View slr-322 datasheet:

LED lamps Reflecting small LEDs, directly mountable (?3.1 mm 2 mm) SLR-322 Series The SLR-322 series are small 3.1 mm 2 mm LEDs FExternal dimensions (Units: mm) 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. FFeatures 1) Can be directly mounted on a printed circuit board with an automatic insertion machine. 2) Four colors : red, orange, yellow and green. 3) Two lens types : Colored diffused and Colored clear. 4) Compact 3.1 mm 2 mm epoxy resin package. 5) High reliability. FSelection guide FAbsolute maximum ratings (Ta = 25_C) 55 LED lamps SLR-322 Series FElectrical and optical characteristics (Ta = 25_C) FLuminous inten