV sets and computers.

This varistor has a superior response time compared to traditional varistors, and can protect against electrical stresses up to 18 times increase from its rated voltage. This provides a significant improvement in the level of surge suppression for equipment protection.

The working principle of the B72530V0110K062 is based on its non-linear resistance characteristics. When the voltage across the varistor is below its rated voltage, its resistance is high, so current through the device is low. Above the rated voltage, the resistance decreases, so current through the device increases. This provides the protection against overvoltage transients, since the device dissipates the energy from the high voltage transient and the current level will not exceed the varistor’s rated current.

The B72530V0110K062 provides reliable overvoltage protection for both AC and DC circuits, and its superior surge protection makes it ideal for protecting all types of equipment from overvoltage transients.

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