Avago HLMP-1301/1401/1503/K401/K600 Series LEDs. The HLMP-1301, HLMP-1401, HLMP-1503, HLMP-K401 and HLMP-K600 series, from Avago Technologies, are T-1 (3mm) diffused LED lamps. This family of through-hole LEDs are designed for use in general purpose indicator applications. Diffusants, tints and optical design are combines to create a high light output and wide viewing angles.. Feautres of the HLMP-1301, HLMP-1401, HLMP-1503, HLMP-K401, HLMP-K600 LEDs: - High intensity - Variety of colours available - T-1 (3mm) standard package - Selected minimum intensities - Wide viewing angles - General purpose leads - Reliable and rugged