TVA170SA-L Circuit Protection

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Thyristor is the common name for silicon-controlled rectifiers (SCR), a type of power semiconductor device, and the TVA170SA-L is one of them. A thyristor is a three-terminal electronic component made of silicon. It can be used in sometimes quite complex circuits to control the supply of electricity to a load.Thyristors have a wide range of applications including: electric motor control, battery chargers, power supplies, electronic ignition systems, high voltage switching, light controlling and DC or AC power switching.

The TVA170SA-L is a high voltage, high speed, three-contact thyristor, specifically designed for a wide range of voltage, power and current applications. It has a maximum tolerable repetitive peak reverse voltage up to 1200V and can be used in switching power and controlling energy. The TVA170SA-L has a high surge current capacity and is able to withstand power surges up to 800A. It is also capable of providing short circuit protection with the addition of a small bias current.

The working principle of the TVA170SA-L involves the flow of current between two terminals, the anode and the gate, in the direction of the arrow. When sufficient voltage is applied to the gate, it triggers a switching action that allows electricity to flow from the anode to the cathode. Current then continues to flow between the anode and cathode until the voltage between them drops below a minimum threshold, at which point the thyristor turns off and the circuit is broken. The TVA170SA-L can be used in many applications, including renewable energy systems, solar lighting systems, LED lighting, power inverters, power control systems and electric vehicles. The thyristor can also be used in power electronic circuits to control the speed of electric motors. Thanks to its thermal shock resistance and very low thermal resistance, TVA170SA-L thyristors can be used in circuits operating up to a temperature of 100°C.

The main characteristics of the TVA170SA-L include its high surge current capacity, low on-state voltage drop and high commutation speed. It has a high breakdown voltage rating and is capable of withstanding reverse voltages up to 1200V. The low thermal resistance of the TVA170SA-L enables it to operate up to 100°C ambient temperature range. Furthermore, its small size and high speed switching capabilities makes it ideal for a wide range of applications, such as power factor correction and snubber circuits.

Overall, the TVA170SA-L is a highly efficient and reliable thyristor suitable for a wide range of power control applications. Its high surge current capacity and low on-state voltage drop ensures that it is capable of handling moderate to high power loads. Furthermore, its high commutation speed and low thermal resistance means that it is able to operate at high power levels without compromising its longevity. The TVA170SA-L is a powerful and robust device that can effectively control the flow of electricity in a variety of applications.

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