Dialight 552-0xxx Series LED CBI® Circuit Board IndicatorsThe 552-0xxx series, from Dialight, are a family of PCB LED indicators from their CBI® family. They are bi-level indicators which contain two 5mm (T-1 3/4) LEDs. The 552-0xxx devices have two pins for through-hole mounting. Available in a variety of colours, the 552-0xxx have high efficiency, integral resistor, bi-colour, super bright or low current LED options.Multiple CBIs form horizontal LED arrays on 6.35mm (0.25in) center-linesHigh-contrast, UL 94V-0 rated, black housingHousing stand-offs facilitate PCB cleaningSolderability per MIL-STD-202F, method 208FPCB LED Indicators, Dialight