The following diagram is the schematic diagram of 220V Light Dimmer.
220V Light Dimmer diagram:
R1 = 10K
R2 = 2K2
R3 = 180K
C1 = 150nF/400V dipped polyester
C2 = 47nF/630V dipped polyester
C3 = 220nF/250V AC dipped polyester
Triac = 2N6075 or BT136-500D
Diac = HT-32
FUSE 2A or 3A
Download the 220V Light Dimmer circuit documentation here.