OPTICAL SENSOR TRANSMISSIVE / SLOTTED INTERRUPTER; Sensor Output:Totem Pole; Sensor Mounting:Through Hole; Gap Width:3.18mm; Aperture Width:0.25mm; Forward Current If:40mA; Reverse Voltage Vr:2V; Forward Voltage:1.7V; Slot Width:0.1"RoHS Compliant: Yes