As an aside, what are some ways one can obtain the current list of Operating Staff decisions for EN60 950?
> ---------- > From: Egon H. Varju[SMTP:[email protected]] > Sent: Thursday, September 11, 1997 3:12 AM > To: Mel Pedersen > Cc: EMC-PSTC > Subject: Y capacitors and Supplementary Insulation > > Mel, > > According to the Standard EN 60 950 List of Decisions of the CENELEC > OSM/EE > (Operational Staff Meeting for Electronic Equipment), dated 6/97: > > Clause 1.5.1: > > - Capacitors certified to IEC 384-14 1.ed will be accepted for 5 years > after DOW of EN 132400. > - Capacitors certified to IEC 384-14 2.ed and/or EN 132400 are > acceptable. > - Y1 capacitors are are accepted across reinforced insulation. > - Y1 and Y2 capacitors are are accepted across basic insulation. > - Y1 and Y2 capacitors are are accepted across supplementary > insulation. > - (So, obviously, two Y2 caps in series are accepted across reinforced > insulation - my words, not CENELEC). > - The enclosures of Y1 capacitors are considered to comply with the > requirements of reinforced insulation with the exception of the area > near > to the leads where the insulation becomes thinner. > > Clause 2.9: > > - The insulation of the outside of a capacitor according to IEC 384-14 > 2.ed. fulfils (sic) the requirements for basic insulation. For > reinforced > insulation the distance requirements of EN 60065 and EN 60950 must be > fulfilled. > > The above are published decisions; anything else is pure speculation. > > By the way, if IEC 384-14 requires larger spacings than IEC 950, then > obviously there is no problem using such a capacitor in your ITE unit. > > Yes, the end-product standard prevails, so just use IEC 950 spacings > on > your PWB. > > Hope this helps. > > Cheers, > Egon > > __________________________________________________________ > > Egon H. Varju, P.Eng. September 11, 1997 @ 3:48 PM > CSA Pacific Region > Tel: 1-604-244-6640 HAVE MODEM - WILL TRAVEL > Fax: 1-604-244-6600 > E-mail: [email protected] > [email protected] > __________________________________________________________ >
