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Circuits > Motor, light and power control > TRIAC Light Dimmer

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

This is the schematic of the TRIAC Light Dimmer

Parts
 

Part Total Qty. Description Substitutions
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  

Notes

1. This circuit is for 117VAC only. 220 or 240 V will burn up the circuit. L1 can be a maximum of 350 watts.

2. The circuit must be installed and used in a case.

Title: TRIAC Light Dimmer
Source: www.aaroncake.net
Published on: 2005-02-03
Reads: 1893
Print version: Print version

Circuits > Motor, light and power control > TRIAC Light Dimmer

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