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Help Identifying & Locating Parts

Discussion in 'Electronic Basics' started by Louis Bybee, Sep 7, 2004.

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  1. Louis Bybee

    Louis Bybee Guest

    It's been a while since I have played with board level components, and I
    guess I need to return to school!

    I have been trying to identify & locate two types of parts for a battery
    charger, and I can't seem to find any references in the places I used to
    look.

    I would appreciate assistance locating web sites that will allow me to look
    up the following parts (I found a Motorola parts site, but the part number
    didn't come up).

    The first is a diode from Motorola with a part number of T9407.

    The second I suspect is a power transister, or SCR in a TO-220 type package
    with a mfg logo marking of ST inside a square, and what I believe to be a
    part number, BTW69-200NS.

    The two above items are from a Schaumacher Battery charger Model 612A-PE (a
    schamatic would be nice, but I believe I can effect repairs without it if I
    can locate parts).

    Thank you.

    Louis--
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  2. My guess is that this is a data code (1994, 7th week)
    You can enter BTW69 into google and find a data sheet. At least that
    number seems to refer to an SCR.
     
  3. Hi,

    It's using the European numbering system and is a 200V 32A SCR.

    The connections are K-G-A left to right.


    Cheers - Joe
     
  4. Louis Bybee

    Louis Bybee Guest

    I had typed the entire number into google with no luck. Eliminating the -200
    produced results. Apparently the 200 volt part is dead.

    The diode from Motorola with a part number of T9407 is the only marking
    other than the Motorola Logo on the device. It is a small button device that
    appears to be spot welded, or glued to the heat sink, and a spade connection
    on the other side. I guess I can work past not having a data sheet with the
    assumption that with the logo oriented as you would normally read it the top
    is the Anode?

    I suspect substituting a stud mount type with sufficient voltage and current
    specs would work.

    Thanks for the response.

    Louis--
    *********************************************
    Remove the two fish in address to respond
     
  5. Louis Bybee

    Louis Bybee Guest

    Makes sense as the part also has Morocco on it.

    Thank you.

    Louis--
    *********************************************
    Remove the two fish in address to respond
     
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