XLamp® CXB1816 LED Arrays Cree LED XLamp® CXB1816 LED Arrays provide a 12mm optical source with 70, 80, or 90 minimum CRI options in a 17.85mm x 17.85mm package size. These arrays offer 2-step, 3‑step, or 5-step color consistency, 0.9A maximum drive current, and 34W maximum power. Cree LED XLamp CXB1816 LED Arrays feature a 115° viewing angle. This uniform emitting surface is ideal for both directional and non-directional lighting applications such as lamp retrofit and luminaire designs.