Optical Sensor with Phototransistor Output – TCST2103

Description The TCST2103, 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.  Applications Optical switch Photo interrupter Counter Encoder 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 released Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC Technical Specifications GAP Width: 3.1mm Aperture Width: 1mm Typical Output Current Under Test: 1mA Daylight Blocking filter: Yes Total Power Dessipation (Ptot): 250mW Ambient Temperature Range: -55C to 85C Reverse Voltage (VR) : 6V Current Transfer Ratio: 10% (Min), 20% (Typical) Collector Test Current: IF = 20mA Documents and Downloads TCST2103 Datasheet Photo Interrupter Basics – An informative blog on photointerrupters Arduino Playground – Tachometer TachFive – An Arduino Tachometer Library Package Includes 1x Optical Sensor with Phototransistor Output – TCST2103