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| PartNumber | OPB871N51TX | OPB871N51 | OPB871N51TXV |
| Description | Optical Switches, Transmissive, Phototransistor Output Slotted Optical Switch | Optical Switches, Transmissive, Phototransistor Output Slotted Opt Switch | SENS OPTO SLOT 3.18MM TRANS C-MT |
| Manufacturer | TT Electronics | TT Electronics | - |
| Product Category | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output | - |
| Slot Width | 3.18 mm | 3.18 mm | - |
| Aperture Width | 1.27 mm | 0.25 mm | - |
| Collector Emitter Voltage VCEO Max | 50 V | 30 V | - |
| If Forward Current | 50 mA | 20 mA | - |
| Minimum Operating Temperature | - 65 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 85 C | - |
| Series | OPB87-TX | OPB86/87 | - |
| Height | 11.05 mm | 10.8 mm | - |
| Length | 12.57 mm | 12.32 mm | - |
| Output Type | Phototransistor | Phototransistor | - |
| Sensing Method | Transmissive, Slotted | Transmissive, Slotted | - |
| Wavelength | 890 nm | 890 nm | - |
| Width | 6.6 mm | 6.35 mm | - |
| Brand | Optek / TT Electronics | Optek / TT Electronics | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Fall Time | 20 us | - | - |
| Pd Power Dissipation | 100 mW | 100 mW | - |
| Product Type | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output | - |
| Rise Time | 20 us | - | - |
| Subcategory | Optical Switches | Optical Switches | - |
| Vr Reverse Voltage | 2 V | 2 V | - |
| RoHS | - | Y | - |
| Mounting Style | - | PCB Mount | - |
| Packaging | - | Bulk | - |
| Sensing Distance | - | 3.18 mm | - |
| Factory Pack Quantity | - | 200 | - |