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Does AC loads will cause noise when used for 24Vdc relays in PCB?

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auto_mitch

auto_mitch

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Hi!
I have built a microcontroller project with an ATtiny2313 which drives a few 24Vdc relays. The switches of the relay turn on-off 230Vac loads. My question is that will ac voltage bring on noise to my pcb? Is it usual that a dc relay drives ac loads?
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24Vdc Relay-ac loads

"My question is that will ac voltage bring on noise to my pcb?"


No it won't bring any noise. and if you are worry you may add a .01uF capacitor between Vcc and ground to act as a filter for any noise that may interfere with your circuit.
 

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