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IRF840STRPBF IRF840STR IRF840S F840S TO-263 MOS 场效应管
全新IRF842PBF IRF841PBF IRF840STR IRF840PBF IRF840LCS
贴片直插IRF9952PBF IRF9630PBF IRF840SPBF IRF9530STR 9
必原KSC2682-O KSA1156OS KSA1156-O IRF9952TR IRF840STR原装