Infrared photosensor U-type.
The OPB941W51Z is a Photologic® Photo Integrated Circuit Switches that provide optimum flexibility for the design engineer. All housings are made from an opaque grade of injection-molded plastic that minimizes the assembly's sensitivity to both visible and near-infrared ambient radiation. All devices have the added stability of a built-in hysteresis amplifier.
Features:
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Sensor Output: Open Collector
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Sensor Mounting: Panel Mount
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Gap Width: 3.18mm
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Aperture Width: 1.27mm
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Forward Current If: 40mA
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Reverse Voltage Vr: 2V
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Forward Voltage: 1.7V