VS-2N682

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SCRs (Silicon Controlled Rectifiers) are a type of thyristor, a four-layer semiconductor device. These four layers allow SCRs to be used as a switch to control large amounts of current by applying small amounts of current and voltage. This makes them incredibly useful in a wide range of applications such as switching bulk loads of electrical power, heating, lighting, and motor control. One of the most common applications of SCRs is in the VS-2N682, which is a half-controlled, surface-mounted SBR (silicon-controlled rectifier) used for high-power applications.

The VS-2N682 is designed to control large amounts of power in a small package. It is made from sintered pieces of silicon, nickel and other elements, with a terminal for each of the three layers that are used. It has a very high power dissipation and is rated for use up to 500V and 14A.

The working principle of the VS-2N682 is quite simple, and is based on the fact that it is a half-controlled switch. When a trigger is applied, the SCR will turn on and provide a path for current. This is done by creating a negative voltage potential between the three layers, preventing current from taking any other path. When the trigger is removed, the negative potential disappears, allowing current to pass through a different path.

The actual application field of the VS-2N682 depends on its use case. It can be used in AC or DC circuits and can handle both low and high voltages. It is commonly used in the field of motor control and for load switching, regulation and relay contactor applications. It is also used to control the power supply for arc welding systems, electronic transformers, and lighting systems.

In summary, the VS-2N682 is a half-controlled, surface-mounted SBR that is designed for high-power applications. It is able to control large amounts of power in a small package, and its applications include motor control, load switching, regulation, relay contactors, and more. Its working principle is based on the fact that it is a half-controlled switch and is able to create a negative potential between the three layers when a trigger is applied, allowing current to take only one path.

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