Q about NSB3411

[Watson A.Name - \Watt Sun, the Dark Remover\]

I obtained several NSB3411 red LED displays, and I think they're for a
digital clock since they have the colon in the center. I ohmed out the
pinout, no problem. I got nothing on www.national.com. I did a google
and came up with a handful of hits, just wanting to sell them to you.
What I would like to know is what is the maximum current per segment,
and if each of the segments has more than 1 LED in series. Seems like
it takes 4V or more to get it to light up. Thanks.



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[Mark Zenier]

I obtained several NSB3411 red LED displays, and I think they're for a
digital clock since they have the colon in the center. I ohmed out the
pinout, no problem. I got nothing on www.national.com. I did a google
and came up with a handful of hits, just wanting to sell them to you.
What I would like to know is what is the maximum current per segment,
and if each of the segments has more than 1 LED in series. Seems like
it takes 4V or more to get it to light up. Thanks.

Did you try Three-Five (or III-V), the outfit that took over National's
opto-displays?

Mark Zenier [email protected] Washington State resident

 

[Mark Zenier]

Did you try Three-Five (or III-V), the outfit that took over National's
opto-displays?

Oh yea, I forgot to say, try Jameco's web archive. They might have a
datasheet under either National or Three-Five's part number. They had
a whole pile of that stuff for years in their catalog.

Mark Zenier [email protected] Washington State resident

 

[Watson A.Name - \Watt Sun, the Dark Remover\]

Watson A.Name - \"Watt Sun, the Dark Remover\"

Did you try Three-Five (or III-V), the outfit that took over National's
opto-displays?

No, I knew nothing about them until you told me. Thanks, I'll see what
I can find. I tried looking in the HP opto manual but I couldn't find
anything close to it. Thanks. BRB...

I found this URL http://www.tfsc.com/ but I'm not sure if it's the right
company. In their history they mention buying a div of National, but I
could find nothing on LED displays on their website. I clicked on
display prod and tech library and they said that they sold some div to
some other co, but it doesn't seem to be a LED display maker.
Apparently no way to do a search.

 

[Watson A.Name - \Watt Sun, the Dark Remover\]

Watson A.Name - \"Watt Sun, the Dark Remover\"

Did you try Three-Five (or III-V), the outfit that took over National's
opto-displays?

I found this listing for another company but I couldn't find their web
page.
http://www.devicelink.com/company98/co/210/21093.html Still looking..