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Osram Dulux EL 20w CFL Found end of last year in a family run hardware store. Unfortunately the glue at the base of the tubes is a bit loose.

Osram Dulux EL 20w CFL

Found end of last year in a family run hardware store. Unfortunately the glue at the base of the tubes is a bit loose.

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File information
Filename:Screenshot_20200406-130112.jpg
Album name:LAllenLighting / CFL lamps
Manufacturer:Osram
Type/Model:Dulux EL
Wattage:20w
Date manufactured:1988
Filesize:296 KiB
Date added:13 Sep, 2020
Dimensions:1124 x 956 pixels
Displayed:14 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=14579
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Comment 1 to 3 of 3
Page: 1

BC5-80   [01 Oct, 2020 at 02:46 PM]
Those last for ever - well, until the starting PTC thermistor falls out due to the high operating temperature or the DC smoothing capacitor fails due to the high ambient temperature. That was my experience in the 1990s anyway.
Oliver   [01 Oct, 2020 at 02:48 PM]
Most CFLs I had got failed ballasts before the tube went. My 8w Genie was like that, it would flicker when it tried to start up but since the tube was only 8w it would get going eventually.
BC5-80   [01 Oct, 2020 at 04:53 PM]
I've noticed that on those Genies as well. Flickering at switch-on or even at switch-off is caused by insufficient base drive to the transistors for the amount of transistor gain. It results in the oscillator stalling and restarting.

Comment 1 to 3 of 3
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