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Wanted qty-4 TH562 / SD1731 PA Transistors

Discussion in 'Electronic Repair' started by Graham, Jan 12, 2013.

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  1. Graham

    Graham Guest

    Wanted qty-4 TH562 / SD1731 PA Transistors

    Any ideas as to supply of 'genuine' items ?

    Tnx -Graham
  2. Phil Allison

    Phil Allison Guest


    ** FYI to readers:

    these are obsolete "strip line" RF transistors made by " ST " for use in
    SSB, linear amplifiers up to 30MHz ( ie the HF band).

    The OP knows there are offers from on-line dealers in HK & China at about
    US$ 85 a piece.

    But he has nagging doubts ...

    I would too.

    ..... Phil
  3. Graham

    Graham Guest

    Yes had from MLC , 4 duff below spec items .in the process of returning

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