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2sd300c17a2driveigbt 2sd315ai 2ed300c172sd300c17a1st-- s
sts-2sd300c17a22sd315ai -2ed300c172sd300c17a1driveigbt
driveigbt 2sd300c17a1st-2sd315ai2ed300c17 2sd300c17a2 -s
2ed300c17driveigbt-s 2sd315ai2sd300c17a2- st2sd300c17a1
2ed300c17 sst driveigbt 2sd315ai2sd300c17a2-2sd300c17a1-