The 550-xx07-004 series, from Dialight, are quad block LED PCB indicators. They are in Dialight's CBI? circuit board indicator family. The 550-xx07-004 arrays contain four 5mm through-hole LEDs in a black plastic housing with a sloped back. The black housings enable a high contrast. The 550-xx07-004 indicators have 8 pins for through-hole mounting. They have general purpose, integral resistor, low current, high efficiency, bi-colour and super bright LED options.
Features of the 550-xx07-004 quad block:
4 x 5mm LEDs
Black plastic housing
Sloped back
Compatible with 550-xx07 single-block and 550-xx07-002 dual-block