Subject: RE: UL94-5VA & B
> Author: "Massey; Doug C." <[email protected]>
> Date: 12/26/00 9:03 AM
>
> Craig is correct - the UL1950 PAG 4.4.4-002 confirms this and adds,
> "IEC
> TC74 is developing a proposal to clarity this issue."
>
> Cheers,
> Doug Massey
> LXE, Inc.
>
> -----Original Message-----
> From: Craig Hensley [mailto:[email protected]]
> Sent: Thursday, December 21, 2000 10:35 AM
> To: [email protected]; [email protected]
> Subject: Re: UL94-5VA & B
>
>
>
> There are slight differences in the test parameters for 94-5VA and
> 94-5VB
> classified materials. 94-5VB materials allow for some relaxation on
> the
> burn-through requirement. This relaxation is considered acceptable
> for ITE.
> According to UL, a Recognized Component material with either a
> 94-5VA or
> 94-5VB flammability rating is considered to meet the Class 5V
> material
> flammability requirement. This same interpretation should hold true
> for
> material classified as 5V per EN69050.
>
> Happy Holidays,
> Craig Hensley
> Iomega Corp.
> Roy, UT
>
> >>> "William D'Orazio" <[email protected]> 12/21/00 08:00AM >>>
>
> Gents,
>
> I came across the following flammability rating UL 95-5VA
> and UL
> 94-5VB. Is there a difference between these two rating and which
> one is
> equivalent to the EN60950 classification 5V.
>
> Thanks in advance,
>
> <<...>>
>
> William D'Orazio
> CAE Electronics Ltd.
> Electrical System Designer
>
> Phone: (514) 341-2000 (X4555)
> Fax: (514)340-5552
> Email: [email protected]
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