QSE122 (Fairchild Semiconductor) PLASTIC SILICON INFRARED PHOTOTRANSISTOR PLASTIC SILICON INFRARED PHOTOTRANSISTOR QSE122 PACKAGE DIMENSIONS 0.175 (4.44) 0.087 (2.22) Ø 0.065 (1.65) 0.050 (1.27) 0.200 (5.08) Ø 0.095 (2.41 (9 views)