Triacs - Another feature of the trigger circuit of the circuit is alternately turned on two main thyristor SCR BT137S-600E, a forward voltage drop of the reverse voltage drop is another SCR T435-800T , so there is no problem of reverse breakdown. But when the applied voltage exceeds the transient blocking voltage, SCR1, SCR2 mislead pass, turned extent determined by the potentiometer R2. Triac - works Kt16P single phase thyristor regulator / power adjustment 1. SCR trigger plate is P1N1P2N2 four three-terminal structural elements, a total of three PN junction SCR, analysis principle, you can take it seen by a PNP transistor and an NPN transistor formed. When the anode A with a positive voltage, BG1 and BG2 tubes are in the enlarged state. SCR SCR _ BT134W-600E_ are fertile Electronics Dongguan City is provided by Wal-Electronic Technology Co., Ltd. Dongguan City is Wal-Electronic Technology Co., Ltd. (www.dgmydz.com) (www.dgmydz.com) strong, credible, FET and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the electronics are fertile and you hand into the brilliant, for a better future!