The inrush current performs the important job of heating up the filament so that it will glow. Don't expect an LED driver to work well. Experiment with some low ohmage series resistors first.
On Feb 21, 2018 6:39 AM, "Terry Kennedy" <terry-gro...@glaver.org> wrote: > On Wednesday, February 21, 2018 at 8:26:39 AM UTC-5, Tomasz Kowalczyk > wrote: > >> What are your experiences with numitrons? What methods of prolonging >> their life did you use? Or did you just ignore the problem, as IV-9 and >> IV-16s are still quite cheap? >> Please share your experiences and thoughts. >> > > I have a pair of Numimini clocks (from Jon Ellis here) with IV-9 tubes > which have been running continously here for over 8 years with no issues. > They are powered by the host PCs' USB ports, so there is some magic > involved in staying under the available 500mA available when driving the > filaments. > > -- > 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 neonixie-l+unsubscr...@googlegroups.com. > To post to this group, send email to neonixie-l@googlegroups.com. > To view this discussion on the web, visit https://groups.google.com/d/ > msgid/neonixie-l/cffdaf54-d5c8-44c7-826e-36cffee300ca%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/cffdaf54-d5c8-44c7-826e-36cffee300ca%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAPbqtvcn3dmhaWmU1vzi%2BjWZDvGhKo051cOA8pXmD8TcXXxv1g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
