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| PartNumber | SMLK34WBECW1 | SMLK34WBEAW1 | SMLK34WBEBW1 |
| Description | High Power LEDs - White RECOMMENDED ALT 755-SMLK18WBJCW1 | High Power LEDs - White RECOMMENDED ALT 755-SMLK18WBJAW1 | LED WARM WHITE DIFF 4520 SMD |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | - |
| Product Category | High Power LEDs - White | High Power LEDs - White | - |
| RoHS | Y | Y | - |
| Product | White LEDs | White LEDs | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | 1808 (4520 metric) | 1808 (4520 metric) | - |
| Illumination Color | Cool White | Cool White | - |
| Wavelength/Color Temperature | 8000 K | 5000 K | - |
| Luminous Intensity | 5.5 cd | 3.8 cd | - |
| Luminous Flux/Radiant Flux | 14 lm | 9.5 lm | - |
| Color Rendering Index CRI | - | - | - |
| Viewing Angle | - | - | - |
| Lens Color/Style | Diffused | Diffused | - |
| If Forward Current | 60 mA | 60 mA | - |
| Vf Forward Voltage | 3.4 V | 3.4 V | - |
| Length | 4.5 mm | 4.5 mm | - |
| Width | 2 mm | 2 mm | - |
| Height | 0.6 mm | 0.6 mm | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 100 C | + 100 C | - |
| Packaging | Reel | Reel | - |
| Brand | ROHM Semiconductor | ROHM Semiconductor | - |
| LED Size | 4.5 mm x 2 mm | 4.5 mm x 2 mm | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | LED - High Power | LED - High Power | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | LEDs | LEDs | - |
| Part # Aliases | SMLK34WBECW | SMLK34WBEAW | - |