| PartNumber | OPB685 | OPB680-20 | OPB680 |
| Description | Optical Switches, Transmissive, Photo IC Output Photologic Opt Flag Switch | Optical Switches, Transmissive, Phototransistor Output Slotted Opt Flag Switch 20g spring | Optical Switches, Transmissive, Phototransistor Output .09in SLOT w/FLAG |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics |
| Product Category | Optical Switches, Transmissive, Photo IC Output | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output |
| RoHS | Y | Y | Y |
| Slot Width | 2.03 mm | 2.03 mm | 2.03 mm |
| If Forward Current | 50 mA | 10 mA | 10 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 100 C | + 100 C | + 100 C |
| Packaging | Tray | Tray | Tray |
| Height | 8.89 mm | 8.89 mm | 8.89 mm |
| Length | 16 mm | 12.19 mm | 12.19 mm |
| Output Type | Pull Up, Buffer | Phototransistor | Phototransistor |
| Sensing Method | Transmissive, Actuator Type | Transmissive, Actuator Type | Transmissive, Actuator Type |
| Wavelength | 890 nm | 890 nm | 890 nm |
| Width | 10.92 mm | 10.92 mm | 10.92 mm |
| Brand | Optek / TT Electronics | Optek / TT Electronics | Optek / TT Electronics |
| Fall Time | 30 ns | - | - |
| High Level Output Current | 100 uA | - | - |
| Low Level Output Voltage | 0.4 V | - | - |
| Pd Power Dissipation | 240 mW | 200 mW | 200 mW |
| Product Type | Optical Switches, Transmissive, Photo IC Output | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output |
| Rise Time | 30 ns | - | - |
| Factory Pack Quantity | 25 | 200 | 200 |
| Subcategory | Optical Switches | Optical Switches | Optical Switches |
| Vf Forward Voltage | 1.6 V | 1.6 V | 1.6 V |
| Vr Reverse Voltage | 2 V | 3 V | 3 V |
| Unit Weight | 0.035274 oz | - | - |
| Collector Emitter Voltage VCEO Max | - | 30 V | 30 V |
| Maximum Collector Current | - | 30 mA | - |
| Mounting Style | - | PCB Mount | PCB Mount |
| Sensing Distance | - | 2.03 mm | 2.03 mm |
| Number of Channels | - | 1 Channel | 1 Channel |