r Cathode Emitter Anode TOP VIEW 0.5 C0.7 2.5±0.2 (7.5) 10 -00.2 SG240 。 。 SG240 is a transmission type photointerrupter combined high power infrared LED with high sensitive phototransistor, suitable for highly acurate position detecting. 4x□0.45 (10.3) 8 (2.