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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

    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.

    Remove the two fish in address to respond
  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.

    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.

    Remove the two fish in address to respond
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