The TCRT5000L is reflective sensor which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips.FeaturesPackage type: leadedDetector type: phototransistorDimensions (L x W x H in mm): 10.2 x 5.8 x 7Peak operating distan..
TIP122 NPN Power Darlington Transistor
Designed for general purpose amplifier and low speed switching applications
Datasheet:
https://www.fairchildsemi.com/datasheets/TI/TIP120.pdf
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