B72240L0751K102

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TVS - Varistors, MOVs

The B72240L0751K102 is a part of the varistor family. Varistors, usually known as voltage-dependent resistors (VDRs), are very different from traditional resistors as they contain extremely high nonlinear capacitance. The most common type of varistor is the metal oxide semiconductor (MOS) varistor that has a breakdown voltage generally between 5 and 100V. The primary function of a varistor is to provide over-voltage protection, but other functions such as peak current limiting, pulse current limiting, and signal line protection can also be provided.

In comparison to resistors, a varistor has higher capacitance at lower voltages while having low capacitance at higher voltages. It functions like a voltage-dependent switch that can be used to protect electrical circuits in the event of a surge or short circuit. When a voltage surge or short circuit occurs, the varistor will become conductive, limiting the current and protecting the circuit from electrical damage.

The B72240L0751K102 is a type of MOV (metal-oxide varistor). MOV is a nonlinear electrical component that has electrical properties that depend on the applied voltage. It functions similarly to a resistor but is temperature-sensitive, allowing it to respond to changes in external temperature. MOVs provide excellent over-voltage protection and have surge-dissipating capabilities. MOVs can be used to protect against voltage surges, high inrush current, and short circuits.

The B72240L0751K102 is specifically designed to have a low capacitance to reduce the risk of overvoltage damage. It is a Surface Mount MOV designed for a wide range of applications, including automotive, telecommunications, and industrial applications. This device is suitable for high-frequency filtering in the automotive and telecommunications fields, and it is also ideal for protection against lightning-induced surge or ESD (electrostatic discharge) protection.

The working principle of the B72240L0751K102 is the same as any other MOV or varistor. When the applied voltage exceeds the specified breakdown voltage rating, the varistor will become conductive, limiting the current and providing protection from damage. The device also has an important function of dampening voltage transients, which reduces the potential damage caused by voltage spikes.

Overall, the B72240L0751K102 provides robust protection from overvoltage and other common threats. It is suitable for a wide range of applications, from automotive and telecommunications to industrial applications, offering excellent signal line protection for high-frequency equipment. The varistor provides effective protection against surges, high inrush current, and short circuits, while also dissipating voltage transients.

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