Thyristor double-tone dimmer circuit (1)

Published:2012/8/1 2:12:00 Author:Ecco | Keyword: Thyristor, double-tone dimmer | From:SeekIC

In the circuirshown as the figure, VTH canuse TLC221B or MAC94A4 bidirectional thyristor, VD1 ~~ VD4select 1N4007 silicon rectifier diodes, VD5 is 2CTS bidirectional trigger diode withrequiring the transition voltage being30 ~ 39V.



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