This device has a compact construction where the emitting-light sources and the detectors are located face-to-face on the same optical axis.
The operating wavelength is 950 nm. The detector consists of a phototransistor.
● Gap 3 mm
● Package height: 8 mm
● Plastic polycarbonate housing
● Ambient light protected
● L = long leads
● Current Transfer Ratio (CTR) of typical 25%
● Position sensor for shaft encoder
● Detection of opaque material such as paper,
IBM cards, magnetic tapes etc.
● Limit switch for mechanical motions in VCR
● General purpose – wherever the space is limited
● End of tape, begin of tape in streamer