Klantbeoordelingen

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  • 2019-01-20 02:27:24

    в работе не проверял. продавцом доволен

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  • pkrato
    AT
    2020-08-07 09:52:41

    Very bright and the power consumption says about 5W even at 9 volts - eventually rebuy this...

    Reacties
  • reikamf
    ES
    2020-06-25 18:39:51

    excelen te material , muito bom super recomendado para adptar leds a equipos antigos ou com pouco espaó

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  • 2020-08-13 01:41:28

    very good!

    Reacties
  • 2020-05-04 04:54:01

    Vše dorazilo v pořádku!

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  • 2020-03-28 11:27:17

    nice price, very bright

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  • bikaver
    CZ
    2020-02-04 07:10:20

    Vše OK

    Reacties
  • Fuchs80
    DE
    2020-01-16 08:59:43

    super fast, perfekt

    Reacties
  • 2017-11-06 16:43:05

    Attenzione: Il COB non può essere collegato direttamente ad una batteria o ad un alimentatore da 12V perché non ha una resistenza interna per la limitazione della corrente. Per una corretto funzionamento può essere collegato a un alimentatore da 12V con in serie una resistenza da 8-10 ohm 2W oppure ad un alimentatore a corrente costante (ad es 350 mA). Con 350 mA la tensione ai capi del COB è di circa 9V e la potenza è di circa 3W.

    Reacties
  • iedutz
    BE
    2017-09-22 09:33:59

    specifications are 9-12V, but when I connected at 11.7V, 2 LEDs burned out and the plate started to heat up very fast, in 15 sec I couldn't hold it in my hand. So definitely it is not made for 12V!

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