B72220Q0131K101

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TVS (Transient Voltage Suppressor) devices are ideally suited for protecting a circuit from voltage transients caused by lightning, reversed battery connections, electrostatic discharge, inductive switching, and electric motor run-up. Among varistors, MOVs (Metal-Oxide Varistors) are particularly well suited for these applications, as they provide reliable protection against transient voltages while mitigating the risk of catastrophic failure in the event of an overload. The B72220Q0131K101 device is one such type of MOV, and is designed to provide superior protection against the aforementioned threats.

The B72220Q0131K101 device, manufactured by Infineon, is an ultra-wide band gap MOV with an operating voltage of 400V AC. Its optimized power rating allows it to clamp up to 3250A peak surge current, making it suitable for use in a variety of demanding applications in the automotive and industrial sectors, including voltage spike protection, surge protection, electrical noise filtering, and voltage regulation. Additionally, its wide operating temperature range from -55 to +150 °C makes it suitable for a wide range of environmental conditions.

The B72220Q0131K101 takes advantage of the underlying principles behind MOV technology to provide superior protection against transient voltage spikes. When struck by an abnormally high voltage, the device behaves like a resistor; current flows through the device, voltage is dissipated as heat, and the transient is thereby prevented from reaching the system’s sensitive components. This dynamic ‘clamping’ effect is possible due to the metal-oxide semiconductor layer, which comprises the heart of the MOV. This layer, made up of zinc oxide grains, is capable of greatly increasing its resistance in response to voltage, thus protecting the system’s components.

Another important feature of the B72220Q0131K101 is its ability to ‘self-heal’ in the event of an overload. During a heavy current surge, the zinc oxide layer is heated and is able to redistribute the current, leading to automatic restoration of the system. This helps to ensure that the device does not suffer catastrophic failure in the event of an overload, preserving system safety and reliability over the long term.

The B72220Q0131K101 is suitable for a wide variety of applications, including voltage regulation, surge protection, voltage spike suppression,and current limiting. Its ultra-wide band gap and robust self-healing capabilities make it ideally suited for harsh environments that can be subject to unpredictable voltage transients, such as those found in the automotive and industrial sectors. With its durable construction and wide operating temperature range, the device is sure to provide reliable protection against transient voltage surges for years to come.

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