Hi George, After posting a similar question to Treg about a year or more ago, and doing some research, I maximized the spacings and incorporated them into the design practices at a former company. I believe these spacings will carry your product to just about anywhere in the world (which was my intention) you may wish to market.
Basic: 3 mm Supplementary : 6 mm Inner layer: 0.5 mm Regards, Doug McKean At 09:00 AM 7/1/99 -0400, [email protected] wrote: > >Hello Once Again .. Everyone, > > I have a modem product that failed the hipot requirement defined in >cls 6 of 950. My understanding is that an isolation xfmr between Telco & >SELV is needed and clearance from Telco & gnd is to be 3mm minimum. Does >anyone have any other general design guidelines that they can share on this >topic ? > > Also, Can anyone point me to any manufacturers app notes for >components used for telco isolation ? > > And if anyone can recommend any reading material, I'd like to read >up on these and other issues relating to compliance design aspects of Telco >circuits. --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).
