[log in to unmask] wrote: > Gaby, > > Sorry about your troubles. I've never run into it with through hole > devices, but many times with SMT > types having been reflowed and often needing touched-up because of > poor solder termination > solderability. > > It sounds and looks (in x-section) like a smilar problem. The fine > coil wires become detached under > thermal stress because of dissimilar expansion rates at the attachment > "legs." > > We solved some, not all, problems by changing a supplier once to > improve solderability. In another > instance, we more carefully watched our profiles to do everything > possible to avoid touch-up. > > Good luck, > > Earl Moon > > ################################################################ > TechNet E-Mail Forum provided as a free service by IPC using LISTSERV > 1.8c > ################################################################ > To subscribe/unsubscribe, send a message to [log in to unmask] with > following text in the body: > To subscribe: SUBSCRIBE TechNet <your full name> > To unsubscribe: SIGNOFF TechNet > ################################################################ > Please visit IPC's web site (http://www.ipc.org) "On-Line Services" > section for additional information. > For technical support contact Hugo Scaramuzza at [log in to unmask] or > 847-509-9700 ext.312 > ################################################################ Thanks, Earl! Gaby ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################