{"product_id":"el817c-optocoupler-phototransistor-ic-dip-4-package","title":"EL817C Optocoupler\/Phototransistor IC - DIP-4 Package","description":"\u003cp\u003eThe EL817C is a high-performance optocoupler (opto-isolator) that provides electrical isolation between input and output circuits using an infrared LED and a phototransistor housed within a single DIP-4 package. It enables signal transmission while preventing direct electrical connection, protecting sensitive electronic circuits from voltage spikes, noise, and ground loops.\u003c\/p\u003e\n\u003cp\u003eThe EL817C is widely used in switching power supplies, microcontroller interfaces, industrial automation equipment, PLC systems, battery chargers, signal isolation circuits, and communication interfaces. Its compact size, high isolation voltage, and reliable performance make it one of the most commonly used optocouplers in electronic designs.\u003c\/p\u003e\n\u003cp\u003eBy isolating low-voltage control circuits from high-voltage power sections, the EL817C enhances system safety, reliability, and noise immunity.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInfrared LED and phototransistor output\u003c\/li\u003e\n\u003cli\u003eHigh electrical isolation between input and output\u003c\/li\u003e\n\u003cli\u003eCompact DIP-4 package\u003c\/li\u003e\n\u003cli\u003eHigh current transfer ratio (CTR)\u003c\/li\u003e\n\u003cli\u003eLow power consumption\u003c\/li\u003e\n\u003cli\u003eFast switching response\u003c\/li\u003e\n\u003cli\u003eExcellent noise immunity\u003c\/li\u003e\n\u003cli\u003eHigh reliability and long lifespan\u003c\/li\u003e\n\u003cli\u003eSuitable for signal isolation applications\u003c\/li\u003e\n\u003cli\u003eProtects microcontrollers from high-voltage circuits\u003c\/li\u003e\n\u003cli\u003eCompatible with digital and analog circuits\u003c\/li\u003e\n\u003cli\u003eEasy PCB mounting\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eWidely used in power electronics and automation systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Roboracter","offers":[{"title":"Default Title","offer_id":46647065641014,"sku":"X2EIWOE6XC","price":10.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/0731\/2694\/files\/EL817C-IC-1.png?v=1782124033","url":"https:\/\/roboracter.in\/products\/el817c-optocoupler-phototransistor-ic-dip-4-package","provider":"Roboracter","version":"1.0","type":"link"}