
Cree CLM2B-AEW-CYbB0263 Amber LED High-Reliability PLCC4 SMD for Signaling and Accents
B2B Procurement & Engineering Specs:
* Manufacturer: Cree LED (High-Reliability PLCC4 Series)
* Color Profile: Amber (Typical 591nm Dominant Wavelength)
* Package Type: PLCC4 SMD (3.2 x 2.7 mm footprint)
* Luminous Intensity: Binned for high-output performance (CYbB Tier)
* Viewing Angle: 120° (Wide Lambertian radiation pattern)
* Reliability: Automotive-grade materials; UV resistant encapsulation
* Stock Status: Factory-sealed reels in stock; Full batch traceability provided.
Description
Product Details
Cree CLM2B-AEW-CYbB0263 Amber LED High-Reliability PLCC4 SMD for Signaling and Accents. The Cree LED CLM2B-AEW series is a professional-grade amber SMD LED, specifically engineered to bridge the gap between high-intensity output and long-term environmental durability. The CLM2B-AEW-CYbB0263 utilizes the industry-standard PLCC4 package, which offers superior thermal dissipation compared to standard PLCC2 designs. This component is the primary choice for manufacturers of automotive signaling, traffic indicators, and architectural accent lighting where color consistency and lumen maintenance are critical.
For LED module manufacturers and contract manufacturers (EMS), the CLM2B-AEW provides a robust solution for high-density PCB layouts. Its internal heat-sink architecture allows the chip to maintain a stable centroid wavelength even under continuous operation, preventing the "color-shifting" issues often associated with budget amber emitters.
Critical Engineering Advantages
- Optimized Amber Spectrum: Operating at a dominant wavelength of 584nm to 596nm (591nm typical), this LED provides the saturated monochromatic amber light required for international safety signaling and transportation compliance.
- High-Intensity Binning (CYbB): This SKU is binned for maximum candela output at a standard 20mA drive current. This ensures that signage and automotive modules achieve superior visibility in high-ambient light environments.
- Enhanced Package Reliability: The PLCC4 footprint is designed for high-stress environments. The use of advanced silicone and epoxy resins ensures high resistance to UV degradation and moisture, maintaining an excellent L70 lifespan for outdoor fixtures.
- Uniform Wide-Angle Distribution: The 120-degree viewing angle ensures consistent color mixing and visibility from extreme side-viewing positions, making it ideal for large-scale channel letters and decorative wash lighting.
| Parameter | Performance Specification |
| Package Dimensions | 3.2 mm x 2.7 mm (PLCC4) |
| Dominant Wavelength | 584 nm – 596 nm (Typical 591 nm) |
| Luminous Intensity | High-output CYbB Tier |
| Viewing Angle | 120° |
| Forward Voltage (Typical) | 2.1 V |
| Maximum Forward Current | 50 mA |
| Operating Temperature | -40 °C to +100 °C |
| Moisture Sensitivity | MSL 5a |
The CLM2B-AEW-CYbB0263 is a staple light source for:
- Automotive Signaling: High-reliability emitters for turn signals, side markers, and CHMSL (Center High Mount Stop Lamps).
- Transportation & Traffic Indicators: Focused amber light for highway alerts, pedestrian crossing signals, and public transit destination boards.
- Architectural Accent Lighting: Consistent amber accents for bridge facades, cove lighting, and historic building illumination.
- Commercial Signage: High-uniformity amber arrays for storefront channel letters and informational billboards.
Why Source through Gainer LED?
- As a specialized electronic component distributor, 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 Traceability: We understand that large signaling projects require zero color variance. We coordinate shipments from consistent binning groups to ensure uniform performance across your production run.
- Wholesale Supply Chain Stability: We maintain strategic inventory levels of the CLM2B series to protect our B2B partners from semiconductor market fluctuations.
FAQ
Q: Can I drive the CLM2B-AEW-CYbB0263 higher than the nominal 20mA?
A: Yes, it is rated for a maximum DC current of 50mA. However, to maintain the L70 lifespan and wavelength stability, we recommend driving it between 20mA and 35mA, ensuring your thermal dissipation (PCB copper thickness) is adequate for the higher thermal load.
Q: What is the benefit of PLCC4 over PLCC2 for amber LEDs?
A: The PLCC4 package provides four leads instead of two, allowing for an electrically neutral thermal path (in some configurations) or simply a wider area for heat to dissipate into the PCB. This significantly reduces the junction temperature, which is the primary cause of wavelength shifting in amber/yellow LEDs.
Q: Is this LED compatible with outdoor potting materials?
A: Yes. The CLM2B-AEW is designed for outdoor signaling. However, ensure that your silicone or epoxy potting compound is neutral-cure and compatible with Cree's encapsulation material to prevent mechanical stress during thermal cycling.
Q: How does Gainer LED handle MSL 5a storage?
A: All MSL 5a components are stored in climate-controlled environments and shipped in original vacuum-sealed moisture-barrier bags (MBB) with desiccant and a humidity indicator card. We recommend SMT assembly within the specified floor life once opened.
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