Popular transistors.

BC213L transistor.
Pinout. Datasheet.

Type Designator: BC213L.
Package: TO-92, 1-emitter, 2-collector, 3-base.
Material of transistor: Si
Polarity: PNP
Total Devise power dissipation |PD|: 0.3 W(at ambient temperature + 25 )
Collector-base breakdown voltage |VCBO|: 45V
Collector-emitter breakdown voltage |VCEO|: 30V
Emitter-base breakdown voltage |VEBO|: 5V
Maximum collector current |Ic max|: 0.5A
Maximum junction temperature |Tj|: +150 C
Transition frequency (ft) : 200MHz(min.),300MHz(typ.)
Output Capacitance|C ob|:5pF(max.)
Collector-emitter saturation voltage|VCE|:0,6V(IC=100 mA,IB= 5mA)
Base-emitter saturation voltage|VBE|:1,1V(IC=100mA,IB= 5mA)
Forward current transfer ratio |hFE| : 140(min.)(IC=2mA,VCE=5V), 125-260(BC213LA), 240-500(BC213LB), 450-900(BC213LC)..
Noise Figure, (NF): 10dB(max.)