The L-3DP3BT from kingbrightusa is a Phototransistor with Collector Emitter Voltage (Breakdown) 30 V, Collector-Dark Current 100 nA, Collector Emitter Voltage(Saturation) 0.8 V, Emitter Collector Voltage(Breakdown) 5 V, On-State Collector Current 0.1 to 0.2 mA. More details for L-3DP3BT can be seen below.