BD679AS

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The BD679AS single bipolar junction transistor (BJT) is a general-purpose device used in many applications. It is used in switching, amplification and signal processing. It is used in a wide range of applications including audio, communications, instrumentation, consumer electronics and automotive.

The BD679AS is a NPN transistor. It consists of three layers of semiconductor material, each layer connected to a different part of the transistor. The layers are the base, the collector and the emitter. The base is the layer where the control current flows, and the collector and emitter are the layers from which the output current flows.

The BD679AS is capable of handling a maximum collector current of 500mA and a maximum voltage of 50V. It has a high gain bandwidth product of 15MHz and a maximum collector-emitter saturation voltage of 0.2V. It is also very stable with a gain of 400 at 5mA.

The BD679AS is usually used in two different types of applications: switching and amplification. In switching applications, the transistor acts as a switch to turn on and off a larger current or voltage. In amplification applications, the transistor is used to amplify a signal. The input signal is applied to the base of the transistor and the amplified signal is output from the collector of the transistor.

The working principle of the BD679AS is based on the principle of a transistor. The two main components of a transistor are the base, collector and emitter. The base is an open circuit while the collector and emitter are connected to an external power source. When a voltage is applied to the base, the current carrying power flow is increased and this increases the current between the collector and emitter, causing the transistor to conduct.

The BD679AS is a versatile and reliable device that can be used in a variety of applications. It has a high gain bandwidth product and can handle large amounts of current, making it suitable for high speed switching and amplification applications. Its stability and low voltage requirement makes it the ideal choice for many applications.

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