On Wed, Oct 29, 2008 at 2:24 PM, Jason Stahls <> wrote:
> Yan Seiner wrote:
>> Anyone know if I need MOVs/zeners on fluorescent lights?
>
> You shouldn't need them, the transformers in the balast shouldn't create
> that much back EMF but it's not a bad idea anyways. You never know when
> someone might want to connect something else, or worse connects
> something inductive not knowing that they need MOVs...
Since you are using AC, I think you need to use an RC snubber, not a
MOV/Zener/TVS.
Look at http://en.wikipedia.org/wiki/Snubber#Electrical_systems. In
particlar, they say:
"In ac circuits a rectifier diode snubber cannot be used; if a simple
RC snubber is not adequate a more complex bidirectional snubber design
must be used."
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