| PartNumber | OPB871P51 | OPB871P55TX | OPB871P51TXV |
| Description | Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch | Optical Switches, Transmissive, Phototransistor Output Slotted Optical Switch | Optical Switches, Transmissive, Phototransistor Output Slotted Optical Switch |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics |
| Product Category | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output |
| RoHS | Y | - | - |
| Slot Width | 3.18 mm | 3.18 mm | - |
| Aperture Width | 0.25 mm | 1.27 mm | - |
| Collector Emitter Voltage VCEO Max | 30 V | 50 V | - |
| If Forward Current | 20 mA | 50 mA | - |
| Mounting Style | PCB Mount | - | - |
| Minimum Operating Temperature | - 40 C | - 65 C | - |
| Maximum Operating Temperature | + 85 C | + 125 C | - |
| Series | OPB86/87 | OPB87-TX | OPB87-TX |
| Packaging | Bulk | - | - |
| Height | 10.8 mm | 11.05 mm | - |
| Length | 18.47 mm | 18.72 mm | - |
| Output Type | Phototransistor | Phototransistor | - |
| Sensing Distance | 3.18 mm | - | - |
| Sensing Method | Transmissive, Slotted | Transmissive, Slotted | Transmissive, Slotted |
| Wavelength | 890 nm | 890 nm | - |
| Width | 6.35 mm | 6.6 mm | - |
| Brand | Optek / TT Electronics | Optek / TT Electronics | Optek / TT Electronics |
| Number of Channels | 1 Channel | 1 Channel | - |
| Pd Power Dissipation | 100 mW | 100 mW | - |
| Product Type | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Optical Switches | Optical Switches | Optical Switches |
| Vr Reverse Voltage | 2 V | 2 V | - |
| Fall Time | - | 20 us | - |
| Rise Time | - | 20 us | - |