B72205S0421K311

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TVS (Transient Voltage Suppressor) - Varistors, MOVs are devices often used in the protection of circuits from high voltage transients arising mainly when some external circuit is connected or disconnected. The B72205S0421K311 is a surface mount type of Transient Voltage Suppressor that is available as an SMD (Surface Mount Device) with terminals in a 0805 footprint. It is commonly used to protect sensitive components from the adverse affects of high voltage transients.

The B72205S0421K311 Transient Voltage Suppressor is a device composed of two elements that can act as spark gaps. The two elements are an anode layer and a cathode layer. The anode layer is made of an electrically conductive material, while the cathode layer is made of an insulated material. The anode-cathode gap acts as a spark gap; when the gap is greater than the breakdown voltage, an electrical arc will occur across the gap. The resulting spark then produces high temperature plasma and raises the current as well. This phenomenon is known as the avalanche effect.

The B72205S0421K311 is a device intended to protect against high voltage spikes or impulses. It is rated for a peak pulse current of up to 8.3A, and a clamping voltage of 10V. This device can also be used as an impulsive protection element for other electronic components that are susceptible to high voltage transients. This means that a B72205S0421K311 Transient Voltage Suppressor can be used to provide protection against transients caused by connecting or disconnecting external circuits.

The working principle of the B72205S0421K311 is quite simple. The device is composed of two terminals that act as spark gaps. When a high voltage pulse is applied across the terminals, the gap between the two terminals absorbs the energy. This causes the current to increase and raises the temperature of the terminals. This is the avalanche effect, which reduces the applied voltage of the pulse and thus protects the circuit.

The B72205S0421K311 has wide range of application. It can be used as an impulsive protection device for various sensitive electronic components and circuits that are susceptible to high voltage transients. The device can also be used in power supplies, voltage regulators, and various electronic circuits such as amplifiers, microprocessors, ADCs, DACs, etc. It is also suitable for automotive applications, industrial applications, and medical devices.

In summary, the B72205S0421K311 is a surface mount type of Transient Voltage Suppressor that can be used to protect sensitive electronic components from high voltage transients. It is composed of two terminals that act as spark gaps and it is rated for a peak pulse current of up to 8.3A, and a clamping voltage of 10V. This device has a wide application including automotive, industrial and medical applications. The working principle of the B72205S0421K311 is simple, and it utilizes the avalanche effect to absorb the energy of transients and thus protect the circuit.

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