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可控硅调光灯电路-TRIAC Light Dimmer

来源:网络  发布者:电工基础  发布时间:2026-03-07 10:34
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.

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

可控硅调光灯电路-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.

相关热词:#可控硅

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