Description
The OPB819 consists of an infrared emitting diode and NPN silicon phototransistor mounted in a plastic houising on opposite sides of a 1.25” (31.75 mm) wide slot. Phototransistor switching takes place whenever an opaque object passes through the slot.
Custom electrical, wire or cabling is available.

FEATUREs
• Non-contact switching
• 24”wire leads
• 1.25”(32 mm) wide slot
• 1.38”(35 mm) deep slot