Cree LED CLM4B-GKW-CXbYb793 High-Intensity Green PLCC4 SMD for Signage and Commercial Lighting
B2B Procurement & Engineering Specs:
* Manufacturer: Cree LED (Original PLCC4 SMD Series)
* Emitting Color: High-Brightness Green (Typical 527nm)
* Package Type: PLCC4 SMD (3.2 x 2.7 x 1.9 mm)
* Luminous Intensity: CXbYb Bin Tier (High-output range)
* Viewing Angle: 120° (Wide Lambertian distribution)
* Environmental Reliability: UV resistant resin; moisture-resistant package.
* Stock Status: Factory-sealed reels; Full batch traceability for OEM/EMS.
Description
Product Details
Cree LED CLM4B-GKW-CXbYb793 High-Intensity Green PLCC4 SMD for Signage and Commercial Lighting. The Cree LED CLM4B-GKW series is a professional-grade green SMD LED, specifically engineered to provide high radiant intensity and superior reliability in a compact footprint. The CLM4B-GKW-CXbYb793 utilizes the industry-standard PLCC4 package, which offers significantly better thermal management than traditional 2-pin PLCC2 designs. This component is the primary choice for manufacturers of indoor and outdoor signage, transportation indicators, and architectural accent modules where color stability is paramount.
For LED module manufacturers and contract manufacturers (EMS), the CLM4B-GKW provides a robust solution for automated SMT lines. Its stable lead-frame architecture ensuring that the InGaN chip maintains consistent dominant wavelength performance even under continuous operation in professional industrial environments.
Critical Engineering Advantages
- Premium Green Spectrum Consistency: Operating at a dominant wavelength binned for precise 520nm – 535nm ranges, this LED provides the high-saturation green required for standardized signaling and vibrant architectural wash lighting.
- Enhanced Thermal Path (PLCC4): The 4-pin layout facilitates more efficient heat transfer from the junction to the PCB compared to standard mid-power SMDs. This thermal efficiency minimizes the risk of wavelength shift and intensity degradation over the device's L70 lifespan.
- Industrial-Grade Material Science: Built on Cree's high-reliability platform, the CLM4B-GKW uses advanced encapsulation materials that resist UV-induced yellowing and moisture ingress, making it suitable for protected outdoor displays and high-humidity environments.
- Optimized Wide-Angle Optics: The 120-degree viewing angle ensures uniform color mixing and eliminates hot spots in edge-lit panels and channel letters, providing a seamless visual experience for high-end retail displays.
| Parameter | Performance Specification |
| Footprint Dimensions | 3.2 mm x 2.7 mm (PLCC4) |
| Dominant Wavelength | 520 nm – 535 nm (Typical 527 nm) |
| Luminous Intensity | CXbYb Bin Tier (Characterized @ 30mA) |
| Viewing Angle | 120° |
| Typical Forward Voltage | 3.2 V – 3.8 V |
| Maximum Forward Current | 50 mA |
| Operating Temperature | -40 °C to +100 °C |
| Moisture Sensitivity | MSL 5a |
The CLM4B-GKW-CXbYb793 is a staple light source for:
- Transportation & Traffic Signaling: Reliable green emitters for pedestrian indicators, public transit destination boards, and rail signals.
- Architectural Accent Lighting: Consistent green wash lighting for building facades, bridge coves, and landscape decorative modules.
- Variable Message Signs (VMS): Clear, high-contrast green characters for highway alerts and informational billboards.
- Gaming & Entertainment Equipment: High-density RGB pixel arrays and decorative lighting for casino machines and high-end consumer electronics.
Why Source through Gainer LED?
- In the specialized electronic component wholesale market, Gainer LED bridges the gap between Cree's manufacturing lead times and your localized production needs.
- 100% Original Stock: We guarantee verified stock in original factory-sealed reels.
- Batch & Bin Integrity: For large-scale signage projects, wavelength matching is critical. We coordinate shipments from consistent binning groups to ensure uniformity across your entire production run.
- Global Export Logistics: Our team handles all documentation (RoHS, REACH, CoC) for international shipping, ensuring compliance for export to the EU and North American markets.
FAQ
Q: Can I drive the CLM4B-GKW at its maximum current of 50mA?
A: While it is rated for 50mA, for long-term reliability and peak efficacy (lm/W) in signage applications, we recommend a nominal drive current of 30mA. If driving higher, ensure your PCB (MCPCB preferred) has adequate copper mass to assist the PLCC4 thermal path.
Q: Is the PLCC4 footprint compatible with standard PLCC2 layouts?
A: Generally, no. The PLCC4 has four leads (two anodes and two cathodes or NC pins depending on the circuit). This specific package is designed to distribute heat more evenly. We recommend a dedicated PCB footprint to take full advantage of the thermal benefits.
Q: How does this green LED handle outdoor exposure?
A: The CLM4B series is designed with automotive-grade materials offering high moisture and UV resistance. For IP67 rated signage, we recommend standard potting or sealing practices, as the LED's resin is compatible with common electronic silicones.
Q: Does Gainer LED provide buffer stock for recurring industrial contracts?
A: Absolutely. For our long-term B2B partners and wholesalers, we offer safety stock management to avoid lead-time fluctuations in the specialty semiconductor market.
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