altO P T E K Technology (Carrollton, TX) offers the OP280 series of infrared emitters, and the OP580 series of matching silicon photo sensors. The OP280 emitter series consists of three standard devices: the OP180 940-nm infrared emitter, the OP280 880-nm infrared emitter, and the OP280K 890-nm infrared emitter; and the OP280PS 850-nm point source infrared emitter and the OP280V 850-nm vertical cavity surface emitting laser (VCSEL) device. The OP580 series of sensors consists of the OP580 phototransistor, the OP580PR silicon photodarlington, and the OP580RB silicon phototransistor with an integrated base-emitter resistor. The emitters and sensors are housed in standard PLCC-2 surface mount packaging, and are suitable for applications in industrial automation control, optical encoder equipment, and bar code readers.

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