Triac - Golden Rule isolated triac switch between MT1 and MT2 join RC snubber circuit. If high dICOM / dt can cause problems SMD SCR, adding a few mH in series with the load inductance. Another solution SCR BT136S-600E, using Hi-Com triac. Triac - Golden Rule Isolated Triac switch rules 7. good selection gate trigger circuit, to avoid the third quadrant conditions SCR BT137S-600E, can maximize the triac dIT / dt tolerance. Rule 8. If the triac dIT / dt is likely to be exceeded, the load on the best series with a few μH inductance of coreless or negative temperature coefficient thermistor. SCR BT137S-600E_ SCR _ positive electrons provided by Wal Dongguan City is fertile Electronic Technology Co. Dongguan City is Wo 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 positive fertile electronic and you hand into the brilliant, for a better future!