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Ross Herbert Ross Herbert is offline
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Default "Yellow" SMPS transformers

On Fri, 1 Feb 2008 15:00:14 -0000, "N Cook" wrote:

:ie the yellow PVC? wrapper often seen around the windings or frame, more so
:than mains f transformers.
:
:Is it always yellow?
:If light brown with other indications that there was an excessive load and
:general overheating, would a light brown colouring mean it was overcooked
:and shorted turns a possibility? An original one for this model not seen, so
:no idea if it should be light brown or the ubiquitous yellow.
:
:I will try cooking some of the yellow tape stripped from a scrapper.


The Yellow tape is most likely 1 mil polyester film

eg. Permacel P256 or similar http://www.permacel.com/pdfs/P-256%20YLW.pdf

If you care to search through the Permacel products gallery you will see that
other there are other color adhesive tapes for the electrical and electronic
industries http://www.permacel.com/