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| PartNumber | QTLP321CE | QTLP321CW | QTLP321CR |
| Description | Standard LEDs - Through Hole White LED 4 Pin | Standard LEDs - Through Hole 0.8mm Hi Eff Red SMD | LED RED POWER LED T/H |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Standard LEDs - Through Hole | Standard LEDs - Through Hole | - |
| RoHS | Y | Y | - |
| Product | Orange LEDs | White LEDs | - |
| Illumination Color | Orange | White | - |
| Wavelength/Color Temperature | 620 nm | - | - |
| Luminous Intensity | - | 500 mcd | - |
| Viewing Angle | 50 deg | 50 deg | - |
| Lens Color/Style | Water Clear | Water Clear | - |
| If Forward Current | 70 mA | 25 mA | - |
| Vf Forward Voltage | 2.3 V | - | - |
| LED Size | 1.9 mm | 1.9 mm | - |
| Packaging | Bulk | Bulk | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Lens Shape | Dome | Dome | - |
| Mounting Style | Through Hole | Through Hole | - |
| Product Type | LED - Standard | LED - Standard | - |
| Factory Pack Quantity | 2160 | 2160 | - |
| Subcategory | LEDs | LEDs | - |
| Part # Aliases | 638-QTLP321CE | 638-QTLP321CW | - |
| Configuration | - | - | - |
| Operating Supply Voltage | - | 4 V | - |