This part is a kind of semiconductor called 2N7002.
Function of this product has N-CHANNEL ENHANCEMENT MODE VERTICAL DMOS FET.
Manufacturers : Zetex Semiconductors
Image and pinout :

Some of the text within the PDF file :
SOT23 N-CHANNEL ENHANCEMENT MODE VERTICAL DMOS FET ISSUE 3 – JANUARY 1996 FEATURES * 60 Volt VCEO 2N7002 S D PARTMARKING DETAIL – 702 G ABSOLUTE MAXIMUM RATINGS. PARAMETER Drain-Source Voltage Continuous Drain Current at T amb=25°C Pulsed Drain Current Gate-Source Voltage Power Dissipation at T amb=25°C Operating and Storage Temperature Range SYMBOL V DS ID I DM V GS P tot T j:T stg VALUE 60 115 800 ± 40 330 -55 to +150 SOT23 UNIT V mA mA V mW °C ELECTRICAL CHARACTERISTICS (at Tamb = 25°C unless otherwise stated). PARAMETER Drain-Source Breakdown Voltage Gate-Source Threshold Voltage Gate-Body Leakage Zero Gate Voltage Drain Current On-State Drain Current(1) Static Drain-Source On-State Voltage (1) Static Drain-Source On-State Resistance (1) Forward Transconductance (1)(2) In [ ... ]
2N7002 PDF Datasheet Download
