OIT11C
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Catalog excerpts

OIT11C incremental encoder chip 0.6 mm General Description OIT11C consists in a silicon phototransistor’s monolithic array. The phototransistors have a common collector, every emitter is available as a pad. The pitch of the silicon arrays is 0.6 mm, while the component electrical pitch is 1.10 mm. The active area of each element is 0.2 x 0.45 mm. The encapsulant is an high quality microelectronic transparent resin, its transmission value is 100% in the range 300-900nm. The advantages of this product are the high uniformity of the silicon sensors, due to the monolithic construction and the high optical responsivity, due to the antireflective coating deposited on the phototransistor’s areas. The packaging method is oriented to industrial harsh applications, which means high temperature range, high stability in time and very high uniformity of the silicon cells. Applications Optical encoders Incremental encoders Optical Receivers Controls/drives Features ■ High uniformity ■ High gain ■ High transparency resin ■ Designed to meet industrial specifications ■ Reference holes for precise mounting ■ Custom design available ■ 0.6 mm optical pitch (0.68 mm on request) ■ RoHS compliant Function Phototransistor B Emitter Not connected Common collector Phototransistor A Emitter Not connected Phototransistor C Emitter Phototransistor E Emitter Not connected Phototransistor F Emitter Phototransistor D Emitter OIT11C 6 elements monolithic SMD phototransistor

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