FS5SM16A Mitsubishi Transistor 5 Piece Lot MITSUBISHI FS5SM16A Transistor. The notation in the item title, (i.e. (IC-BOX20) or (JL-2A) or (2SAB2) etc.) are internal item locations only, they DO NOT indicate lot size. 5 Piece Lot. Unless otherwise noted all pricing is for a single piece. byJuly 3, 2026