| PartNumber | OPE2275H-256 | OPE2275S-256 | OPE2275S-128 |
| Description | Encoders Encoder, 256 PPR Dual Channel | Encoders Encoder, 256 PPR Dual Channel | Encoders Encoder, 128 PPR Dual Channel |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics |
| Product Category | Encoders | Encoders | Encoders |
| RoHS | Y | Y | Y |
| Series | OPEx275H | OPEx275S | OPEx275S |
| Mounting Style | PCB Mount | PCB Mount | PCB Mount |
| Product | Optical Encoders | Optical Encoders | Optical Encoders |
| Resolution | 256 PPR | 256 PPR | 128 PPR |
| Number of Detents | No Detent | No Detent | No Detent |
| Number of Channels | 2 Channel | 2 Channel | 2 Channel |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Shaft Diameter | 1/8 in | - | - |
| Shaft Type | Round / Plain | - | - |
| With Switch | No Switch | No Switch | No Switch |
| Operating Supply Voltage | 5 VDC | 5 VDC | 5 VDC |
| Brand | Optek / TT Electronics | Optek / TT Electronics | Optek / TT Electronics |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Product Type | Encoders | Encoders | Encoders |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Encoders | Encoders | Encoders |