2N691

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Thyristors, also known as SCRs, are semi-conductor devices with three or more terminals used for electrical switching and power control. The 2N691 Thyristor is a three-terminal device with an integrated gate and is used to control or switch large currents or voltages in stationary industrial equipment.

The 2N691 provides a variety of application fields, particularly in power electronics. It can be used for power conversion, motor control, phase control, rectifying, switching and static switching relays. It is ideal for control of power supplies, inverters, servo motor control systems, motor starters, uninterruptible power systems, induction heating systems and other industrial applications.

The 2N691 Thyristor has two main modes of operation: breakover and bidirectional thyristor switching. In breakover operation, the gate voltage is not a controlling parameter as it is in bidirectional thyristor switching. In this mode, current flow is initiated when the forward voltage of the device exceeds its rated breakover voltage. The device then operates as a normally-on switch until the current passing through it falls below a given threshold value. In bidirectional thyristor switching, the thyristor is initially opened using a control voltage at the gate terminal, and then closed by applying a reverse voltage across its main terminals. The device is opened or closed by controlling the difference between the forward and reverse voltages.

The 2N691 Thyristor is a low-cost, three-terminal, low power device that offers high current and voltage switching capability in a small package. It is a fast switching device with turn-on time of 0.3 μs and turn-off time of 0.5 μs, enabling it to be used in a wide range of applications. The maximum working voltage of the device is 800V and the maximum current is 5A. It has an excellent thermal stability and its gate drive voltage is between 5V and 15V.

The 2N691 Thyristor is a reliable, robust and versatile semi-conductor device capable of providing a wide range of power control applications in a wide range of industries. It provides reliable operation and high reliability when used correctly. Its three-terminal form factor enables it to be used in a variety of configurations and applications. In addition, it provides an easy-to-use, cost-effective solution for control of large currents or voltages in stationary industrial equipment.

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