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Unknown Transistors

Discussion in 'Datasheets, Manuals and Component Identification' started by Raven Luni, Feb 6, 2012.

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  1. Raven Luni

    Raven Luni

    798
    7
    Oct 15, 2011
    Greetings,

    I've been going through my component collection and have some transistors that need identifying. I've tried several searches and all I get are parasitic search sites with no information.

    - TFK 9624 BUX127 VDO
    - TFK 9630 BUX127 VDO
    - TESLA BUF742MA 07
    - G0241C RN
    - TESLA KD501 A69321
    - TESLA BUF036A 08
    - TESLA BUF725D 07
    - IFK BSX45/10 448
     
  2. Resqueline

    Resqueline

    2,848
    2
    Jul 31, 2009
    You probably included too much in the search.

    BUX127: NPN Darlington, <1 MHz, 15A, 400V. BU 931P, BU932P, BUT51P, & BUV37 are similar transistors.

    BUF742: NPN HV switch, >4MHz, 5A, 400-900V, 50W, TO-220.

    BUF725D: NPN HV switch w/diode, >4MHz, 5A, 400-700V, 40W, TO-220.

    BSX45: NPN medium power, >50MHz, 1A, 40-80V, 6W, TO-39. The /10 denotes the gain range (20-100).

    KD501: NPN power, >2MHz, 20A, 40V, 150W, TO-3.

    Datasheetarchive is often helpful, having cross ref's & spec' sheets if not anything else.
     
  3. Raven Luni

    Raven Luni

    798
    7
    Oct 15, 2011
    Thanks. Why would the BUX127s have different numbers though - one is 9624 and one is 9630
     
  4. Resqueline

    Resqueline

    2,848
    2
    Jul 31, 2009
    That's just the manufacturing date, 1996 - week # 24 & 30. ;)
     
  5. Raven Luni

    Raven Luni

    798
    7
    Oct 15, 2011
    Ah. Thanks :D
    These should be perfect for regulator current boosting :)
     
  6. sauroman1

    sauroman1

    34
    0
    Apr 3, 2012
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