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Author Topic: Please help me identify this neon bulb.  (Read 705 times)
Ed
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Please help me identify this neon bulb. « on: September 29, 2025, 10:04:29 PM » Author: Ed
09/26/2025

We put this bulb near a Tesla Coil and it has the typical neon orange glow.
It also has a plate with a top electrode.

What type of neon bulb is this?
Any help appreciated.
Ed
« Last Edit: September 29, 2025, 11:00:55 PM by RCM442 » Logged
dor123
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Re: Please help me identify this neon bulb. « Reply #1 on: September 30, 2025, 08:09:36 AM » Author: dor123
This is called neon glow lamp.
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Multisubject
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Re: Please help me identify this neon bulb. « Reply #2 on: September 30, 2025, 09:00:25 AM » Author: Multisubject
This looks identical to a neon glow lamp, but with another electrode on a plate cap. I would assume that this is for some sort of electronic use rather than illumination. This probably has some sort of electrical characteristic that is desirable for some sort of vacuum-tube based circuit.
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Alex
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Re: Please help me identify this neon bulb. « Reply #3 on: September 30, 2025, 03:02:52 PM » Author: Alex
most likely a voltage regulator tube
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Laurens
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Re: Please help me identify this neon bulb. « Reply #4 on: October 01, 2025, 01:36:36 AM » Author: Laurens
No, definitely not a voltage regulator. Those don't have such a big distance between the electrodes.

I think it's either a spark gap/trigger tube, or a stroboscope tube (possibly without the additional trigger grid): https://www.sgitheach.org.uk/strobotron.html
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