ADVANCED PHOTONIX STS-88-058 Transmissive Photo Interrupter, Phototransistor, Panel / Chassis, 3.8 mm, 50 mA
Heat sink 50.8 mm 9 K/W black anodised, SK 104/ 50,8/ STS, Fischer Elektronik
Heat Sink Passive TO-220/SOT-32 Extruded Thru-Hole 18.2K/W Black Anodized