A couple popular products that use use the 0603 SMD size are the Xbox 360, PS3 and Wii. We have also seen them used in many production projects, manufactured items, and prototypes as well. The uv / purples color 0603 LED is a vibrant color that you cant go wrong with. 1608 is another name that they are commonly known as.We use and have only the highest quality leds out there.