You could mount the regulator & mosfet on the underside of the circuit board and perhaps get more space for a heat sink there. Just bend the legs upwards and use a spacer between the tab and the circuit board when screwing it in place so you don't stress the tab and bend it.
/Martin On Monday, 25 April 2022 at 02:57:59 UTC+2 Terry Bowman wrote: > > On Apr 24, 2022, at 5:25 PM, Aisha Love <[email protected]> wrote: > > My interest started with Nixie tubes and expanded from there. I hope to > one day have a large collection of unique vintage display devices. > > > Magic eyes. Here are some really inexpensive boards that are a good > starting point. They have a 12V jack, 3.5mm audio jack and a power switch out > of the way in the back. This first one includes a Chinese EM84: > > https://www.ebay.com/itm/193443031569 > > > The second is almost identical. It uses three different sockets for three > different pinouts: EM80/81, EM800/EM84 or a Soviet 6E5S: > > https://www.ebay.com/itm/191011269169 > > > The seller has all three sockets. I bought six boards and two sets of > sockets. I also scored two or three each of the tubes listed above. The > only caveat with these particular boards is that the 6V regulator and the > power MOSFET don't have heatsinks and I haven't been able to find any small > enough to fit (there's almost no room). The first board has an LM317 and it > gets hotter than the LM7806. > > The 6E5S really heats things up. My eternal thanks to anyone who can find > an affordable TO-220 heatsink that's barely larger than the horizontal TTR > itself. > > > My apologies if I've already talked about this before. I'm very happy with > what I ended up with and like to share. 8D > > I really do need to post this info to my blog but I haven't had time to > take pictures and shoot video. Sound familiar? > > > Terry Bowman, KA4HJH > "The Mac Doctor" > > "If only you could see what I've seen with your eyes."—Roy Batty, *Blade > Runner* > > -- 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/656060df-1556-4270-8b10-46fe9a1e23c5n%40googlegroups.com.
