BC547,116

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	400mV @ 5mA, 100mA
Current - Collector Cutoff (Max):	15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	110 @ 2mA, 5V
Power - Max:	500mW
Frequency - Transition:	100MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-3
Base Part Number:	BC547

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The BC547, 116 is a general-purpose transistor commonly used for small-signal and switching applications. It is a PNP transistor with an Epitaxial Base, so it can be used as a switch and an amplifier. Its wide use is partly due to its low power consumption, making it a great choice for battery-powered devices. This article will discuss the application fields and basic working principles of the BC547, 116.

Application Fields

The BC547, 116 is well suited for a variety of applications from transistor amplifiers, switching circuits, and other small-signal applications. Its simplicity and ease of use make it an ideal choice for the average hobbyist.

• Amplifiers: The BC547, 116 has a high current gain, making it well suited for amplifier circuits. It can be used in small audio amplifiers, pre-amplifiers, or other weak signals, to increase the gain of the circuit.
• Switching Circuits: The PNP configuration makes the BC547, 116 an ideal choice for switching applications. The low power consumption makes it an excellent choice for battery powered devices, such as burglar alarms or remote-control systems.
• Signal conditioning: The BC547, 116 is well suited for signal conditioning tasks, such as the detection of light or proximity sensors.
• Motor control: The BC547, 116 can be used for the control of motors, since it has an excellent switching behavior. For controlling the speed and direction of the motor, multiple transistors can be used in an H-bridge configuration.

Working Principle

The BC547, 116 is made up of three terminals known as the Collector, Base, and Emitter. The Collector is connected to the positive source of voltage, the Base is connected to the input signal, and the Emitter is connected to the negative source of voltage.When no input is applied to the Base, the Collector and the Emitter are shorted and no current flows between the Collector and the Emitter. When a positive input is applied to the Base, it turns on the transistor and current starts to flow from the Collector to the Emitter.The current gain of the transistor is known as the h parameters, with the most commonly used being the hFE. The hFE of the BC547, 116 is usually between 200 and 500, which makes it a good choice for most amplifying applications. The DC current gain of the BC547, 116 also depends on the collector current, so it is important to make sure that the base current is limited to a low value to avoid damaging the transistor.

Conclusion

The BC547, 116 is a simple and versatile transistor that can be used for a wide range of applications. It is an ideal choice for small-signal applications and switching applications and due to its low power consumption and excellent current-gain characteristics. It is easy to use and understand, making it a great choice for hobbyists, hobbyists and engineers alike.

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