This part is a kind of semiconductor called 2N4092.
Function of this product has N-Channel Silicon Junction Field-Effect Transistor.
Manufacturers : InterFET
Image and pinout :

Some of the text within the PDF file :
8/2014 2N4091, 2N4092, 2N4093 N-Channel Silicon Junction Field-Effect Transistor ∙ Low rDS(on) ∙ ID(off) < 100 pA ∙ Fast Switching Absolute maximum ratings at TA = 25oC Reverse Gate Source & Gate Drain Voltage -40V Continuous Forward Gate Current 10 mA Continuous Device Power Dissipation 300 mW Power Derating 1.7 mW/oC Storage Temperature Range -65oC to +150oC At 25oC free air temperature Static Electrical Characteristics Gate Source Breakdown Voltage V(BR)GSS Gate Reverse Current IGSS Gate Source Cutoff Voltage VGS(OFF) Drain Saturation Current (pulsed) IDSS Dynamic Electrical Characteristics Drain -Source On Resistance rds(on) Common-Source Input Capacitance Common-Source Reverse Transfer Capacitance Turn-On Delay Time Ciss Crss td Rise Time Turn-Off Time [ ... ]
2N4092 PDF Datasheet Download
