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Part # Distributor Manufacturer Product Category Description
XPI-A18 Relay Specialties Inc. SUNLED CORPORATION Phototransistor Infrared; Photo Interrupter*; Wave Length:940
XPI-A28 Relay Specialties Inc. SUNLED CORPORATION Phototransistor Infrared; Photo Interrupter*; Wave Length:940

Conduct Research

...thermal constraints. Switches based on photointerrupters have no contacts, no lubricant, and only one spring. The switching action takes place by depressing a button that interrupts the optical path between an infrared LED and a photodiode or phototransistor. This provides a momentary "low...

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