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Shadow

macrumors 68000
Original poster
Feb 17, 2006
1,577
1
Got one for the electronics people here!

Do transformers always output their specified output current? I need to power some 12V LEDs off a transformer I have. It says on it the input current is 120mA and the output is 1.2A. However, the LEDs I'm using don't need 1.2A. If I use the transformer will I be running the risk of blowing the LEDs?
 
Got one for the electronics people here!

Do transformers always output their specified output current? I need to power some 12V LEDs off a transformer I have. It says on it the input current is 120mA and the output is 1.2A. However, the LEDs I'm using don't need 1.2A. If I use the transformer will I be running the risk of blowing the LEDs?

transformers change the votage of AC current. Wattage = Volts*Amps. the 120mA just telling you the max amperage on a 120V line that the transformer can pull. It can always pull less.
 
The LEDs are using 12V DC so it sounds like it should be fine. Thanks for all your help :)
 
I thought so too. I was hoping to see hot pictures of Megan Fox. This thread has ruined my day. I'll have a cookie and forget my woes.

PS: This is my post #999 and I'm about to grow up. So, all you fellow MR members: I'll see you on the other side. it's been real.
 
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