B72240L0131K100

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TVS (Transient Voltage Suppressors) and MOVs (Metal Oxide Varistors) are components that are used to provide electrical protection for electronics systems such as consumer electronics, automotive, and telecommunications systems. The B72240L0131K100 is a Varistor that is widely used in such applications. This article provides a brief overview of the application field and working principle of the B72240L0131K100 Varistor.

General Overview of TVS - Varistors, MOVs

TVS components are used to protect electronics systems from transient overvoltages. They act as a “fuse”, by clamping the voltage within a safe operating range. MOVs are one type of TVS components, and they are used to absorb and “distribute” transient voltage spikes, preventing them from reaching sensitive electronics.

The B72240L0131K100 Varistor

The B72240L0131K100 Varistor is a surface mountable MOV component with high surge current capacity and low capacitance. It is RoHS compliant, and it has a lead-free, tin-silver coating. It has a voltage rating of 31kV (clamping voltage) and an operating current rating of 10mA.

Application Field of the B72240L0131K100 Varistor

The B72240L0131K100 Varistor is used in a wide range of electronics applications, from consumer electronics to industrial applications. It is particularly well-suited for automotive applications, due to its high surge current capacity and low capacitance. It is also used in telecom systems and power supplies, where it can be used to provide protection against surges.

Working Principle of the B72240L0131K100 Varistor

The B72240L0131K100 Varistor works by clamping voltage to a safe operating range. When a surge above the clamping voltage is present, the MOV begins to conduct. This limits and distributes the transient voltage, preventing it from reaching sensitive electronics. MOVs are made up of a sintered metal oxide material, which offers a high dielectric strength and non-linear resistance characteristics.

Conclusion

The B72240L0131K100 Varistor is a widely used MOV component with a high surge current capacity and low capacitance. It is RoHS compliant and is suitable for a wide range of applications, including consumer electronics, automotive, and telecommunications. Its working principle is based on clamping voltage spikes to a safe operating range, thereby preventing them from reaching sensitive electronics.

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