Kingbright Through Hole Rectangular LED Series The rectangular series of LEDs, from Kingbright, are reliable and rugged devices in a rectangular package. These LEDs offer excellent uniformity of light output, low power consumption and they have a long life time from solid state reliability. The rectangular LEDs are suitable for level indicators and are I.C. compatible. Available in a variety of package sizes, the rectangular LEDs also come in different colour options. Viewing angle: 110°