The BP 103 from ams OSRAM is a Phototransistor with Collector Emitter Voltage (Breakdown) 35 V, Collector-Dark Current 1 to 50 nA, Collector Emitter Voltage(Saturation) 150 mV, Emitter Collector Voltage(Breakdown) 7 V, Power Dissipation 150 mW. More details for BP 103 can be seen below.