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Slotted Optical Sensor - H21A1

Slotted Optical Sensor - H21A1

Part No: H21A1
Availability: In Stock

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The H21A1, H21A2 and H21A3 consist of a gallium arsenide infrared emitting diode coupled with a silicon phototransistor in a plastic housing. The packaging system is designed to optimize the mechanical resolution, coupling efficiency, ambient light rejection, cost and reliability. The gap in the housing provides a means of interrupting the signal with an opaque material, switching the output from an “ON” to an “OFF” state.

Operating voltage 5 volt
Max. power 100 mW
Operating temperature -550 C to 100 o C
Aperture 0.035”
Application  Position sensing, angular position of motor

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