What drives them?

Question

These 16W D-shaped tubes like this:We have an older Astro Osaka Ceiling light that uses one of these, andthe other day when I turned it on, it lit for a fraction of a secondand then went off. The unit was getting volts (checked with a meter),and the lamp was OK (checked using another identical fitting) so thatonly leaves the electronics gubbins that drives that lamp. But whatdoes it do and is it likely to be available anywhere as a spare?All those Astro Osakas seem to be LED these days.

charles · Accepted Answer

In article

newshound · Answer

Horrible things compared to modern LEDs. Don't they just have a relatively traditional ballast? Not quite sure why some have two pins and some four.

I have an old work light using one of the large ones, I replaced that with a LED plug-in replacement. I think I had to remove the ballast. It doesn't compare particularly well with a modern LED worklight.

I have three in my kitchen, because they sit in fairly big holes in the plasterboard it will have to wait until I decorate but I expect I will replace them with flat panels.

Robin · Answer

2 = integral starter4 = external starter

Tim Streater · Answer

In article      Robin     wrote:Inter-esting.In any case the part, OP-YZ28D, appears to be unavailable.

Bob Eager · Answer

Harry Bloomfield, Esq. · Answer

It happens that Tim Streater formulated :That will be a choke and a starter. You can get replacements.

Brian Gaff (Sofa 2) · Answer

Not sure they have one, are they not soft start electronic ballasts? Brian

Tim Streater · Answer

In article     >, Bob Eager     wrote:I think that, in fact, that may well be the badger. I saw that earlierbut it appeared to be the wrong shape, however I see now that it ismerely boxed. The unboxed image is incomplete, but OTOH shows the labelclearly and it matches the label on mine in every respect. Thanks formaking me take a second look - I'll see if Astro has one (unlikelyperhaps as it's not in their spares catalogue) and if not risk gettingone off ebay.

What drives them?

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