| PartNumber | OP266AD | OP266AC | OP266B |
| Description | Infrared Emitters - High Power LED Plastic T-1 with High Power LED Chip | Infrared Emitters - High Power LED PLASTIC T-1 HIGH POWER LED CHIP | Infrared Emitters Infrared 890nm |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics |
| Product Category | Infrared Emitters - High Power | Infrared Emitters - High Power | Infrared Emitters |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | T-1 (3 mm) | T-1 (3 mm) | T-1 (3 mm) |
| Packaging | Bulk | Bulk | Bulk |
| Series | OP266x | OP266x | - |
| Brand | Optek / TT Electronics | Optek / TT Electronics | Optek / TT Electronics |
| Product Type | IR Emitters (IR LEDs) | IR Emitters (IR LEDs) | IR Emitters (IR LEDs) |
| Subcategory | Infrared Data Communications | Infrared Data Communications | Infrared Data Communications |
| RoHS | - | Y | Y |
| Wavelength | - | 850 nm | 890 nm |
| Radiant Intensity | - | 16.5 mW/cm2 | 4.7 mW/cm2 |
| Beam Angle | - | 18 deg | 18 deg |
| If Forward Current | - | 20 mA | 20 mA |
| Vf Forward Voltage | - | 1.8 V | 1.8 V |
| Power Rating | - | 100 mW | 100 mW |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 100 C | + 100 C |
| Illumination Color | - | Infrared | Infrared |
| Fall Time | - | 10 ns | 250 ns |
| Rise Time | - | 10 ns | 500 ns |
| Factory Pack Quantity | - | 500 | 500 |
| Lens Shape | - | - | Dome |
| Vr Reverse Voltage | - | - | 2 V |