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| PartNumber | CLM4B-RKB-CWbXbAA3 | CLM4B-RKB-CWaXbAA3 | CLM4B-RKW |
| Description | Standard LEDs - SMD Red SMD | Standard LEDs - SMD Red SMD | |
| Manufacturer | Cree, Inc. | Cree, Inc. | - |
| Product Category | Standard LEDs - SMD | Standard LEDs - SMD | - |
| RoHS | Y | Y | - |
| Product | Red LEDs | Red LEDs | - |
| Package / Case | PLCC-4 | PLCC-4 | - |
| Illumination Color | Red | Red | - |
| Wavelength/Color Temperature | 624 nm | 624 nm | - |
| Luminous Intensity | 1400 mcd | 1120 mcd | - |
| Viewing Angle | 120 deg | 120 deg | - |
| Lens Color/Style | Tinted | Tinted | - |
| If Forward Current | 50 mA | 50 mA | - |
| Vf Forward Voltage | 2.4 V | 2.4 V | - |
| Power Rating | 210 mW | 210 mW | - |
| Length | 3.2 mm | 3.2 mm | - |
| Height | 1.95 mm | 1.95 mm | - |
| Width | 2.7 mm | 2.7 mm | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 100 C | + 100 C | - |
| Packaging | Reel | Reel | - |
| Brand | Cree, Inc. | Cree, Inc. | - |
| Lens Shape | Round Flat | Round Flat | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Peak Wavelength | - | - | - |
| Color Rendering Index CRI | - | - | - |
| Lens Dimensions | - | - | - |
| Luminous Flux/Radiant Flux | - | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Voltage | - | - | - |
| Product Type | LED - Standard | LED - Standard | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | LEDs | LEDs | - |
| Vr Reverse Voltage | 5 V | 5 V | - |