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#BC547 TRANSISTOR PINOUT SERIES#

Automatic Fire alarm with the help of 547BC and thermistor.

Use of 547 transistors in flip-flop circuits.

Touch on and off Circuit using 547 NPN transistor.

Water Level indicator using BC547 Transistors.

Some other projects using Using BC547 Transistor A small amount of + current flows through the figure from + to base and this small current turns on the transistor. This simple circuit clearly shows that when you touch the points shown in the circuit. This will clear your concept of the working of transistors bc547,bc548bc549, and other transistors the same as this. We are going to show you a simple touch on the circuit by using 547. The formula used for the amplifier: DC Current Gain = Collector Current (I C) / Base Current (I B) Circuits Using BC547 Transistorsįirst of all, We want to show you how can you use bc547 transistors in projects. Some configurations used in amplifier circuits are BC547 can amplify power, voltage, and current in different configurations.

We can calculate the value of the resistor (R B) using the below formulae.Ī transistor acts as an Amplifier while operating in Active Region.

#BC547 TRANSISTOR PINOUT SERIES#

More current than 5mA will kill the Transistor so, a resistor is always added in series with a base pin. As mentioned above the biasing current maximum of 5mA. A transistor acts as an Open switch during forwarding and as a Closed switch during Reverse Bias, this biasing can only be achieved by supplying the required amount of current to the base pin of the transistor. In a switch, it is operated in the Saturation and Cut-Off Region. If accidentally placed wrong in a circuit then check its performance again because wrong input can decrease its efficiency. Always confirm the collector-emitter and base pins before placing them in the circuit. The temperature does not above +150 centigrade and below -65 centigrade. Always use a relevant base resistor to provide the required current for saturation because more current on the base can damage the transistor. Applications of Transistor BC547Ī lot of applications are associated with BC547, a few of the main applications are given below.įor the long life of bc547 do not increase the load more than 100mA on it, and do not exceed the voltage across this transistor to 45V DC. The SMD of the BC547 is available as the BC847, BC847W, BC850, and BC850W. C945 Transistor Pinout, feature, Equivalent.

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