Signal construct msoc series 1 chip led festoon lamps acdc signal construct msoc083152 a 025w 12v warm white led festoon lamp with dimensions of 8 x 31mm this single chip led lamp has an integrated bridge rectifier to make possible ac or dc operation low current consumption and long lifetime make it suitable for a wide range of applications signal construct msoc083152 led festoon bulb warm white 12vacdc 025w 8x31mm