| PartNumber | OPS665 | OPS667 | OPS666 |
| Description | Phototransistors LED/Sensor Matched Pair | Phototransistors LED/Sensor Matched Pair | Optical Sensors Phototransistors LED/Sensor Matched Pai |
| Manufacturer | TT Electronics | TT Electronics | - |
| Product Category | Phototransistors | Phototransistors | - |
| RoHS | Y | Y | - |
| Product | Phototransistors | Phototransistors | - |
| Package / Case | T-1-2 | T-1-2 | - |
| Mounting Style | Through Hole | Through Hole | - |
| Collector Emitter Voltage VCEO Max | 30 V | 30 V | - |
| Collector Emitter Breakdown Voltage | 30 V | 30 V | - |
| Collector Emitter Saturation Voltage | 0.4 V | 0.4 V | - |
| Dark Current | 100 nA | 100 nA | - |
| Pd Power Dissipation | 100 mW | 100 mW | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 100 C | + 100 C | - |
| Series | OPS66x | OPS66x | - |
| Packaging | Bulk | Bulk | - |
| Type | LED and Photosensor Pairs | LED and Photosensor Pairs | - |
| Brand | Optek / TT Electronics | Optek / TT Electronics | - |
| Product Type | Phototransistors | Phototransistors | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | Optical Detectors and Sensors | Optical Detectors and Sensors | - |
| Height | - | 5.08 mm | - |