BC560C

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BC560C is a general-purpose bipolar junction transistor (BJT) with high current gain and low collector–emitter saturation voltage. It is widely used in a variety of digital and analog circuits, including audio amplifiers, oscillators, and rectifiers. In this article, we will discuss the application field and working principle of BC560C.

Application Field of BC560C

BC560C is a popular BJT used in digital and analog circuits. The device has high current gain, low collector–emitter saturation voltage, and low noise. It is commonly used in audio amplifiers, linear amplifiers, oscillators, and rectifiers. In audio amplifiers, the BC560C is used to amplify audio signals. In linear amplifiers, it is used as a pre-amplifier or as a driver stage. In oscillators, the BC560C is used to generate sine and cosine waves. Lastly, in rectifiers, the BC560C can be used to convert AC to DC power.

Working Principle of BC560C

The BC560C is a BJT that operates on the basis of current applied between the emitter and collector. A BJT consists of three terminals: the emitter, base, and collector. The emitter and collector are connected to an external circuit, and the base is connected to a voltage source. In BJTs, the base current controls the collector current and the base-emitter voltage. As the base current increases, the collector current also increases, and the base-emitter voltage drop decreases. This is known as the active region of the device.

When the base current increases beyond a certain point, the collector current starts to saturate and the base-emitter voltage begins to increase. This is known as the saturation region. In the saturation region, the collector current is limited and is determined by the device parameters such as the collector-emitter saturation voltage, the current gain, and the collector resistance. Thus, the collector current is determined by the base current and the device properties.

In addition, the BC560C also features a reverse breakdown voltage which controls the maximum reverse voltage that can be applied to the collector. This voltage is typically in the range of 10-20V. When the applied reverse voltage exceeds this value, the device is destroyed. This is known as avalanche breakdown.

Conclusion

In summary, the BC560C is a general-purpose bipolar junction transistor (BJT) with high current gain and low collector–emitter saturation voltage. It is widely used in digital and analog circuits, including audio amplifiers, oscillators, and rectifiers. The working principle of the BC560C is based on controlling the collector current through the applied base current, and the current gain, collector-emitter saturation voltage, and collector resistance of the device determine the collector current. Finally, the BC560C also has a reverse breakdown voltage which limits the maximum reverse voltage that can be applied to the collector.

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