It is a current limiting diode, not just a regular diode. It is used to
limit the current to 1 ma
The third leg can be used to adjust the current I believe. the point of
this diode is to limit current while make CS.
It is used with DC current in my setup so its not a diode for the
purpose of rectifying current because the current is already DC. it is
used to regulate current instead and the reason they call it a diode is
because it also lets current flow only one direction. If you hook it up
in the wrong direction nothing at all gets through.
When you buy them they are labeled current limiting diodes.
Wayne Fugitt wrote:
Evening V,
>> At 02:12 PM 10/15/2006, you wrote:
Well here is a picture of how this particular three legged diode
looks and a spec sheet for it that explains how to connect it.
http://photoman.bizland.com/diode.jpg
http://photoman.bizland.com/70711.pdf
Thanks for the links. I looked at both, and read most of the pdf.
Seems someone changed the definition of a diode. I think this component
is a bit more.
First, Di means two, ..... I thought.
It appears he got the wrong component to start with. Can't see why
anyone wants this device if all he wants is a diode.
I understand that everything changes over time. Yet I have a hard time
accepting the fact that the lowly diode has changed into a 3 legged
critter.
I suppose it works like a diode when connected as the drawing.
Nevertheless, I think everyone should learn the old fashioned
definitions, theory and use before progressing to new devices that are
in fact misnamed.
Wayne
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