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| PartNumber | HSDL-4400 | HSDL-4420 |
| Description | Infrared Emitters Polyled Emmiter Straight Leads | Infrared Emitters Polyled Emmiter Straight Leads |
| Manufacturer | Lite-On | Lite-On |
| Product Category | Infrared Emitters | Infrared Emitters |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | Through Hole |
| Radiant Intensity | 15 mW/sr | 17 mW/sr |
| If Forward Current | 50 mA | 50 mA |
| Vf Forward Voltage | 2.15 V | 1.7 V |
| Power Rating | 100 mW | 100 mW |
| Minimum Operating Temperature | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C |
| Package / Case | Subminiature SMT | Top Looker |
| Packaging | Reel | Reel |
| Height | 2.41 mm | - |
| Illumination Color | Infrared | Infrared |
| Length | 2.34 mm | - |
| Type | IrLED | - |
| Width | 2.16 mm | - |
| Brand | Lite-On | Lite-On |
| Lens Shape | Round | Dome |
| Viewing Angle | 110 deg | 24 deg |
| Lens Dimensions | 1.65 mm x 1.65 mm x 0.82 mm | - |
| Moisture Sensitive | Yes | Yes |
| Product Type | IR Emitters (IR LEDs) | IR Emitters (IR LEDs) |
| Factory Pack Quantity | 500 | 500 |
| Subcategory | Infrared Data Communications | Infrared Data Communications |
| Wavelength | - | 875 nm |
| Vr Reverse Voltage | - | 5 V |