The requirements in the J-Std-001 state generally and the IPC-A-610, class 3, both say that the lead needs to be discernible in the solder connection as a minimum acceptable. So for class 3 in both standards, you need to be able to see a visible lead in the solder. Connie Korth, Quality Specialist Hibbing Electronics >RE: ANSI-J-001B > >On the solder side of the board what is the minimum lead visibility? How >much of the lead should you see sticking through the solder in Class 3? > > >Thank you for response. > >Maryanne > >################################################################ >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 web site (http://jefry.ipc.org/forum.htm) for additional information. >For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 >################################################################ > > > ################################################################ 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 web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################