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Thread: Tank Circuit parts

  1. #1
    Constant Bitrate ApoloV's Avatar
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    Tank Circuit parts

    Ok finally getting the last parts together for my setup. What is the best place to get the diode and cap for a tank ciruit?
    After searching it seems as though most ppl are using these:
    MBR6045
    22000uf/25V


    Anybody have any part #s??
    Thanks a bunch..


    Apolo

  2. #2
    Maximum Bitrate gizmomkr's Avatar
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    I dont have a clue what the MBR6045, and Im not about to look it up, cuz I dont need one, but I bet a SEARCH would reveal something....

    If you need a part number for a 2 Farad cap, maybe you shouldnt be building things. (please see my previous posts along the lines of "I dont know why my **** blew up, whats a DMV ?"

    A capacitor can be found at virtually ANY pro car audio shop.
    Gizmo-
    Techonlogy on Wheels
    http://www.hjnetworks.com/car

  3. #3
    Constant Bitrate ApoloV's Avatar
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    MBR6045 is the diode and i dont need a 2farad (bit of an overkill)cap just a 2200uF cap that most are using in their tank ciruits..
    I know i can find these at most electronic shops like digi-key but I was hoping that someone may have a site( company ) that sells these at a good price..
    I have searched and thasts why I chose these two as it seems to be what the majority is going with for effectiveness.

    Anyone have references towards sites with good prices on these components??

    Thanks for the help

    Apolo

  4. #4
    Newbie andymitch1971's Avatar
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    Hi

    you need either a MBR 3045 or a MBR 6045 ( There not really diodes).

    Im in the UK and i tried Maplins yesterday for them. no good though. I saw a link that said Farnell do them cant find the link though.

    Also you could try puting a 12v gell battery in place of the capacitor thats what im gonna do.

    Hope this has been of some help.

    Regards Andy....

  5. #5
    Low Bitrate
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    Quote Originally Posted by ApoloV
    MBR6045 is the diode and i dont need a 2farad (bit of an overkill)cap just a 2200uF cap that most are using in their tank ciruits..
    I know i can find these at most electronic shops like digi-key but I was hoping that someone may have a site( company ) that sells these at a good price..
    I have searched and thasts why I chose these two as it seems to be what the majority is going with for effectiveness.

    Anyone have references towards sites with good prices on these components??

    Thanks for the help

    Apolo
    22000uF is not enough, unless you have a DC-DC power supply or your system draw very little power. I tried 445000uF (closed to 0.5F) and it only work 10% of the time. I used a gel cell instead.

  6. #6
    Constant Bitrate ApoloV's Avatar
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    Yea sorry... I am using a dc-dc power supply. Hopefully the 220000uF will work for me..
    I'd consider using a gel cell but I'm a bit limited on space.. As I'm trying to keep the install as stealth as possible..
    So far I fit my pc and 4ch amp behind my interior panels.

    Thanks for the help guys..
    Any other site in the US? that may carry them?

    Thanks

    Apolo

  7. #7
    Constant Bitrate
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    ok, just went to the farnell site and they have 4 different MBR3045, they are as follows:
    1) MBR3045PT
    2) MBR3045PT
    3) MBR3045CT
    4) MBR3045WT

    Anyone know which one is best to use?

  8. #8
    Newbie
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    I tried a 1F cap supplying a DC-DC supply and it didn't work. Went and got a 12v 7ah battery from Maplin and it worked a treat. Bet you could use an even smaller capacity battery if space is tight.

  9. #9
    Raw Wave
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    Its better to use battery than capacitor.

    Battery are cheaper can hold more charge, and can hold charge at a steady rate before its drops down. Capacitor charge will drop down quickly then slows down.

    I have tried 22000uF on a 4amp load and this cant even hold enough charge for more than 1 seconds. I dont even think 2F can hold charge for more than 10 seconds.

    Im gonna try 12 0.8AH battery from maplin, dont know if thats enough though. I do want it to hold for atleast 1 mins.

  10. #10
    Raw Wave
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    MBR3045WT :

    http://wwww.ges.cz/sheet/m/mbr3045.pdf
    http://www.vishay.com/docs/88677/mbr3045c.pdf

    Those seems to be the standard case style most poeple uses...TO-247, TO-220

    The other is TO-3 or something which is much bigger, not sure.

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