{"product_id":"pc817-4-dip-optocoupler-photocoupler-bulk-pack","title":"PC817 4-DIP Optocoupler Photocoupler – 10 to 50 Pack","description":"\n\u003ch2\u003ePC817 4-DIP Optocoupler Photocoupler – High Density Mounting Type\u003c\/h2\u003e\n\u003cp\u003eGet reliable signal isolation with the \u003cstrong\u003ePC817 (PC817C \/ EL817C \/ LTV817) 4-pin DIP Optocoupler\u003c\/strong\u003e. Available in convenient bulk packs of 10 to 50 pieces, these photocouplers are a go-to component for hobbyists, engineers, and electronics enthusiasts who need dependable electrical isolation between circuit stages.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the PC817 Optocoupler?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven, industry-standard design\u003c\/strong\u003e – Compatible with PC817, 817, PC817C, EL817C, LTV817, and PC817-1 specifications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Density Mounting Type\u003c\/strong\u003e – 4-pin DIP package designed for easy PCB integration and high-density board layouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical isolation\u003c\/strong\u003e – Optically isolates input and output circuits, protecting sensitive components from voltage spikes and noise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch-type operation\u003c\/strong\u003e – Ideal for switching applications, microcontroller interfaces, and signal level conversion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand new condition\u003c\/strong\u003e – Every unit is new and ready for use straight out of the pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBulk value packs\u003c\/strong\u003e – Choose from 10, 20, 30, 40, or 50-piece quantities to suit your project needs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo high-concern chemicals\u003c\/strong\u003e – Safe and compliant for standard electronics use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMicrocontroller and MCU interface circuits\u003c\/li\u003e\n  \u003cli\u003eAC\/DC power supply feedback and control\u003c\/li\u003e\n  \u003cli\u003eSignal level shifting and voltage isolation\u003c\/li\u003e\n  \u003cli\u003eRelay driver circuits\u003c\/li\u003e\n  \u003cli\u003eSwitching power supplies and inverters\u003c\/li\u003e\n  \u003cli\u003eIndustrial control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC817 \/ PC817C \/ EL817C \/ LTV817 \/ PC817-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Pin DIP (High Density Mounting)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSwitch Optocoupler \/ Photocoupler\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 \/ 20 \/ 30 \/ 40 \/ 50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What are PC817 optocouplers commonly used for in electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: PC817 optocouplers are widely used for electrical isolation between two circuit sections. Common applications include microcontroller signal interfaces, switching power supply feedback loops, relay driver circuits, and AC\/DC voltage isolation. Their 4-pin DIP package makes them straightforward to integrate into standard PCBs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these PC817 components compatible with LTV817 and EL817C equivalents?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The PC817, PC817C, EL817C, LTV817, and PC817-1 are functionally equivalent optocoupler variants sharing the same 4-pin DIP pinout and electrical characteristics. They can generally be used interchangeably in most circuit designs that call for any of these part numbers.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many pieces are included in each pack?\u003c\/h4\u003e\n\u003cp\u003eA: You can select your preferred quantity — packs are available in 10, 20, 30, 40, or 50 pieces — making it easy to stock up for prototyping, production runs, or general-purpose electronics work.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What are PC817 optocouplers commonly used for in electronics projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PC817 optocouplers are widely used for electrical isolation between two circuit sections. Common applications include microcontroller signal interfaces, switching power supply feedback loops, relay driver circuits, and AC\/DC voltage isolation. 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