Close, but 0603 means 0.06" x 0.03" etc. If you look in IPC-SM-782 the 0603 for example is identified as 1608 in metric for 1.6mm x 0.8mm. These are all nominal dimensions. Best regards, Roy Roy H. Beckman, C.E.T., C.I.D. Senior PCB Designer Harris Corporation Harris Canada, Inc. Microwave Communications Division 2-7516 Hunterview Dr. NW Calgary, Alberta, Canada T2K 5E4 Phone: 403-516-1829 Fax: 321-674-2575 email:[log in to unmask] www.harris.com -----Original Message----- From: Karthik, P.V.S. (IE03x) [mailto:[log in to unmask]] Sent: Wednesday, July 03, 2002 9:38 AM To: [log in to unmask] Subject: [DC] Doubt Hi All, I have a doubt. It may be a very small one. I would like to know what the sizes 0603, 0805 etc etc specify? Does 0603 mean that the size of that discrete component is .6mm x .3mm ? Likewise is 0805 0.8mm x 0.5mm ? -------------------------------------------------------------------------------- - DesignerCouncil 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 DesignerCouncil. To set a vacation stop for delivery of DesignerCouncil send: SET DesignerCouncil 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 -------------------------------------------------------------------------------- - --------------------------------------------------------------------------------- DesignerCouncil 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 DesignerCouncil. To set a vacation stop for delivery of DesignerCouncil send: SET DesignerCouncil 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 ---------------------------------------------------------------------------------