TRY IPC-D-275 FIGURE 3-4. MY REV IS 1991, HOWEVER, IT SHOULD BE THERE SOMEWHERE HAVE A NICE DAY. STEVE SARASIN ______________________________ Reply Separator _________________________________ Subject: [DESIGNERCOUNCIL] current vs trace width graphs Author: [log in to unmask] (speedy turtle) at SMTP Date: 9/3/97 11:02 AM I am looking for the formulas to generate the graphs that represent "Current in amperes" vs "Cross section in square mils" and any others of similar type. Does anyone know where I can obtain these formulas ? ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com