B72220S1140K102

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Transient Voltage Suppressors, Varistors and Metal Oxide Varistors (MOVs) are widely used as surge protectors or electrical shock protectors. B72220S1140K102 is among the many varieties of these devices available in the market. It is a silicon-based Varistor with a rated voltage of 1140 volts and a rated current of 7.5 Amps.

The application of B72220S1140K102 is mainly found in telecommunications and other high-tech electronics in protecting from risks such as over-voltage, over-current, and ESD or Electrostatic Discharge. It helps to protect the integrated circuits from voltage and current surges, which could otherwise cause damage or destruction of the equipment. It is typically used in telecommunications and IT networks, especially those that are exposed to DC power and for ESD protection for ICs.

The working principle of the B72220S1140K102 is based on the principle of a diode voltage-controlled breakdown. The diode is a two-terminal device that contains a material that is configured such that with an increase in voltage, the diode begins to conduct current. When the voltage reaches a certain level, the diode breaks down and current begins to flow through the device. This is the breakdown voltage of the diode.

The B72220S1140K102 has two distinct modes of operation, namely the dynamic mode and the static mode. In the dynamic mode, the diode functions as a resistance, with a forward current flowing when the voltage across the diode is below its breakdown voltage. In the static mode, the diode functions as a capacitor, with an electric field established between the diode terminals when the voltage is greater than its breakdown voltage. The electric field creates an ion flow that provides a current path for discharging the stored charge.

The B72220S1140K102 Varistor is made up of a Varistor element and a Metal Plate. The Varistor element is composed of a granular material made up of Zinc Oxide, which, when exposed to a high voltage, will experience electrical breakdown resulting in an abrupt surge in current.

The B72220S1140K102 application field is mainly telecommunications, IT networks and circuits that are exposed to direct current power, as the device is designed to offer circuit protection from surges, as well as providing ESD protection for ICs. Furthermore, the Varistor is also widely used in automotive applications as a surge and ESD protection device. It is also used in consumer and industrial electronics, as well as in healthcare and aerospace equipment.

The B72220S1140K102 working principle is based on the principle of a Voltage Controlled Breakdown. It has two operating modes, the dynamic and static modes, in which it provides protection from voltage and current surges as well as providing effective ESD protection. The Varistor element of the device is composed of a granular material made up of Zinc Oxide, which upon experiencing a high voltage will cause an abrupt surge in current. It is mainly used in telecommunications, IT networks and direct current applications as a surge and ESD protection device, as well as consumer and industrial electronics, healthcare and aerospace equipment.

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