Magnetic disk ICs Photointerrupter, double-layer mold type RPI-221 The RPI-221 is an ultra-small size, double-layer mold photointerrupter. Applications Optical control equipment Cameras Floppy disk drives Features 1) Ultra-small. 2) Minimal influence from stray light. 3) Low collector-emitter saturation voltage. Absolute maximum ratings (Ta = 25C) 640 External dimensions (Units: mm) Magnetic disk ICs RPI-221 Electrical and optical characteristics (Ta = 25C) Electrical and optical characteristic curves 641 Magnetic disk ICs 642 RPI-221