RC CAR Blown transistor

Discussion in 'The Projects Forum' started by stanman11, Sep 2, 2011.

  1. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
    4
    I have a vintage rc car and a nut fell off for the heat sink cause the transistor to burn out. I'm not sure if its all 4 or just the one
    Theres 2 black and 2 green. I used a red light to focus the camera and you can see the bottom of the Green transistor looks toasty
    I found 2sc3420 and its over 8 bucks for 1

    Black:
    T Y
    C3420

    Green
    T Y
    41357


    [​IMG]

    [​IMG]
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    I'm wondering if that could be an A1357 instead, which would be a 2SA1357?
    Datasheet: http://www.datasheetcatalog.org/datasheet/toshiba/3074.pdf
    Seems like it could be reasonably complementary to the 2SC3420.

    Now the thing is - do you want to try to keep it as original as possible, or do you just want it to run again?
     
  3. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    The second one could be a 2SA1357. You didn't ask any question, do you want to find a replacement?

    edit: sgt was faster. again. :)
     
  4. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
    4
    yes i would like to find a replacement
     
  5. praondevou

    AAC Fanatic!

    Jul 9, 2011
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  6. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
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    I think your both right, its an "A" must be
    i found the parts but 6 bucks for shipping on a 1 dollar part i might just trash this thing if i need all 4
     
  7. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    Futurelec gives me $2,70 for the parts and $4 for shipping, to Canada, maybe it's cheaper in the US?

    So total for 4 transistors would be $6,70 for me.
     
  8. stanman11

    Thread Starter Member

    Nov 23, 2010
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    it would be over 14 bucks for me
     
  9. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    So what's your location? maybe we can find a cheaper supplier.
     
  10. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
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    yes im US. I tried that site but it wont let me order anything
     
  11. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    Well, that's very strange... However I never actually ordered something from their site. I made the test till the part where it calculates shipping costs...
     
  12. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
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    That site says 60 for ech part but says nothing about shipping and I cant click on anything lol
     
  13. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    See the two pictures, you click on ORDER which brings you to the next screen. If you want to order more you need to go back select the next item and click again on ORDER.

    Then you click on "new customer".

    Then put in your address and click ENTER. Brings you to the checkout site indicating shipping costs , there are several options. I didn't go further.
     
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  14. stanman11

    Thread Starter Member

    Nov 23, 2010
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    When I click order, it stays on the same page. then if i click the cart it will show up in the cart and then I can do new customer.
     
  15. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    IE7 does it like this, Firefox not... shouldn't be a problem.
     
  16. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
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    I think i'm going to have to find an alternative transistor.
     
  17. praondevou

    AAC Fanatic!

    Jul 9, 2011
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    That's why I asked what your local supplier/electronics store is. If $4 shipping cost is too much you'll need to buy one in a store, right. Either they have an online catalog or you would have to find a transistor with similar characteristics and see if they have them.. IMO it's easier to find out if they have catalog first look through it, and then look for a transistor that you could use.
     
  18. stanman11

    Thread Starter Member

    Nov 23, 2010
    230
    4
    we have a radioshack, And its really a shack lol. They have a small wasll with diodes and stuff but not much of anything really
     
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