LED lamps Reflecting small LEDs, directly mountable (3.1 mm) SLR-342 Series The SLR-342 series are small 3.1 mm LEDs which can be directly mounted on a printed circuit board. Four colors and two lens types are available for a total of eight types, and they are suitable for use in a wide variety of applications. External dimensions (Units: mm) Features 1) Four colors : red, orange, yellow and green. 2) Two lens types : Colored diffused and Colored clear. 3) Compact epoxy resin package with a diameter of 3.1 mm. 4) High reliability. Selection guide Absolute maximum ratings (Ta = 25C) 73 LED lamps SLR-342 Series Electrical and optical characteristics (Ta = 25C) Luminous intensity vs. wavelength Directional pattern 74 Luminous intensity LED lamps SLR-342 Series Electrical characteristic curves 1 (red) 75 LED lamps Electrical characteristic curves 2 (orange) 76 SLR-342 Series LED lamps SLR-342 Series Electrical characteristic curves 3 (yellow) 77 LED lamps Electrical characteristic curves 4 (green) 78 SLR-342 Series