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| PartNumber | HSDL-4250 | HSDL-4250-A | HSDL-4251 |
| Description | Infrared Emitters Lamp T13/4 | Infrared Emitters IR Emitte | |
| Manufacturer | Broadcom Limited | - | Lite-On Inc. |
| Product Category | Infrared Emitters | - | Infrared, UV, Visible Emitters |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Wavelength | 870 nm | - | 870nm |
| Package / Case | T-1 3/4 (5 mm) | - | - |
| Packaging | Bulk | - | Bulk |
| Illumination Color | Infrared | - | Infrared |
| Brand | Broadcom / Avago | - | - |
| Viewing Angle | 15 deg | - | 30° |
| Product Type | IR Emitters (IR LEDs) | - | - |
| Factory Pack Quantity | 1000 | - | - |
| Subcategory | Infrared Data Communications | - | - |
| Series | - | - | - |
| Type | - | - | IR |
| Package Case | - | - | T-1 3/4 |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | - | Through Hole |
| Current DC Forward If Max | - | - | 100mA |
| Orientation | - | - | Top View |
| Voltage Forward Vf Typ | - | - | 1.4V |
| Radiant Intensity Ie Min If | - | - | 56mW/sr @ 100mA |
| Power Rating | - | - | 190 mW |
| Maximum Operating Temperature | - | - | + 85 C |
| Minimum Operating Temperature | - | - | - 40 C |
| Vf Forward Voltage | - | - | 1.9 V |
| If Forward Current | - | - | 50 mA |
| Lens Shape | - | - | Circular |
| Radiant Intensity | - | - | 100 mW/sr |