▼ Specifications
Package-Type: TO-92


✍ BC547 (NPN)
BC547 transistor can be used as an alternative to many transistors
(BC549, BC636, BC639, 2N2222 TO-92, 2N2222 TO-18, 2N2369, 2N3055, 2N3904) in the electrical circuit
The highest transition frequency of BC547 is 300MHz. Thus, it can also be used in RF circuits.

Applications
Amplification of current
Audio Amplifiers
Switching Loads < 100mA
Transistor Darlington Pairs
Amplifiers like Audio, signal, etc.
Darlington pair
Quick switching
PWM (Pulse Width Modulation)
Bipolar Junction Transistor (BJT)

✍ BC548 (NPN)
BC458 is a general-purpose NPN transistor used in many electronics projects and devices. BC548 transistor is used for amplifying and switching purposes in electrical circuits.
Some other widely used substitutes of BC458 are: BC549, BC547, BC108, BC550, BC546, 2N2222

Applications
Sensor Circuits
Audio Preamplifiers
Audio Amplifier Stages
Switching Loads under 500mA
Darlington Pairs

✍ BC557 (PNP)
BC557 equivalent alternatives are: BC558, BD140, TIP42, BC157, S8550, 2N3906, 2SA1943, TIP127, TIP42

Applications
Used for switching and amplification purpose
Used to drive load under 100mA
Employed in robotics and instrumentation projects
Used in motors for controlling current


▼ Package Included
1 x Transistor

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