Schematic Diagram

This is wonderful schema for all because you can use this schema to decorate your Christmas tree with 220v bulbs.So make a most attractive Christmas tree for this winter.





Parts:

C1 1000µF 25V Electrolytic Capacitor
D1-D4 1N4007 1000V 1A Diodes
D5 P0102D 400V 800mA SCR
Q1 BC327 45V 800mA PNP Transistor
Q2 BC337 45V 800mA NPN Transistor
R1 100K 1/4W Resistor
R2,R5 1K 1/4W Resistors
R3,R6 470R 1/4W Resistors
R4 12K 1/4W Resistor
PL1 Male Mains plug
SK1 Female Mains socket


Note

# You have to use high Gate-sensitive SCRs for the proper operation.

# A recommended Triac type is the ubiquitous TIC206M (600V 4A) but many others can work.