Product_description: ['Description: The EL3H7-G series devices consist of an infrared emitting diode, optically coupled to a phototransistor detector encapsulated with green compound. They are packaged in a 4-pin small outline SMD package. Features: Halogens free (Br <900 ppm ,Cl <900 ppm , Br+Cl < 1500 ppm) Current transfer ratio (CTR: 50~600% at IF =5mA, VCE =5V) (CTR: 40~320% at IF =10mA, VCE =5V) High isolation voltage between input and output (Viso=3750 V rms ) Compact 4 Pin SSOP with a 2.0 mm profile Compliance with EU REACH Pb free and RoHS compliant. UL and cUL approved(No. E214129) VDE approved (No. 132249) SEMKO approved NEMKO approved DEMKO approved FIMKO approved Applications: DC-DC Converters Programmable controllers Telecommunication equipments Signal transmission between circuits of different potentials and impedances'] (Page 1)