Sharp Microelectronics GP2S27T Current - Collector (ic) (max): 20mA Current - Dc Forward (if): 50mA Mounting Type: Surface Mount Operating Temperature: -25?°C ~ 85?°C Output Type: Phototransistor Package / Case: 4-SMD Response Time: 20?µs, 20?µs Sensing Distance: 0.031" (0.8mm) Sensing Method: Reflective Series: - Voltage - Collector Emitter Breakdown (max): 35V Other Names: 425-1094-2