That's extremely encouraging! So far, the longest I've run some nixes are my Z568's in my original Jeff Thomas Atomic....continuous for about 8 years now, and they still glow like new (yes, they were NOS when I bought them)!
Nick On Sun, Mar 11, 2012 at 1:50 PM, jf...@my-deja.com <jf...@my-deja.com>wrote: > On Mar 1, 7:00 pm, Terry Kennedy <terry+googleb...@tmk.com> wrote: > > Despite what is listed by sellers, I have never seen a truly NOS > > B7971. As they are run, the background areas around the elements > > become lighter. > I agree. > > > > > The original datasheet (of which I have several) claims a service life > > of 50,000 hours. That's at the current they were run at in the > > original LECTRASCAN application - they'd likely last a good while > > longer in a clock or other modern display that wasn't being run at > > full brightness in an office (sometimes even facing the street through > > a window!). > I have posted earlier versions of this: In the mid 1970s, I built > three 6-digit clocks with 7971s and based on the CT7001 . They are > MUXed at about 2kHz. So far, they have run nearly continuously for > 35-38 years (over 300k hours) with no nixie failures. All of them > were pulls with obvious lightening of the ceramic under the segments > (probably lots of previous use). I would view the 50k in the spec > sheet as a minimum guarantee and not as the time to expect massive > simultaneous failures. > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To post to this group, send an email to neonixie-l@googlegroups.com. > To unsubscribe from this group, send email to > neonixie-l+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/neonixie-l?hl=en-GB. > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
