可控硅调光灯电路-TRIAC Light Dimmer

可控硅调光灯电路-TRIAC Light Dimmer

This little circuit can be used to dim lights up to about 350 watts. It uses a simple, standard TRIAC circuit that, in my expirience, generates very little heat. Please note that this circuit cannot be used with fluorescent lights.

SchemaTIc

Parts

R1

1

50K Pot

R2

1

15K 1/2W Resistor

C1, C2

2

0.068 250V Capacitor

L1

1

Lamp To Be Controlled (up to 350 watts)

L2

1

Neon Lamp

TR1

1

40502 TRIAC

MISC

1

Case, Knob, Heatsink For TR1, Wire, Socket For L1