Excuse me?!?! 29.25 mm is over an inch... Arpad =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] = On Behalf Of RameshK Cozerv IN HO Sent: Friday, September 08, 2006 1:49 AM To: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] HighVoltage Content-Type: text/plain; charset=3D"us-ascii" Content-Transfer-Encoding: 7bit =20 =20 Hi srikanth, =20 According to MIL-P-13949/4C for FR4 material,the electric strength (perpendicular to lamination,average,minimun volts/mil=3D750v per mil which is 29.25 mm.This may help you. =20 =20 =20 <http://www.incredimail.com/index.asp?lang=3D9&version=3D4001930&aff_id=3D= 10096&ad don=3DIncrediMail&id=3D95202&guid=3DDAACE287-9C8D-4275-89A1-F61C45653B6A>= =20 Regards, Ramesh ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu