BC850CW,135

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BC850CW is a discrete small signal PNP transistor made of silicon, and it belongs to the category of single Bipolar Junction Transistors (BJT). This type of transistor is a PNP - like NPN transistors, the majority charge carriers in it are holes. It is an epitaxial planar transistor designed for switching and AF amplifier applications.

The BC850CW has three terminals: a base, collector, and emitter. An electric current is used to input into the base terminal to switch the transistor on and off. When the transistor is in the off state, no current will flow in the collector. Conversely, when the transistor is in the on state, current can flow from the collector to the emitter. It has excellent switching characteristics, making it suitable for producing constant current circuits, amplifying signals, and other applications.

The BC850CW has a maximum collector current of 0.2A, a DC current amplification of 45Hz, and a maximum collector-emitter voltage of 40V. Its power dissipation is 2W, and its spectral response ranges from 0Hz to 400Hz. The BC850CW can operate at ambient temperatures from –55°C to 125°C, and under ideal conditions its life can reach up to 100,000 hours.

The most common application of the BC850CW is as a switching element in circuits. Thanks to its low voltage drop, the BC850CW ensures that the circuit operates with low voltage levels without the need for additional components. This makes the BC850CW suitable for low power applications, such as switching circuits in toys, radios, and wireless signals. The BC850CW can also be used in AF amplifier circuits and low power switching applications.

When used as an AF amplifier, the BC850CW is capable of providing excellent signal gain. It has a wide frequency response that covers audio, video, and RF signals, making it suitable for a wide range of amplifier applications. Its low voltage drop also ensures that the amplifier can be powered with low voltage levels, which makes it suitable for battery-powered applications.

The working principle of the BC850CW transistor is based on the concept of PNP transistors. When current is input into the base terminal, it creates a “base-emitter” voltage in the transistor. This voltage makes the transistor “turn on” and allows current to flow from the collector to the emitter. When the base current is reduced, the transistor “turns off” and no current is allowed to flow. This simple operating principle makes the BC850CW suitable for a wide range of applications.

In conclusion, the BC850CW is a PNP discrete small signal transistor that belongs to the category of single Bipolar Junction Transistors (BJT). It has excellent switching characteristics, making it suitable for producing constant current circuits, amplifying signals, and other applications. Thanks to its wide frequency response and low voltage drop, the BC850CW is suitable for a wide range of applications and uses, such as switching circuits in toys, radios, and wireless signals and AF amplifier circuits.

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