B72220P3461K101

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Transient voltage suppressors (TVS), metal oxide varistors (MOVs) and other forms of surge arrestors are essential components of many modern domestic and commercial electronic systems. B72220P3461K101 is one such component. It is designed to provide protection against both input overvoltages and input induced transient fluctuations. So, what is the application field and working principle of this component?

B72220P3461K101 is a bidirectional surge diverter designed to protect against high voltage transient overshoots, based on metal oxide varistor technology. It has a peak surge rating of up to 350A and a maximum clamp voltage of 64V, making it suitable for protection of systems against voltage spikes and transients. It is typically used in household appliances, communications equipment, automotive electronics and other consumer electronics systems.

The working principle of the B72220P3461K101 is based on the metal oxide varistor principle. This means that it uses the properties of variable resistors to limit an excessive voltage or current from entering a system to a safe level. The component has a number of metal-oxide layers which, when the voltage surpasses a certain level, provide a conductive path to divert the surge or high voltage away from the protected system. The component can support bidirectional voltage, making it suitable for use on both DC and AC circuits.

In operation, the B72220P3461K101 component acts as a voltage clamp and uses a zinc oxide network to absorb any transient energy. As the voltage increases, the resistance in the varistor decreases, and so the voltage is clamped within an acceptable range. Since it is a non-linear device, the component is able to effectively dissipate large, transient energy levels and acts as a surge diverter at the same time. This makes it ideal for use in applications that require protection from both direct voltage surges and transients such as those that can be caused by lightning and other sources.

The B72220P3461K101 is designed for applications with input voltages of up to 350VAC, at frequencies of 50 or 60Hz. It has a very low leakage current and is designed for operation at temperatures up to 85°C, making it suitable for use in many different types of environments. The component is also available in RoHS compliant and ‘green’ versions so as to meet the needs of many modern electronics applications.

In summary, the B72220P3461K101 is a bidirectional, metal oxide surge diverter designed for protection against overvoltage transients such as those caused by lightning and other sources. It operates using the metal oxide varistor principle and has a peak surge rating of up to 350A and a maximum clamp voltage of 64V. The component is suitable for use in many different types of systems, including those that require protection from both direct voltage surges and transients.

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