I remember reading that this Chinese nixies contain no mercury so they have 
low life expectancy. Perhaps you should consider dimming a little that 
display, or making it light only when someone is around, etc.

On Monday, January 6, 2020 at 12:37:32 AM UTC-3, Alvin wrote:
>
> Thanks Martin!  I went through my box of nixies looking for B-5092's and 
> looks like that I answered my own question.   No 5092s but I did have some 
> QS30-1.  Turns out the number was illegible on the one that I pulled.  I 
> was reading the wrong number.  These are QS30-1 which I believe can be 
> swapped with Z560M, ZM1020 or SZ-8.  Thanks again for the help.
>
> On Sunday, January 5, 2020 at 7:54:03 PM UTC-6, martin martin wrote:
>>
>> Welcome Alvin!
>> Those should be the same pin out as the Burroughs B-5092
>> http://www.swissnixie.com/tubes/B5092ABURROUGHS/ 
>>
>> They will be almost 0.75" and bright!
>>
>> martin 
>>
>>
>>
>>
>> ~
>> *[email protected]*
>>
>>
>> On Sun, Jan 5, 2020 at 5:12 PM Alvin <[email protected]> wrote:
>>
>>> Back in 2102, Lamptron made a fan controller for a PC case.  They were 
>>> notorious for burning out quickly.  I'm looking for an ID on these nixies 
>>> and if possible, a datasheet.  The end goal is hopefully a drop-in 
>>> replacement.  Any help is appreciated.
>>>
>>> From the brand ID, I'm assuming that they're Zhishiguan but can't find 
>>> anything online about the model.  I believe it reads 87 IV.  The diameter 
>>> is a little over 29mm and the height is 28.7mm (32.75mm with pins)
>>>
>>> [image: i-45N9zH8-L[1].jpg]
>>>
>>> [image: i-pMjG65H-M[1].jpg]
>>>
>>> [image: i-xp2gp9C-L[1].jpg]
>>>
>>> [image: i-KjNrW34-M[1].jpg]
>>>
>>> <https://groups.google.com/d/msg/neonixie-l/dyt8EryCZb4/Vq6t5pQ5V9AJ>
>>> Neonixie post from 2012 
>>> <https://groups.google.com/d/msg/neonixie-l/dyt8EryCZb4/Vq6t5pQ5V9AJ>
>>>
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>>> .
>>>
>>

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