The LTH-301A from LITE-ON is a Photointerrupter with Power Dissipation 75 mW (Input), 100 mW (Output), Fall Time 10 µs, Collector Current 20 mA, Collector-Dark Current 100 nA, Collector-Emitter Voltage(Vce) 30 V. More details for LTH-301A can be seen below.