Popular transistors.

2N7002 MOSFET transistor.
Pinout. Datasheet.

Package: SOT-23 1-drain, 2-sourse, 3 - gate.
Marking code: K72. Type of 2N7002 transistor: MOSFET
Type of control channel: N - Channel
Maximum power dissipation (PD): 250mW
Maximum drain-source voltage (VDSS): 60V
Maximum gate-source voltage (VGS): ± 40V
Gate-source trechold voltage (VGS(th)): 3V(max.)
Maximum continuous drain current (ID): 180mA
Maximum junction temperature (Tj): 150°C
Input Capacitance (Ciss): 16 pF
Output Capacitance (Coss): 11 pF
Maximum drain-source on-state resistance (RDS): 5 Ohm(max.)
Forward Transconductance(gfs): 170.