Popular transistors.

IRF630 MOSFET transistor.
Pinout. Datasheet.

Package: TO220,T0-220FP, 1-gate, 2-drain, 3 - sourse, 4-drain.
Type of IRF630 transistor: MOSFET
Type of control channel: N - Channel
Maximum power dissipation (PD):75W(TO220),30W(TO220FR)
Maximum drain-source voltage (VDSS): 200V
Maximum gate-source voltage (VGS): ±20V
Maximum continuous drain current (ID): 9A
Maximum pulsed drain current (IDM):36A
Maximum junction temperature (Tj): 150C
Rise Time(tR):15ns
Input Capacitance (Ciss):540pF
Output Capacitance (Coss):90pF
Maximum drain-source on-state resistance (RDS): 0.35 Ohm
Forward Transconductance(gfs):4