2SA1941-COPPER 2SA1941L 2SA1941-O 2SA1941-O(Q 2SA1941-O(Q) 2SA1941-O(Q) 其他IC 2SA1941-O(Q)/2SC5198-O(Q) KIT 2SA1941-O(QT) 2SA1941-O(ROHS) 2SA1941-O(S1