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Anyone interested in a 11kJ cap? — Parallax Forums

Anyone interested in a 11kJ cap?

mctriviamctrivia Posts: 3,772
edited 2010-04-26 14:20 in General Discussion
Anyone interested in this cool super big cap?


If I can order 10 or more I can get them to you for $95US Shipping included to anywhere in the US.

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Comments

  • ScopeScope Posts: 417
    edited 2010-04-21 01:56
    View larger image = same as original image.

    Why do they do that? nono.gif
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-21 02:02
    probably standardised html code and inputed picture is not high res. That would happen on my web site if i did not put in 1000pixel wide high res photos.

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    Lots of propeller based products in stock at affordable prices.
  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2010-04-21 02:28
    Thread invasion. Anyone want MY super big 68,000 uf 40V High quality cap? It's the size of a soda can! Payment in trade. Preferably a PropNIC or parts for one. Will ship for free.

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    Use the Propeller icon!! Propeller.gif

    Follow me on Twitter! Search "Microcontrolled"
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-21 02:38
    lol. just so you know 68mF is 1/45000 the size of this cap. though physically this cap is 15x6cm so about the size of a 500mL pop(soda) can.

    Though I hope you get the trade.

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    Lots of propeller based products in stock at affordable prices.
  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2010-04-21 15:53
    I'm asking for less, though

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    Check out my new website!!

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    Follow me on Twitter! Search "Microcontrolled"
  • Peter KG6LSEPeter KG6LSE Posts: 1,383
    edited 2010-04-23 20:45
    That is a BFC !! Its Only $90 I am SO getting a few . I have some Ideas .


    My Tesla friend has a 200uF 20KV Cap that's Lots of fun . [noparse]:)[/noparse] I ment Micro not mega LoooLs

    think Fridge sized


    Me I have a .046 uF 25Kv fot My TC that packs a punch ..
    Large lunchbox
    Behind It is a Maxwell Pulse Cap at 30Kv .030 uF

    base1.jpg


    MeAndPig.jpg
    its Pig Powered !

    Gahh I feel Old looking at these photos .


    Peter KG6LSE

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "Carpe Ducktum" "seize the tape!!"
    peterthethinker.com/tesla/Venom/Venom.html
    Never underestimate the bandwidth of a station wagon full of tapes hurtling down the highway. —Tanenbaum, Andrew S.
    LOL

    Post Edited (Peter KG6LSE) : 4/23/2010 9:12:16 PM GMT
  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2010-04-23 20:49
    Mine's only $30.

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    Use the Propeller icon!! Propeller.gif

    Follow me on Twitter! Search "Microcontrolled"
  • hover1hover1 Posts: 1,929
    edited 2010-04-23 20:55
    @Mirco

    I don't think you understand. Mat's caps are 3000 FARAD! Your's is 68,000 uf, (read micro). A lot of zeros difference.

    Jim
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-23 20:56
    Micro yours is 54J
    Peters is 23J and his friends is 40KJ

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    Post Edited (mctrivia) : 4/23/2010 9:15:21 PM GMT
  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2010-04-23 21:06
    @hover1: Sorry, I was thinking 3000 MICRO farad. Mine are 6.8 farad, not near 3000. :-(

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    Use the Propeller icon!! Propeller.gif

    Follow me on Twitter! Search "Microcontrolled"
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-23 21:09
    micro you may want to try your math again. yours is 0.068 F

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  • MicrocontrolledMicrocontrolled Posts: 2,461
    edited 2010-04-23 21:13
    I meant to say mf not uf. It is 6.8 Farads.

    ARG! If it's only .068 F and only 40V, what would make it SO physically big? Temp rating? It is -40 to 105 C. I think it's just old.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    Check out my new website!!

    Use the Propeller icon!! Propeller.gif

    Follow me on Twitter! Search "Microcontrolled"
  • hover1hover1 Posts: 1,929
    edited 2010-04-23 21:18
    It may be a little old, but they are still around. I have about a dozen of your same cap's that were used in a lot of 100-300 watt amplifiers in the 70's and 80's. I keep them around to repair my friends amps.

    Jim
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-23 21:18
    i see your correction. I assumed small m. Still did not think a 0.2F at 20kV cap existed. You could make a 0.375F at 20kV using 8000 of the caps i mentioned in series. Would cost $500,000 though.

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    Lots of propeller based products in stock at affordable prices.
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-23 21:21
    micro a 0.068F cap is pretty big. I have a 0.5F@ 12V(36J) cap that is bigger then the cap I listed. The reason is the way the caps are made is completely different. Read this for more info


    Peter KG6LSE how many would you take? I am trying to get over 10 so we can get a discounted price.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    Lots of propeller based products in stock at affordable prices.
  • Peter KG6LSEPeter KG6LSE Posts: 1,383
    edited 2010-04-23 21:29
    right now I m kinda broke ..College is not cheap . Summer is when I get Some " play cash "..

    But I will PM you If / When I do .. probably Only 2 as it = 5V series ..

    Peter KG6LSE

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    "Carpe Ducktum" "seize the tape!!"
    peterthethinker.com/tesla/Venom/Venom.html
    Never underestimate the bandwidth of a station wagon full of tapes hurtling down the highway. —Tanenbaum, Andrew S.
    LOL
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-23 22:01
    no problem. I am short on cash myself also.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    Lots of propeller based products in stock at affordable prices.
  • mctriviamctrivia Posts: 3,772
    edited 2010-04-26 01:28
    Here is a 364J cap I built. It is 4F at 13.5V

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    Lots of propeller based products in stock at affordable prices.
    364J.jpg
    1002 x 1962 - 326K
    364J.jpg 326.2K
  • zoopydogsitzoopydogsit Posts: 174
    edited 2010-04-26 04:14
    Hey Mctrivia, you've peaked my curiousity. What are you planning to do with these?

    2.7V or 2 in series for 5.4V with a lot of grunt for some kind of power fail circuit? or using it as a power source for a spot welder? tongue.gif I'm really curious.....

  • mctriviamctrivia Posts: 3,772
    edited 2010-04-26 14:20
    Experimentation on how to shield against the huge EMF generated by using it as a spot welder.

    But unfortunately I just got laid off from my day job for the next 2 months until some jobs start up so I have no cash to play with this kind of stuff for the time being.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    Lots of propeller based products in stock at affordable prices.
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