The WP7113P3BT 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 0.7 to 3 mA, Power Dissipation 100 mW. More details for WP7113P3BT can be seen below.