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  1. #1

    Exclamation HELP: Can 12Volts CPU FAN Powered by 16Volts AC Adapter... ?


    kAnANg 16VOLTS OUTPUT nAh AC ADAPTER bAh... pUwEdE nEh c'yA gAmiToN nAkO to OPERATE d' 12VOLTS DC nAh CPU FAN...
    iS dr AnyThiNg i cAn dO pArA mAgAmiT nEh c'yA...
    VOLTAGE REGULATOR bAh Or RESISTOR Or DIODE Or E.SERIES CIRCUIT nAkO AnG 2FAN 2 crEaTe 24VOLTS...
    sAkTo bAh... hEhEhE....
    Last edited by hydrozam; 02-26-2010 at 04:50 PM.

  2. #2
    pwede bro but not advisable.. I'm powering few fans of mine @ 15.5v... but for soldering purposes lang hinuon...

    to create 24volts, you need, two 12volts source...

    first +12v connected to positive terminal of your fan, next the ground of your first voltage source will be connected to +12v of second voltage source, the ground then of your 2nd voltage source will be connected to your fan..

    + terminal of Fan -> +12v first voltage source or vsource
    the ground of first vsource -> +12v of secound vsource
    the ground of 2nd vsource -> - terminal of fan

    that's a series connection...

    if you do in parallel, mag short circuit na..
    2 Voltage sources in parallel..

  3. #3
    di ko mo advice ana kay di na ma da sa tolerance. dako raman ang 16 para sa 12volts. dali ra na masunog bai. may nang maglikay ta sa disgrasya kay dili siya designed og higher na voltages delikado.
    Last edited by limes; 02-26-2010 at 10:01 PM.

  4. #4
    C.I.A. werty's Avatar
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    di ko mu advice higher voltage than required pre.. dali ra masunog ang coils sa imo fan or ang mga LED ana if musiga type nah..

    ug pwede, himui lang na ug 12v regulator.

  5. #5
    Remember, plastic ra bya na imong fan.

  6. #6
    pwede nimo gamitan ug resistor para mo lower ang voltage pero mo init sad ang resistor. make sure kaya sa resistor ang pila ka watts na capacity sad sa imong fans para way masunog nilang duha.

  7. #7
    curious lang ko,

    1. unsaon nang +12V cpu fan? ngano duha man? are you going to repurpose it?
    2. kung gamiton sa mobo diay, wala kay +12V?

    to Qs, either one of these..
    1. you can use a voltage regulator LM7812, to power your fan.. pero redundant na.
    2. you can add a resistor but you have to look for the correct value para mapaubsan nimo ang supplied voltage para sa fan. this is by trial & error..
    3. you can do the series connection using 2 fans. if same ang fan, each fan will be driven by 8volts by that +16V adapter.

  8. #8

    Red face TsALamAT sAh nG.rEpLy....

    Quote Originally Posted by ethzneuron View Post
    curious lang ko,

    1. unsaon nang +12V cpu fan? ngano duha man? are you going to repurpose it?
    2. kung gamiton sa mobo diay, wala kay +12V?

    to Qs, either one of these..
    1. you can use a voltage regulator LM7812, to power your fan.. pero redundant na.
    2. you can add a resistor but you have to look for the correct value para mapaubsan nimo ang supplied voltage para sa fan. this is by trial & error..
    3. you can do the series connection using 2 fans. if same ang fan, each fan will be driven by 8volts by that +16V adapter.
    AkO E.REPURPOSE sEr... TsALamAT nEnyO TanAn... i ThiNk i hAvE 2 FiNd A 12Volts AdApTor nLnG jd pArA SAFE... LisOd nAh... AkO pLan mAn gd UnTA AnG AkOnG LAPTAP 16Volts AC Adapter bAh... mAo 2....

    AwkEy rAmAn nAnG MULTI-VOLTAGE CANON AdApTor nUh dn E.SET LnG nAkO Ug 12volts bAh... ?

  9. #9
    ok ra na oi as long as nag output siya ug 12volts DC dili ac. mas mo recommend ko mo palit ka ug fan na diristo na 220ac ang input nya mao imo himuon ug cooler. saba2x lang nuon nya di nimo ma controll.

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