SID2010Series 3φ Round Infrared LED SID2010 Series External Dimensions 1.7 (2.54) ø3.8 (Unit: mm) ø3.1±0.1 Directivity (Typical) Cathode 1.0min 25.8min (1.3) 3.5±0.1 0° 0.65max 0.4 0.45±0.1...