2n3906.pdf datasheet:

Shenzhen Tuofeng Semiconductor Technology Co., Ltd TO-92 Plastic-Encapsulate Transistors 2N3906 TRANSISTOR (PNP) TO-92 FEATURE PNP silicon epitaxial planar transistor for switching and 1.EMITTER Amplifier applications As complementary type, the NPN transistor 2N3904 is 2.BASE Recommended This transistor is also available in the SOT-23 case with 3. COLLECTOR the type designation MMBT3906 1 2 3 MAXIMUM RATINGS (TA=25 unless otherwise noted) Symbol Parameter Value UnitsVCBO Collector-Base Voltage -40 V VCEO Collector-Emitter Voltage -40 V VEBO Emitter-Base Voltage -5 V IC Collector Current -Continuous -0.2 A PC Collector Power Dissipation 0.625 W TJ Junction Temperature 150 Tstg Storage Temperature -55-150 ELECTRICAL CHARACTERISTICS (Tamb=25 unless otherwise specified) Parameter Symbol Test conditions MIN TYP M