2SA1943N(ROHS) 2SA1943N(S1 2SA1943N(S1,E,S) 2SA1943N(S1,X,S) 2SA1943N(S1ES) 2SA1943N(S1XS) 2SA1943N/2SC5200N 2SA1943O 2SA1943-O 2SA1943-O / 2SC5200-O