BC107 Discrete Semiconductor Products

The BC107 is a bipolar transistor commonly used in a wide range of electronic circuits. It belongs to the Single type of the Bipolar Junction Transistor (BJT) family. It is made with a geometry of PNP and consists of three layers of semiconductor materials with different compositions. It uses a majority of electrons as the main carriers of current.

The typical specification of the BC107 is collector current Ic=100mA, collector-base voltage Vcbo=45V, emitter-base voltage Veo=6V and power dissipation Pd=500mW. It is suitable for general-purpose switching and amplification applications and has a typical frequency range of up to about 300 MHz. It comes in a range of packages such as TO-92, SOT-23, and SOT-89.

The working principle of the BC107 can be seen from its PN junction construction. When a current is applied from the base to the collector, it will flow from the collector to the emitter. This current, known as the collector current (Ic), will produce a voltage drop across the collector and the base, also known as the collector to base voltage (Vcbo). This voltage will be sufficient to reach the emitter and once it passes, it will act as an avalanche of electrons.

This current is then amplified by passing through the emitter-base junction, resulting in a higher current (Ie) called the emitter current. This current will be then allowed to pass through the load, allowing the load current to flow. The emitter current will induce a voltage drop across the emitter-base junction, in this case, the emitter voltage (Veo). By controlling the base current, it is possible to control the collector current and base voltage, allowing the BC107 to act as a switch (for digital logic ) or an amplifier (for analog signals).

The BC107 transistor is a simple and reliable component for many common applications. Its low cost, simple structure and wide variety of packages make it an attractive choice for most applications. Its low noise, high-frequency switching and amplification capability make it a preferred choice for some specific applications. It is widely used in amplifiers, switches, relays, timers, and switching power supplies.

In conclusion, the BC107 is a widely used, inexpensive and versatile bipolar junction transistor. It is mainly used in a variety of switching and amplification applications. It has a simple structure and efficient performance, and is widely used in a wide range of electronic circuits. The current gain of the BC107 depends on the type of package, the frequency response and the collector current.