Popular transistors.

KSC2230(C2230) transistor.
Pinout. Datasheet.

Type Designator: KSC2330, C2230.
Package: TO-92L, 1-emitter, 2-collector, 3-base.
Material of transistor: Si
Polarity: NPN
Total Devise power dissipation |PD|: 1W
Collector-base breakdown voltage |VCBO|: 300V
Collector-emitter breakdown voltage |VCEO|: 300V
Emitter-base breakdown voltage |VEBO|: 7V
Maximum collector current |Ic max|: 100mA
Maximum junction temperature |Tj|: +150C
Transition frequency (ft) : 50MHz(typ.)
Collector output Capacitance |Cob|:4pF
Collector-emitter saturation voltage|VCE|:0,5V(IC=10mA,IB=1mA)
Forward current transfer ratio |hFE| :40-240(IC=20mA,VCE=10V), 40-80(KSC2330-R),70-140(KSC2330-O),120-240(KSC2330-Y).
Noise Figure, (NF): 3dB