IPC-A-610 states lead lengths and trimming required for Classes 1, 2 & 3 of board. Normally, lead protrusions are cropped to 1mm to 1.5mm max. There are other associated factors like clinching or non-clinched connections adn lead lengths required for those, board thickness considerations, etc. Rgds Another Peter (Duncan) PL <ppwlee@YAHOO To: [log in to unmask] .COM> cc: (bcc: DUNCAN Peter/Asst Prin Engr/ST Aero/ST Group) Sent by: Subject: [TN] Lead protrusion TechNet <[log in to unmask] ORG> 07/12/01 02:26 PM Please respond to "TechNet E-Mail Forum."; Please respond to PL Hello, Does anyone know what is the standard used for prepping the leads for through-hole boards? What are the critical parameters one should consider when determining the amount of trimming on the leads? Rgds, Peter _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------