| PartNumber | OHB3040 | OHB3040S | OHB3040B |
| Description | Industrial Hall Effect / Magnetic Sensors HIGH RELIABILITY UNIPOLAR HALL | Industrial Hall Effect / Magnetic Sensors HIGH RELIABILITY UNIPOLAR HALL | SENSOR HALL OPEN COLLECT PC PIN |
| Manufacturer | TT Electronics | TT Electronics | - |
| Product Category | Industrial Hall Effect / Magnetic Sensors | Industrial Hall Effect / Magnetic Sensors | - |
| Packaging | Tube | Tube | - |
| Brand | Optek / TT Electronics | Optek / TT Electronics | - |
| Product Type | Hall Effect / Magnetic Sensors | Hall Effect / Magnetic Sensors | - |
| Subcategory | Sensors | Sensors | - |