QED233 (Fairchild Semiconductor) PLASTIC INFRARED LIGHT EMITTING DIODE PLASTIC INFRARED LIGHT EMITTING DIODE QED233 PACKAGE DIMENSIONS 0.195 (4.95) QED234 REFERENCE SURFACE 0.305 (7.75) 0.040 (1.02) NOM 0.800 (20.3) M (17 views)