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by fmojzesz
Mon Mar 06, 2006 2:16 pm
Forum: General Discussion
Topic: lost voltage
Replies: 3
Views: 1008

lost voltage

I am using 3010 opto isolator to turn on a 30 ohm electro magnet. The output voltage is 15 volts so the current should be .5 amps less the 3010. What's happening is the voltage accross the emag is only 3 volts with a current of .075 amps. I have tried power supplies of 2A and 5A and get the same res...