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seeking FET's working at 4.2Kelvin

Discussion in 'Electronic Components' started by Peter Nyffeler, Sep 26, 2003.

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  1. I have to build a LF amplifier stage working in liquid helium.
    Those I found in the literature as CF739 (Siemens), SGM2006M, 3SK164 (both
    Sony) are discontinued.
    Does any one know some types available for this job?
    Or even better is there a web page listing electronic components working at
    cryogenic temperatures?

    Peter Nyffeler mailto:
    Tel P 01 363 62 42, Tel G 01 632 43 60, Fax G 01 632 10 21
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