J Series? LEDs extend Cree??s industry-leading portfolio of lighting-class LEDs to a broader set of applications. The J Series 3030 LEDs combine high efficacy and excellent value in reliable EMC package. The J Series 3030 LEDs are optimized for applications where high efficacy and smooth appearance are critical, such as troffers, panel and outdoor area lights. Offering color options aligned to Cree??s EasyWhite? bins, the J Series 3030 LEDs are available in 2700K – 6500K with high CRI and multiple voltage selections in an industry-compatible size of 3.0 mm x 3.0 mm.