Martin, First, do not bend the pins on the tube. I cannot tell what exactly is your concern. Is it the gap between pads for high voltage creepage? You can maximize this by using an oblong pad.
If you have any solder tail sockets, you can use those. I made a bunch of Nixie clocks in the olden days, using the B13A solder tail sockets on PC boards. I used a trick of trimming the solder ring longer on one side and shorter on the other side, to convert these sockets to fit in a PC board. I made a custom pattern with a slight angular offset to handle this. On Sun, Dec 15, 2019, 11:39 AM Dekatron42 <[email protected]> wrote: > Hi all, > > I am trying to discern what distance is really necessary for a B27A & B26A > sockets when they should be made with Nixie-pins on a PCB, the B27A pin > socket is used for GSA10G and the B26A is used for Burroughs BX-1000 series > of tubes. > > The original PCB mounting socket that I've seen have at least 5 millimeter > between the pins as they are bent outwards and longer than the standard > straight Nixie sockets used for PCB mounting. getting the same spacing with > Nixie pins would require that I bend the Nixie-pins and that would > complicate things like mounting. The original B26A socket has some 3.17 > millimeter between the outer pins (17 pins (actually 18 but one unfilled > position) with an 18.2 millimeter diameter) and 3.87 millimeter between the > inner pins (9 pins with an 11.1 millimeter diameter). The B27A socket has > an extra pin in the center which is the anode with some 500V on it and that > sits approximately 5mm from the inner ring with pins. Now I I haven't taken > into account the solder pad size for these figures so the distance between > solder pads makes the actual distance shorter, for the Anode on the B27A > socket I can solder a wire so i wouldn't have to route it between the other > pins, but for the B26A socket I would like to route the wires between the > pins making the distance even shorter between solder pads and wires. > > The Burroughs tubes has a maximum of 300V between the pins and the GSA10G > has some 240V between main Anode and a Cathode and some 225V on the > Auxilliary Anode when running. > > Any help is highly appreciated! > > /Martin > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/a4d01383-2fa7-48e3-8912-685c478c4281%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/a4d01383-2fa7-48e3-8912-685c478c4281%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAPbqtveyS-osGLx%3DuWDhvMXPgptLuMg7FZkKLz4V%2BuJw5v-pzg%40mail.gmail.com.
