A Z568M nixie tube made by WF/RFT. This is the largest European Nixie tube with a 50mm digit size. It is almost pin-compatible with the American NL7037, except rotated 180°. The digits on this tube are finer than those on the NL7037, and the tube uses about 2/3 of the current of the NL7037.

Digit size 50mm
Min current 4mA
Max current 7mA

Excerpts from some datasheets. The full datasheets are available on Dieter’s web site.


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