B72210S1140K151

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TVS- Varistors, MOVs are an integrated unit of transient voltage suppressors whose wide range use and application fields are typically compounded with surge suppression. The B72210S1140K151 is one such element whose potential APPLICATION FIELD and WORKING PRINCIPLE is discussed below.

Application Field

The B72210S1140K151 is essentially a Axial Lead TVS-Varistor that has a maximum peak pulse power (Ppp) of 140KW, a maximum rating voltage of 330V and a total capacitance of 340pF. It is a RoHS compliant, curved device that provides a very high reliability, minimizing the possibility of an electric breakdown. The B72210S1140K151 is used mainly for Unidirectional protection against ESD[1]. This component is commonly provided to telecommunications, mobile communications, and other electronic systems like Transceivers, Modems, IVRS, digital multimedia players, etc. It also finds itself being used in normal household appliances like washing machines, toasters, temperature controlling devices and others that require reliable voltage regulation.

Working Principle

B72210S1140K151 is most commonly used for ESD[1] (Electrostatic discharge) protection. In the working of this device, the capacitor stores the electrical charge while the varistor [2] portion helps in the prevention of complicated voltage surges. The total capacitance of 340pF, the maximum rating voltage of 330V and the peak pulse power (Ppp) of 140KW helps in the regulation of current surges with high levels of efficiency. The capacitance element helps in the suppression of common mode noise and in the balancing of differential noise [3] which can be very hazardous when it comes to systems such as consumer electronic equipment. Due to this, the B72210S1140K151 can be used for both unidirectional and bidirectional protection.

The varistor [2] element helps to reduce the physical size of the device, providing a higher degree of reliability in the control of voltage surges. It works on a principle known as non-linear resistance. This principle is based on the properties of semiconductors which is the basis of many electronic devices. During the operation of the B72210S1140K151, the varistor [2] helps in the limitation of high voltages. This limitation is done by raising the resistance between two points and then reducing it as soon as the voltage level is back to normal. This helps in the maintenance of a safe working voltage level and is the key to its effectiveness.

The B72210S1140K151 is also designed to be a protection device against large inrush currents that can occur in the power supply stages of electrical and electronic systems. It helps in the regulation of these large inrush currents. This prevents overloads, damages, or other problems that can occur in systems due to these inrush currents. This helps to protect the system’s performance and reliability.

Conclusion

The B72210S1140K151 is a RoHS compliant, Axial Lead TVS-Varistor with a peak pulse power of 140KW, a maximum rating voltage of 330V, a capacitance of 340pF and a high level of reliability. The primary APPLICATION FIELD of this component is for protection against ESD[1] and inrush current protection. It also finds itself being used in normal household appliances like washing machines, toasters, temperature controlling devices and others. The WORKING PRINCIPAL of this component is based on a non-linear resistance which helps in the regulation of current surges with high levels of efficiency.

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