BC547B Transistor | Datasheet | Pinout | Equivalent Diotec Semiconductor

BC547B – ON Semiconductor : Amplifier Transistors

BC547B Pinout

BC547B Pinout Diagram

The BC547B is a commonly used NPN transistor. It has three terminals: the collector (C), base (B), and emitter (E). These terminals are crucial for its functionality in switching and amplification circuits. The base terminal controls the current flow between the collector and emitter, while the collector is where the output current is collected, and the emitter is where the current flows into the transistor.

In conclusion, understanding the pinout of the BC547B is essential for correctly using the transistor in electronic circuits. Proper connection of the collector, base, and emitter is necessary for achieving reliable performance in both switching and amplification applications.

BC547B Equivalent

The BC547B is a popular NPN small-signal transistor used for various applications, such as amplification and switching. However, there are several equivalent transistors that can be used in place of the BC547B, depending on the application requirements like current handling, voltage tolerance, and power dissipation.

picture	Part Number	Manufacturer	Type	Package	Max Current (mA)	Max Voltage (V)	Max Power (W)	Gain Range (hFE)
	BC547B	Diotec Semiconductor	NPN Transistor	TO-92	100	45	0.5	110-800
	2N2222	ON Semiconductor	NPN Transistor	TO-92	800	40	0.8	100-300
	2N3904	ON Semiconductor	NPN Transistor	TO-92	200	40	0.4	100-300
	S8050	Sanken Electric	NPN Transistor	TO-92	150	45	0.5	110-800
	BC337	Fairchild Semiconductor	NPN Transistor	TO-92	800	50	0.8	160-800
	MPS2222A	ON Semiconductor	NPN Transistor	TO-92	800	40	0.5	100-300

Selection of the appropriate equivalent transistor depends on the requirements of the particular circuit, including the need for higher current, voltage tolerance, or power handling capability. All of these transistors are reliable replacements for the BC547B.