Beside the mono-color PLCC LEDs, Würth Elektronik also provides bi-color PLCC LEDs in a 3528 standard package size (3.5mm x 2.8mm x 1.9mm). The WL-SBTW series have 4 different color combinations like Red/Blue, Red/Bright Green, Yellow/Blue and Yellow/Bright Green and the low energy consumption is perfect for decorative lighting, switches, and symbols applications. This package size has four contacts.