This post explains for the semiconductor BC548.
The Part Number is BC548.
The function of this transistor is General Purpose Amplifier.
Manufacturers : Motorola
See the preview image and the BC548 datasheet file for more information.
Image
Description :
NPN Silicon Transistor
Applications :
General Transistor.
BC548 pinout
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = 30 V
2. Collector to Emitter Voltage : Vceo = 30 V
3. Emitter to Base Voltage : Vebo = 6 V
4. Collector Current : Ic = 100 mA
5. Total Dissipation : Pc = 625 MW
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C
BC548 Transistor Datasheet
BC548 vs BC547