TV02W190B-HF Circuit Protection

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TVS diodes, also commonly known as Transient Voltage Suppression (TVS) diodes, are solid state devices used for the protection of circuits from high voltage transients caused by electrical discharges such as lightning. These diodes have extremely fast response times and low breakdown voltages, making them ideal for protection in a variety of applications. The TV02W190B-HF is a TVS diode specifically designed to offer high power dissipation and ESD protection in high voltage applications.

The TV02W190B-HF is a unidirectional surface mount TVS diode that can be used in a variety of high-voltage applications. It features a reverse stand-off voltage of 180V, a breakdown voltage of 400V, and a peak pulse power rating of 600W. Its fast response time of less than 1ns makes it ideal for protecting sensitive electronic components in high-voltage applications.

The working principle of the TV02W190B-HF diode is based on the Avalanche breakdown mechanism. When the diode is reverse biased, the depletion region between the anode and cathode narrows due to the large voltage applied. This causes an increase in electric field strength, which causes the electrons to gain energy and break through the semiconductor’s energy band gap and become free electrons. This process results in a current that is proportional to the applied reverse voltage and is known as the “avalanche effect”. When the diode encounters transient voltage spikes, the current becomes too large for the diode to handle, and so it breaks down and dissipates the excess energy.

The TV02W190B-HF can be used in several applications. It can be used to protect electrical circuits from high voltage surges, such as those caused by lightning strikes and power outages. It can also be used to protect AC/DC power supplies, motor circuits, transformers, telecommunication equipment, and various types of electronic equipment from over-voltage and ESD related damage.

In summary, the TV02W190B-HF is a unidirectional surface mount TVS diode designed to offer high power dissipation and ESD protection in high voltage applications. It is based on the Avalanche breakdown mechanism and can be used to protect a variety of electronic components from over-voltage surges and ESD related damage.

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