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| PartNumber | TLDR4400 | TLDR4100 | TLDR4100-AS12 |
| Description | Standard LEDs - Through Hole Red Tinted Diffused | LED RED CLEAR T-1 T/H | |
| Manufacturer | Vishay | - | - |
| Product Category | Standard LEDs - Through Hole | - | - |
| RoHS | Y | - | - |
| Product | Red LEDs | - | - |
| Package / Case | T-1 (3 mm) | - | - |
| Illumination Color | Red | - | - |
| Wavelength/Color Temperature | 648 nm | - | - |
| Luminous Intensity | 45 mcd | - | - |
| Viewing Angle | 40 deg | - | - |
| Lens Color/Style | Tinted, Diffused | - | - |
| If Forward Current | 20 mA | - | - |
| Vf Forward Voltage | 1.8 V | - | - |
| Power Rating | 100 mW | - | - |
| Length | 3.2 mm | - | - |
| Width | 3.2 mm | - | - |
| Height | 4.5 mm | - | - |
| LED Size | T-1 (3 mm) | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 100 C | - | - |
| Packaging | Bulk | - | - |
| Configuration | - | - | - |
| Number of LEDs | 1 | - | - |
| Brand | Vishay Semiconductors | - | - |
| Lens Shape | Dome | - | - |
| Mounting Style | Through Hole | - | - |
| Peak Wavelength | 650 nm | - | - |
| Lens Dimensions | 2.9 mm x 2.9 mm x 3.5 mm | - | - |
| Operating Supply Voltage | 1.8 V | - | - |
| Product Type | LED - Standard | - | - |
| Factory Pack Quantity | 5000 | - | - |
| Subcategory | LEDs | - | - |
| Vr Reverse Voltage | 6 V | - | - |
| Unit Weight | 0.004233 oz | - | - |