Delay light circuit with TRIAC(1)

Published:2011/4/26 4:26:00 Author:Nicole | Keyword: Delay light, TRIAC | From:SeekIC

The circuit is as shown, it is a delay light circuit adopts TRIAC. In addition to C1、C2、R4, the delay time is also related to the time of press key. VTH adopts MAC94A4、MAC97A6 TRIAC, the β value of VT1、VT2 should be more than 200.



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