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The device is intended for controlling of power which is given to resister load, from the network of alternating current (220 V) at the maximal loading to 1.1 kW. The device consumes about 10 mA. At power less than 200 W the triac can be without a radiator.
Power Controller Circuit.
Advantage of circuit – absence of diode bridge with powerful diodes.
The transistors Q1, Q4 – KT361; Q2, Q3 – KT315, with the volta 
no less than 15 V. Triac D5 – КУ202В.
added 27.07.08 20:39:20 | 
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