The NTE30133 from NTE Electronics, Inc is a Phototransistor with Collector Emitter Voltage (Breakdown) 30 V, Collector-Dark Current 100 nA, Collector Emitter Voltage(Saturation) 0.4 V, Emitter Collector Voltage(Breakdown) 5 V, On-State Collector Current 0.1 to 1.5 mA. More details for NTE30133 can be seen below.