| PartNumber | OP298AA | OP298AB | OP298A |
| Description | Infrared Emitters Infrared 875nm | Infrared Emitters Infrared 875nm | Infrared Emitters High Intensity 890nm |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics |
| Product Category | Infrared Emitters | Infrared Emitters | Infrared Emitters |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | - | Through Hole |
| Wavelength | 875 nm | - | 890 nm |
| Radiant Intensity | 3.5 mW/cm2 | - | 3 mW/cm2 |
| Beam Angle | 25 deg | - | 25 deg |
| If Forward Current | 100 mA | 150 mA | 100 mA |
| Vf Forward Voltage | 2 V | - | 2 V |
| Power Rating | 200 mW | - | 200 mW |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Maximum Operating Temperature | + 100 C | - | + 100 C |
| Package / Case | TO-46-2 | - | TO-18-2 |
| Packaging | Bulk | Bulk | Bulk |
| Illumination Color | Infrared | Infrared | Infrared |
| Brand | Optek / TT Electronics | Optek / TT Electronics | Optek / TT Electronics |
| Lens Shape | Dome | - | Dome |
| Fall Time | 250 ns | - | 250 ns |
| Product Type | IR Emitters (IR LEDs) | IR Emitters (IR LEDs) | IR Emitters (IR LEDs) |
| Rise Time | 500 ns | - | 500 ns |
| Factory Pack Quantity | 500 | 50 | 700 |
| Subcategory | Infrared Data Communications | Infrared Data Communications | Infrared Data Communications |
| Height | - | - | 6.35 mm |
| Length | - | - | 5.59 mm |
| Width | - | - | 5.59 mm |
| Lens Dimensions | - | - | 4.95 mm x 4.95 mm x 7.62 mm |
| Vr Reverse Voltage | - | - | 2 V |