V175LC20APX2855

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TVS - Varistors, MOVs are electrical components used mainly for controlling electrical overvoltage, both transient and continuous. The V175LC20APX2855 is one such component. This article will explain its application and working principle.

Application:

The V175LC20APX2855 is a low-capacitance bidirectional, unipolar transient voltage suppressor (TVS) Diodes designed to protect two- and four-wire communications line from high-energy voltage and current transients. It can be used in airbag classification circuits, communication port circuit protection, automotive infotainment networks, antennas, and in a variety of other electronic applications.

The device is designed to protect from overvoltage transients such as Electrostatic Discharge (ESD), Inductive Switching Transients, and Transient Vehicle Bus Voltages (TTVB). It can also be used to protect from continuous overvoltage spikes. It is also effective in suppressing spikes caused by a power supply interruption and recovers quickly when the voltage returns to normal.

Working Principle:

The V175LC20APX2855 transient voltage suppressor (TVS) is an electronic device designed to limit disruptive high-voltage transients. It employs a robust metal-oxide-semiconductor structure, which operates in conjunction with an avalanche breakdown region to limit the applied voltage. When a high transient voltage is applied to the device, the metal-oxide-semiconductor structure quickly conducts a current, which is then diverted to the avalanche breakdown region. This rapid conduction prevents the transient voltage from damaging the device.

The device protects against both continuous and transient overvoltage conditions. When the transient has passed and the voltage returns to normal, the metal-oxide-semiconductor structure snaps back and the device is ready for the next transient surge. The device can also be used to protect against continual overvoltage, which is useful in applications such as communication ports and signal connectors where a continuous or pulsed voltage spike is possible.

Conclusion:

The V175LC20APX2855 is an excellent low-capacitance TVS diode, designed to protect electronic devices from high-energy voltage and current transients. It is well-suited for applications where a transient surge is highly possible, such as communication ports, signal connectors, airbag classification circuits, and automotive infotainment networks. Its robust metal-oxide-semiconductor structure quickly conducts a current to the avalanche breakdown region, protecting the device from damage. The device is also effective in suppressing spikes caused by a power supply interruption and recovers quickly when the voltage returns to normal.

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