First line: NF5458 NPD5566 BFY91 2N3050 NPD5564 Linear Integrated Systems U.S. based, full service semiconductor manufacturer specialty linear products. Since 1987, have been supplying replacements over 2000 discrete devices which currently offered were discontinued Calogic, Interfet, Intersil, Micro Power SystAbstract: .. 2N6091LS121 LS121 2N6092 2N6092 LS121 LS121 2N6441 2N6441 LS122 LS122 2N6442 2N6442 LS122 LS122 2N6443 2N6443 LS122 LS122 2N6444 2N6444 LS122 LS122 2N6445 2N6445 .. Tags: NPD55642N3050BFY91NPD5566NF5458datasheet abstract..