2n3906-g.pdf datasheet:

General Purpose Transistor 2N3906-G (PNP) RoHS Device TO-92 Features -PNP silicon epitaxial planar transistor for 0.185(4.70) switching and amplifier application. 0.173(4.40) -As complementary type, the NPN transistor 0.135 (3.43) Min. 0.055 (1.14) 0.020(0.51) 0.043(1. 10) 2N3904-G is recommended. 0.014(0.36) 0.022(0.55) 0.015(0.38) -This transistor is available in the SOT-23 case with the type designation MMBT3906-G. 0.015(0.38) Max. 0.0 63(1. 60) Max. Collector 3 1. Emitter 0.050(1.270)TYP 2. Base 2 0.104(2.64) 0.096(2.44) Base 1 2 3 3. Collector 1 Dimensions in inches and (millimeter) Emitter Maximum Ratings (at TA=25 C unless otherwise noted) Symbol Parameter Min Max Unit Collector-Base voltage -40 V VCBO Collector-Emitter voltage VCEO -40 V Emitter-Base voltage VEBO -5 V Collector Current-Continuous IC -0.2 A Collector