Try: http://parametric.fairchildsemi.com/datasheet.asp?PN=MOC3052%2DM&FAM=Optocou pler Just about every optocoupler you could want is on this site - look for the selection page link. ps: I won't use a 400V device on 120. I know 3:1 is a good general design guideline, but multiple 600V devices in series should last forever. CL > > Who else makes a nice simple sensitive gate TRIAC driver > beside Motorola? > I > > can't even seem to access the webpage to find information > besides the > > MOC3031 series, but its only good for 115VAC. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu