Popular transistors.

C9012 transistor.
Pinout. Datasheet.

Type Designator: C9012.
Package: TO-92, 1-emitter, 2-base, 3-collector.
Material of transistor: Si
Polarity: PNP
Total Devise power dissipation |PD|: 450 mW(at ambient temperature ≤ + 25 )
Collector-base breakdown voltage |VCBO|: 35V
Collector-emitter breakdown voltage |VCEO|: 20V
Emitter-base breakdown voltage |VEBO|: 5V
Maximum collector current |Ic max|: 0.1A
Maximum junction temperature |Tj|: +150 C
Transition frequency (ft) : 150MHz(typ.)
Output Capacitance |Cob|:6pF
Collector-emitter saturation voltage|VCE|:0,3V(IC=100mA,IB= 5mA).
Forward current transfer ratio |hFE| : 100-400,(IC=50mA,VCE=1V), 150-200(C9012G), 200-250(C9012H).
Noise Figure, (NF): 2-10dB