Truopto 3528 plcc4 smd leds bi colour water clear truopto osybs4s2c1a a yellowblue bi colour led in a surface mounting 3528 plcc4 top viewing package a high luminous intensity and long lifetime make this led perfect for a wide range of applications such as toys audio systems games decorative lighting etc truopto osybs4s2c1a 3528 smd bi color plcc4 led yellow blue 120 21v 30ma