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kevin gilmore 4th January 2004 02:37 PM

pc mount el34 socket
Does anyone know the diameter of the pins for a
sk8 pc mount octal tube socket. And the pin 1 to pin 5

fdegrove 4th January 2004 04:42 PM


Pin diameter is 2.36mm (0.093").


And the pin 1 to pin 5
Measured at the top or bottom of the socket?

The bottom may vary a little according to manufacturing tolerance.

Pin circle diameter is 17.45mm (0.687"), pin spacing is 45 degrees, alignment method 7.8mm (0.307") dia, splined center spigot.

Aliases:Octal, A08, A8, B8‑21, I.O. (International Octal), K, O, SK8


kevin gilmore 4th January 2004 06:59 PM

this socket??

I can believe the .093 but the .687 diameter seems
a bit small...

fdegrove 4th January 2004 07:39 PM



the .687 diameter seems a bit small...
That's because it's measured at the top of the socket.

If I had a PCB mount octal I'd measure it for you...

It should be slightly less than an inch but I suppose you need the exact figure fore your PCB design...



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