Do I need galvanic isolation for flash units

Title basically says it all

Do I need galvanic isolation for flash units

Postby jacques12 » Tue Oct 21, 2014 9:20 pm

Hello,

I want to ignite some old flash units via a circuit that is controlled by my camera. The voltage on the flash contacts is up to about 300 volts. My camera works with a flash unit where there is 5 volts on the contacts. What are the benefits of galvanic isolation? I can protect my camera with a zener. The chance that I receive a shock myself does not seem greater to me than when you have the flash unit in hand after it is charged and not ignited. Is it unwise to ignite the unit with a triac with a low voltage on the gate. I place the triac inside the flash unit, with a lead to my circuit on another place.
jacques12
 
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Re: Do I need galvanic isolation for flash units

Postby SophieRichard » Wed Dec 31, 2014 9:37 am

i think it doesn't need
SophieRichard
 
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Joined: Thu Dec 25, 2014 6:42 am


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