Monday, August 18, 2014

TRIAC Light Dimmer


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

















Parts
R1 50K Pot
R2 15K 1/2W Resistor
C1, C2 0.068 250V Capacitor
L1 Lamp To Be Controlled (up to 350 watts)
L2 Neon Lamp
TR1 40502 TRIAC
MISC Case, Knob, Heatsink For TR1, Wire, Socket For L1




Notes
1. This schema is for 117VAC only. 220 or 240 V will burn up the schema. L1 can be a maximum of 350 watts.
2. The schema must be installed and used in a case. (Well give you 230 v schema recently)

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