10 Pcs 1/6" Slot PCB Photo Interrupter Slotted Optical Switch HY301-21 Product Name : Slotted Optical Switch;Model : HY301-21;Output Type : Photo Transistor;Peak Emission Wavelength : 940nm;IR Diode Forward Current : 50mA IR Diode Reverse Voltage : 5V;Transistor Power Dissipation : 75mW;Transistor Collector Current : 20mA;Photo Transistor Collector-emitter Voltage : 30V;Photo Transistor Emitter-collector Voltage : 5V Diode Power Dissipation : 100mW;Operating Temperature Range : -55~100 Celsius Degree;Number of Pins : 4;Slot Width : 4.1mm/1/6'' Slot Depth : 8mm/0.3'';Pin Length : 11mm/0.43'';Pitch : 8mm/0.31'', 2.54mm/0.1'';Total Size : 22 x 12 x 6mm/0.9'' x 0.5'' x 0.2''(L*W*H) Material : Plastic, Metal;Color : Black;Net Weight : 7g;Package Content : 10 x Slotted Optical Switch