2N686

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Thyristors - SCRs

A thyristor is a four-layer semi-conductor device, with each layer consisting of alternately N and P-type material. It is also known as a silicon control rectifier (SCR) or a thyristor, and is commonly used in switching applications.

2N686 is a type of thyristor that is popularly used in a variety of applications. It is usually used in devices such as AC and DC power switches, UPS systems, induction heating systems, motor controls and other electronic appliances.

Application Field

2N686 can be used in a number of applications. It is commonly used in AC switching applications and DC switching applications. For example, it can be used in motor control circuits, induction heating, AC/DC rectifiers, UPS systems, welding machines, high-current switching and rectifying.

It is also used for sensing and controlling current in various AC and DC control systems, such as control of electric motors, lighting systems, power supplies, sound systems, alarms and other electronic circuits. 2N686 has a low on-state resistance, is easily integrated with other circuit elements and has high power capabilities. It is also suitable for use in applications that require high-speed switching and controlling of high-current pulses.

Working Principle

The 2N686 thyristor operates by latching the current. When a forward current is applied to the anode, a charge is stored in the gate and the thyristor gets turned on. When a reverse current is applied, the charge is removed and the device gets turned off.

The turn-on and turn-off of the device can be controlled by adjusting the voltage applied at the gate terminal. The adjustment of this voltage determines whether the device is turned on or off. As the voltage is increased, the current flows through the device and increases its impedance, which reduces current flow.

2N686 thyristors are also used in a number of other applications such as frequency conversion, AC and DC motor control, electronic ballast, UPS systems, electronic lighting and electric vehicle charging stations. They are ideal for applications that require high current switching and they have a high reverse blocking voltage of up to 600V.

2N686 thyristors provide a simple and inexpensive solution to high-current switching requirements. They are reliable and long-lasting, making them perfect for a variety of applications.

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