View bc857 datasheet:

BC857 BC858 SMALL SIGNAL PNP TRANSISTORS Type Marking BC857A 3E BC857B 3F BC858A 3J BC858B 3K 2 SILICON EPITAXIAL PLANAR PNP TRANSISTORS 3 MINIATURE PLASTIC PACKAGE FOR 1 APPLICATION IN SURFACE MOUNTING CIRCUITS SOT-23 VERY LOW NOISE AF AMPLIFIER NPN COMPLEMENTS FOR BC857 IS BC847 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit BC857 BC858 V Collector-Emitter Voltage (V = 0) -50 -30 V CES BE V Collector-Base Voltage (I = 0) -50 -30 V CBO E V Collector-Emitter Voltage (I = 0) -45 -30 V CEO B VEBO Emitter-Base Voltage (IC = 0) -5 V IC Collector Current -0.1 A I Collector Peak Current -0.2 A CM I Base Peak Current -0.2 A BM I Emitter Peak Current -0.2 A EM o Ptot Total Dissipation at Tc = 25 C 300 mW o T Storage Tempe