The WP7113P3C from kingbrightusa is a Phototransistor with Collector Emitter Voltage (Breakdown) 30 V, Collector-Dark Current 100 nA, Emitter Collector Voltage(Breakdown) 5 V, On-State Collector Current 0.5 to 2.5 mA, Power Dissipation 100 mW. More details for WP7113P3C can be seen below.