Kingbright-KP-1608P1C-Phototransistor-0603-Kingbright-KP-1608P1C-NPN-Silicon-phototransistor-with-an-0603-case-&-a-water-clear-lens-Mechanically-&-spectrally-matched-to-the-KP-1608-series-of-infrared-emitting-LED-lamps-Kingbright-KP-1608P1C-Phototransistor-SMD-0603