Numitron IV-19 socket

[Manuel Azevedo]

Hello,

Does anybody know what is the socket for the IV-19 Numitron?
In Dieter's database it says that's the PL-31a, but that's the one for the IN-12 nixie. I have those sockets are they are very big for this tiny numitron.
The IN-2 sockets are also too small.

Even if I cannot find the socket, it's difficult to find information on this tiny tube, like the correct dimensions to make a PCB. Anybody got a datasheet?

Thanks,

Manuel

[Roddy Scott]

From Dieter's pages - 

[Manuel Azevedo]

As I mentioned, the RSH31a base (PL-31a socket) is for the IN-12 socket. I have several PL31a sockets, and the IV-19 is too small (and round) to fit an oval, bigger socket.

Here’s a picture (left IN-12, middle PL31a socket and right IV-19):

 

I’ve only found this reference, like you, in Dieter’s site, but it’s clearly wrong – looks like a typo.

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[gregebert]

I've made 'sockets' for IN-18, A-101, 5092, and b7971 with socket pins on a PCB. Afterwards, a 'collar' is 3D-printed to surround and protect the pins and make it look like a real socket.

[Manuel Azevedo]

In the end that’s my idea – but I was hoping to find the datasheet with the correct measurements, instead of having to do them myself… Guess I’ll have to do it myself though ☺

From Dieter’s page, I see that the pin socket diameter is 12mm. It would be nice to get the measurements of the pin distance and placement.

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[gregebert]

Circular pinouts are easy; usually they are N pins uniformly distributed at angles of 360/N, or N-1 pins distributed at 360/N degrees. Just use excel to calculate the coordinates.

For random pin arrangements, it's tricky and requires careful measurements with a digital caliper.

[Manuel Azevedo]

Thanks for the tip.

Will have to do that way!

 

Thanks!

 

 

From: <neoni...@googlegroups.com> on behalf of gregebert <greg...@hotmail.com>
Reply-To: "neoni...@googlegroups.com" <neoni...@googlegroups.com>
Date: Sunday, 25 June 2017 at 17:49
To: neonixie-l <neoni...@googlegroups.com>
Subject: Re: [neonixie-l] Re: Numitron IV-19 socket

 

Circular pinouts are easy; usually they are N pins uniformly distributed at angles of 360/N, or N-1 pins distributed at 360/N degrees. Just use excel to calculate the coordinates.

 

For random pin arrangements, it's tricky and requires careful measurements with a digital caliper.

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[Paul Andrews]

Making circular footprints in Eagle is even easier. There is a standard ULP that will do it. See this link: http://www.lucadentella.it/en/2016/05/21/eagle-posizionare-i-pin-in-cerchio/

[Paul Andrews]

If you use KiCAD, convert the Eagle lib using another ULP https://github.com/lachlanA/eagle-to-kicad-libs

Personally I find Eagle's library editor way easier to use than KiCAD's, so I do all of my library editing using Eagle and then convert it using this script.

Using this script also gives KiCAD users access to the vast number of Eagle libraries out there.

I contributed some fixes to it for issues I found. There were a few that I haven't got around to fixing yet - basically conversion of text formatting.

[Manuel Azevedo]

Will do, thanks!

-----Original Message-----
From: neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] On Behalf Of Paul Andrews
Sent: 26 June 2017 12:16
To: neonixie-l <neoni...@googlegroups.com>
Subject: Re: [neonixie-l] Re: Numitron IV-19 socket

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