Author Topic: Small flourescent tubes  (Read 2412 times)
Binarix128
Member
*****
Offline

Gender: Male
View Posts
View Gallery
220V AC 50Hz, NTSC


GoL UCOUT2noI2R__jgPSJUjGRtA
Small flourescent tubes « on: May 26, 2020, 11:36:11 PM » Author: Binarix128
I wonder If there are tubes smaller than T5F5.
Logged
dor123
Member
*****
Offline

Gender: Male
View Posts
View Gallery

Other loves are computers, office equipment, A/Cs


WWW
Re: Small flourescent tubes « Reply #1 on: May 27, 2020, 11:46:15 AM » Author: dor123
4W T5 is the smallest standard fluorescent lamp that available commercially, but there were fluorescent nightlights with even smaller tubes.
Here are the smallest prototype hot cathode fluorescent lamps made: https://www.lighting-gallery.net/gallery/displayimage.php?pos=-69626
And here are the smallest prototype cold cathode fluorescent lamps made: https://www.lighting-gallery.net/gallery/displayimage.php?pos=-69625
Logged

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

joseph_125
Member
*****
Offline

Gender: Male
View Posts
View Gallery


GoL
Re: Small flourescent tubes « Reply #2 on: May 27, 2020, 11:25:49 PM » Author: joseph_125
The smallest I've seen in stores was a 1 watt CFL sold as replacements for a solar powered floodlight. I've never actually seen the fixtures they were designed for though, as by the time fluorescent solar lights have already been killed off by LED solar lights.
Logged
Medved
Member
*****
Offline

Gender: Male
View Posts
View Gallery

Re: Small flourescent tubes « Reply #3 on: May 28, 2020, 01:47:36 AM » Author: Medved
There are lower wattage fluorescents, but mainly the CCFL type, due to the efficacy reason (keeping cathodes hot requires power which is not scaling down that much).

I have seen 1W hot cathode wired in a standard hot start electronic ballast.
Then the cold start nightlights are quite common too, but these have the filaments shorted and use auxiliary probe to start.
But the lowest standardized power rating I know is is indeed the F4T5...
Logged

No more selfballasted c***

Diamondback Dave
Guest
Re: Small flourescent tubes « Reply #4 on: May 28, 2020, 12:10:59 PM » Author: Diamondback Dave
I have seen some of those small hot cathode in use as instrument lighting at Air Products in Chandler, AZ.  Probably worked better for them since the lights are on 24 hours a day.
Logged
Froggy05
Member
***
Offline

Gender: Male
View Posts
View Gallery

Re: Small flourescent tubes « Reply #5 on: May 30, 2020, 03:18:38 AM » Author: Froggy05
I've seen small fluorescents in some night lights.
Logged
Print 
© 2005-2024 Lighting-Gallery.net | SMF 2.0.19 | SMF © 2021, Simple Machines | Terms and Policies