OPTOSWITCH BUFFERED TOTEM POLE; Sensor Output:Totem Pole; Sensor Mounting:Panel Mount; Gap Width:3.18mm; Aperture Width:1.27mm; Forward Current If:40mA; Reverse Voltage Vr:2V; Forward Voltage:1.7V; External Depth:0.315"; Width:0.1" RoHS Compliant: Yes