EL817 , 4 PIN SMD Phototransistor Photocoupler Description: The EL817 series of devices each consist of an infrared emitting diodes, optically coupled to a phototransistor detector. They are packaged in a 4-pin DIP package and available in wide-lead spacing and SMD option. Features: - Current transfer ratio (CTR: 50~600% @ IF = 5mA, Vce = 5V) - EL817 : 50 - 600 - EL817A : 80 - 160 - EL817B : 130 - 260 - EL817C : 200 - 400 - EL817D : 300 - 600 - EL817X : 100 - 200 - EL817Y : 150 - 300 - High isolation voltage between input and output (Viso = 5000Vrms ) - Creepage distance > 7.62mm - Operating temperature up to +110°C - Compact small outline package - Compliance with EU REACH. - The product itself will remain within RoHS compliant version - UL and cUL approved(No.E214129) - VDE approved (No.132249) - SEMKO approved - NEMKO approved - DEMKO approved - FIMKO approved - CQC approved Application: - Programmable controllers - System appliances, measuring instruments - Telecommunication equipments - Home appliances, such as fan heaters, etc. - Signal transmission between circuits of different potentials and impedances https://elecena.pl/product/19724717/el817s1-a-tu-1-fold-optocoupler-5kv-35v-50ma-80-160-smd-4 2021-10-25 https://elecena.pl/product/19724717/el817s1-a-tu-1-fold-optocoupler-5kv-35v-50ma-80-160-smd-4 2023-09-10