B72220S0400K101

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Surge protection circuits are designed to safely absorb high levels of energy from transients such as electrostatic discharges, power induction, lightning strikes, and other causes of electrical overvoltage. Transient voltage suppression devices, or TVS, are commonly used to prevent damage to sensitive electronic components. One of the most popular surge protection devices is the B72220S0400K101 Varistor.

A B72220S0400K101 Varistor is a metal oxide semiconductor designed to provide surge protection for sensitive electronic equipment. It is characterized by a high capacitance and can absorb large surges of energy without releasing it back into the circuit. The Varistor is composed of two semiconductor layers, one of zinc oxide and the other of silicon, which act together as a diode. When exposed to a voltage spike, the Varistor’s internal capacitance is immediately discharged, absorbing the energy and dissipating it as heat.

The B72220S0400K101 Varistor is used in a variety of applications, such as power supplies, computers, cell phone chargers, uninterruptible power supplies (UPS), and motor drives. It is also used in automotive, aerospace, and industrial applications for surge protection. The device is typically mounted directly to a power line or circuit board, where it will safely absorb excessive surges in energy.

In addition to surge protection, the B72220S0400K101 Varistor can provide EMI/RFI filtering capability in certain applications. This is done by reducing or blocking undesired transients from entering sensitive circuits. By utilizing the Varistor’s high capacitance, it will allow signals with a low frequency to pass through while blocking higher frequency signals.

The B72220S0400K101 Varistor is a versatile device that provides effective surge protection and EMI/RFI filtering. Its high capacitance and low maximum voltage rating make it suitable for a variety of applications, such as power supplies, computers, cell phone chargers, uninterruptible power supplies, and motor drives. It is a cost-effective way to protect sensitive electronic equipment from damage due to excessive energy surges.

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