| PartNumber | OPB933W51 | OPB933W55Z | OPB933W51Z |
| Description | Optical Switches, Transmissive, Photo IC Output Non-RoHS/Non Standard - Consult Factory - NC/NR | Optical Sensors Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch | Optical Sensors Optical Switches, Transmissive, Photo IC Output Slotted Opt Switch |
| Manufacturer | TT Electronics | - | - |
| Product Category | Optical Switches, Transmissive, Photo IC Output | - | - |
| Series | OPB9-W | - | - |
| Output Type | Open Collector, Inverter | - | - |
| Sensing Method | Transmissive, Slotted | - | - |
| Brand | Optek / TT Electronics | - | - |
| Product Type | Optical Switches, Transmissive, Photo IC Output | - | - |
| Subcategory | Optical Switches | - | - |
| Tradename | Photologic | - | - |