Datasheet Summary
U.
R L.
O 1639 EC #E7
Fi le
I GN
TO-220 Isolated
MT2
MT1
Internally Triggered Triacs (4 A to 15 A)
E3
General Description
Teccor’s Quadrac devices are triacs that include a diac trigger mounted inside the same package. This device, developed by Teccor, saves the user the expense and assembly time of buying a discrete diac and assembling in conjunction with a gated triac. Also, the alternistor Quadrac device (QxxxxLTH) eliminates the need for a snubber network. The Quadrac device is a bidirectional AC switch and is gate controlled for either polarity of main terminal voltage. Its primary purpose is for AC switching and phase control applications such as speed controls,...