{"product_id":"jack-optocoupler-el817s-u7-a2-ic-87-spare-part","title":"Jack Optocoupler EL817S U7 A2 IC 87 – SMD Photocoupler IC","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe \u003cstrong\u003eJack Optocoupler EL817S (U7 \/ A2 \/ U4 \/ IC 87)\u003c\/strong\u003e from Kazze is a precision SMD photo-coupler IC used in Jack industrial sewing machine motor control boards. This critical component provides electrical signal isolation between the control circuit and motor drive circuit — preventing voltage spikes, noise interference, and board damage. A faulty optocoupler causes signal loss, erratic machine behaviour, or complete control failure.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e✅ Key Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEL817S SMD Optocoupler\u003c\/strong\u003e — High-speed photo-coupler for precise signal isolation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSOT-23 \/ SOP-4 Package\u003c\/strong\u003e — Compact surface-mount design for direct PCB replacement\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMulti-Reference Compatibility\u003c\/strong\u003e — Used as U7, U4, A2 \u0026amp; IC 87 across Jack PCB boards\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHigh CTR Ratio\u003c\/strong\u003e — Reliable signal transfer with minimal power loss\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eJack Specific Use\u003c\/strong\u003e — Compatible with Jack industrial sewing machine control boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e🔧 Recommended For:\u003c\/strong\u003e Signal isolation repair, optocoupler replacement \u0026amp; Jack machine electronic PCB servicing.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003ccode class=\"bg-text-200\/5 border border-0.5 border-border-300 text-danger-000 whitespace-pre-wrap rounded-[0.4rem] px-1 py-px text-[0.9rem]\"\u003eSource genuine Jack sewing machine spare parts at Kazze — precision-engineered components trusted by garment factories across India.\u003c\/code\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e📞 \u003cstrong\u003eFor Orders \u0026amp; Enquiries: Call +91 9211877277\u003c\/strong\u003e 🌐 \u003cstrong\u003eVisit: \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"http:\/\/www.kazze.in\"\u003ewww.kazze.in\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"KAZZE","offers":[{"title":"Default Title","offer_id":45204272808134,"sku":"98400067","price":25.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/8693\/0374\/files\/98400067.png?v=1762926427","url":"https:\/\/www.kazze.in\/products\/jack-optocoupler-el817s-u7-a2-ic-87-spare-part","provider":"KAZZE","version":"1.0","type":"link"}