Dialight 550-xx07 Series LED CBI® Circuit Board IndicatorsThe 550-xx07, from Dialight, are LED circuit board indicators from their CBI® family. They contain one 5mm through-hole LED in a black plastic housing with a sloped back. Their black housings enable a high contrast and housing standoffs help with the cleaning of the PCB. They are available in general purpose, integral resistor, low current, high efficiency, bi-colour and super bright LED options.Features of the 550-xx07 PCB LED indicators:1 x 5mm LEDThrough-hole mountingVariety of colour optionsBlack plastic housingSloped back with standoffsCompatible with 550-xx07 dual block and 550-xx07-004 quad blockPCB LED Indicators, Dialight