2N6505G

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Thyristors - SCRsThe 2N6505G is a type of silicon controlled rectifier (SCR). SCR\'s are thyristors, which are devices composed of four layers of alternating n-type and p-type semiconductor materials. Thyristors are also known as silicon controlled switches (SCS) and gate turn-off thyristors (GTO). Thyristors are used in various applications, such as power electronics, UPS systems, DC to AC power converters, and more.The main purpose of a thyristor is to act as a switch, either controlling the flow of electrical current from a source to a load, or to limit and regulate it. An SCR is most commonly used for controlling power in AC circuits, and is often used in applications ranging from household appliances to industrial machinery.The 2N6505G is specifically a four layer, two-terminal SCR with a breakdown voltage of around 15 A. It is a general-purpose SCR, designed for use in low-frequency switching applications, such as those involving AC power, motor control, and timing. It is a low-resistance device, with a relatively low on-state voltage drop of around 0.3 volts.The working principle of a 4-layer SCR is simple. When a current greater than the device\'s current-triggering level is applied, the SCR switches on, allowing current to flow from the anode to the cathode. This switching process is known as "latching". Once the SCR is switched on, it can\'t be turned off until its current drops below the holding current. This allows current to continue flowing, even after the trigger current is removed.The primary application fields for the 2N6505G SCR are power electronics, including power conversion and motor control systems, as well as AC and DC power supply systems. It is also used in timing circuits, and in some lighting control systems. Its low-leakage current feature makes it ideal for use in low-powered environments, such as in solar and battery-operated systems.In conclusion, the 2N6505G SCR is a versatile, general-purpose device, suitable for a wide range of applications. Its four-layer structure and two-terminal design make it easy to use and configure, while its low-voltage drop and low-leakage current features make it well-suited for low-power systems. Its primary application fields include power electronics, AC and DC power supplies, motor control, and timing systems.

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