Miniature Slotted Optical Switch, VishayThe TCST2103, TCST2202, and TCST2300 are transmissive sensors that include an infrared emitter and phototransistor, located face-to-face on the optical axes in a leaded package which blocks visible light. These part numbers include options for aperture width.Features:• Package type: leaded• Detector type: phototransistor• Dimensions (L x W x H in mm): 24.5 x 6.3 x 10.8• Gap (in mm): 3.1• Typical output current under test: IC = 4 mA(TCST2103)• Typical output current under test: IC = 2 mA (TCST2202)• Typical output current under test: IC = 0.5 mA (TCST2300)• Daylight blocking filter• Emitter wavelength: 950 nm• Lead (Pb)-free soldering releasedApplications:• Optical switch• Photo interrupter• Counter• EncoderSlotted Optical Switches, Vishay