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LEDs 12 Volts?

Discussion in 'LEDs and Optoelectronics' started by Rick79, Oct 15, 2017.

  1. Rick79

    Rick79

    268
    3
    Nov 26, 2014
    I have these LEDs, i cant find any information on them. Does anyone recognize them? I needed to know the voltage and amps that i should use. I will be using them in my home if possible. Thanks.
     

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  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,178
    2,690
    Jan 21, 2010
    My guess is that they probably run from 12V and draw about 300mA in total.

    Try a lower voltage first and measure the current.
     
  3. Rick79

    Rick79

    268
    3
    Nov 26, 2014
    Ok, thank you
     
  4. FuZZ1L0G1C

    FuZZ1L0G1C

    367
    112
    Mar 25, 2014
    Looks like 12V UB (Ultra-Bright) LED rope-light segments.
    Very similar to ones I bought recently.
    If 12V, no external resistor necessary as Rs built-in.
    I get 292 mA per segment at 11.97VDC.
    Multiply qty segments to calc total current.
    Or just connect them and check amperage.
    They use two common rails, positive and negative, so LED-segments are paralleled.
    Ensure correct polarity.
    Wow, these U/B strips are BRIGHT!
     
  5. Rick79

    Rick79

    268
    3
    Nov 26, 2014
    Thank you!
     
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