Rob, I have a lot of painfull experience with smt LEDs. you can contact me by e-mail. Then we can exchange telephone no.s and talk on the phone. We presently have no more faliures with LEDs. Don Fumia [log in to unmask] on 10/14/98 02:36:30 PM Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please respond to [log in to unmask] To: [log in to unmask] cc: (bcc: Don Fumia/Aut/Schneider) Subject: [TN] LED failures Has anyone experienced LED failures while running product through a wave solder? I am having some fallout on some LED's. The component spec. states that it can handle solder temperature of 260