Maurice Dore * wrote: > > I have a mixed technology board - bottom side smt power supply which is > failing. I suspect that the failure is due to the unreliability of > decoupling ceramic caps. > On reworking the caps they tend to crack. > I have subjected them to thermal shock tests and they seem to retain their > integrity. > Any suggestions? Is it a vendor problem (which seems unlikely) only? > Thanks in advance. > Maurice, Are the leads of the cap bent in any way outward to mount them on the board? I've had that happen. What appeared to be a subtle bending turned into a crack when put through soldering. Doug *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************