BC858B,235 Discrete Semiconductor Products

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A BC858B,235 (or BC858B) is a single transistors bipolar junction transistor (BJT). It is an electronic component with both NPN and PNP elements which can be used in a variety of electronic applications, such as amplifiers, oscillators, and digital signal processing circuits.

Application Field of BC858B,235

The BC858B,235 is mainly used in low-noise amplifiers, audio and signal amplifiers, cross-overs, instrument amplifiers and many other applications related to audio and video processing. Its extremely low noise characteristics make it ideal for many signal-processing projects. Additionally, the BC858B,235 can be used to provide excellent gain, phase linearity and harmonic distortion reduction in a variety of linear circuit applications.

Its high current-handling capacity and low-impedance output also make it an excellent choice for receiver applications. The low reverse transfer adhesion and excellent thermal stability of the BC858B,235 also provide a very robust operating performance in high-frequency applications.

Working Principle of BC858B,235

The BC858B,235 operates on the principle of bipolar junction transistors, meaning that it has both N-type and P-type devices. The BC858B,235 has a single PNP, or positive-negative-positive, junction, meaning that positive current flows in one direction while negative current flows in the other. This junction allows the transistor to act as a current amplifier or switch, depending on the type of external current applied to it.

When the voltage applied to the base connection of the transistor exceeds the diode threshold voltage (V_BE), a current flow occurs from the base to the collector. This causes current to be amplified, in direct proportion to the voltage applied. This amplification process is known as current gain, or beta.

The BC858B,235 transistor is designed to operate in a variety of conditions and has very high current-handling capabilities. It has excellent thermal stability and can offer excellent gain and phase linearity, with minimal harmonic distortion. It can operate in a range of temperatures and can be used in a wide variety of applications.

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