Re: Relay Recommendation
- From: "Dan Hollands" <dhollan3@xxxxxxxxxxxxxxxx>
- Date: Sun, 30 Oct 2005 14:43:54 GMT
Relays will never be able to protect against overvoltage
You need something called a tranzorb or TVS (transient voltage supprressor)
Dan
--
Dan Hollands
1120 S Creek Dr
Webster NY 14580
585-872-2606
QuickScore@xxxxxxxxxxxxx
www.QuickScoreRace.com
"Captain Blammo" <eas6@xxxxxxxxxxx> wrote in message
news:MTQ8f.116093$Ph4.3556513@xxxxxxxxxxxxxxxxxxxxxxxxxx
> I'm trying to put together a protective device for the hotshoe on my
> digital
> camera. All that triggering an external flash requires is connecting its
> two
> terminals together through the camera, but most digicams will fry if
> exposed
> to more than 6v fed down the line by the flash unit.
>
> I'm thinking that one or two AA batteries and a relay connected to the
> camera would be just fine to protect against overvoltage, but the relay
> needs to operate as close to instantly as possible and be able to pass
> voltages from, say, 3 to 1000v on the flash unit side with no ill effect.
>
> I had a look in the digikey catalogue, and just ended up getting confused
> by
> the vast array of relays and mystery variables listed with them. Since
> I'll
> be staking the life of the irreplaceably expensive camera on this, I was
> wondering if someone could do me a huge favour and recommend the
> appropriate
> part.
>
> Thanks for any help!
>
> CB
>
>
.
- References:
- Relay Recommendation
- From: Captain Blammo
- Relay Recommendation
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