{"product_id":"lnk6665k","title":"LNK6665K","description":"\u003ch2\u003eLNK6665K - LinkSwitch™-HP Integrated Offline Switcher IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLNK6665K\u003c\/strong\u003e from Power Integrations is a high-performance 42W integrated offline switcher IC designed for isolated flyback AC-DC power conversion applications. Part of the LinkSwitch-HP family, this device integrates a 650V power MOSFET with advanced control circuitry, delivering reliable and efficient power conversion for industrial, consumer, and telecommunications equipment.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e42W Output Power:\u003c\/strong\u003e Ideal for mid-power AC-DC applications requiring compact, cost-effective solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e650V High-Voltage MOSFET:\u003c\/strong\u003e Integrated power switch handles universal AC input with margin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120-136kHz Switching Frequency:\u003c\/strong\u003e Enables smaller magnetics and compact PCB layouts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Built-in current limiting, overload, over-temperature, over-voltage, and short-circuit protection ensures robust operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e64% Maximum Duty Cycle:\u003c\/strong\u003e Optimized for flyback topology efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Mount 12-ESOP Package:\u003c\/strong\u003e Space-saving design with exposed pad for enhanced thermal performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-40°C to 150°C Junction Temperature Range:\u003c\/strong\u003e Suitable for demanding industrial and automotive environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAC-DC power supplies for industrial automation and control systems\u003c\/li\u003e\n\u003cli\u003eTelecom and networking equipment power modules\u003c\/li\u003e\n\u003cli\u003eConsumer electronics adapters and chargers\u003c\/li\u003e\n\u003cli\u003eSmart home and IoT device power supplies\u003c\/li\u003e\n\u003cli\u003eLED lighting drivers and auxiliary power supplies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose LNK6665K?\u003c\/h3\u003e\u003cp\u003eThe LNK6665K simplifies power supply design by integrating the high-voltage switch, control logic, and protection features into a single IC. This reduces component count, lowers BOM cost, and accelerates time-to-market. Power Integrations' proven LinkSwitch-HP architecture delivers excellent efficiency, low standby power, and high reliability—backed by full manufacturer documentation and traceability from authorized distributors.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003ePower Integrations\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eLinkSwitch™-HP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003e | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOutput Isolation\u003c\/td\u003e \t\u003ctd\u003eIsolated\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInternal Switch(s)\u003c\/td\u003e \t\u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Breakdown\u003c\/td\u003e \t\u003ctd\u003e650V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eTopology\u003c\/td\u003e \t\u003ctd\u003eFlyback\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Start Up\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eDuty Cycle\u003c\/td\u003e \t\u003ctd\u003e64%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003e120kHz ~ 136kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e42 W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFault Protection\u003c\/td\u003e \t\u003ctd\u003eCurrent Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eControl Features\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 150°C (TJ)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e12-BESOP (0.350\", 8.89mm Width), 11 Leads, Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e12-ESOP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1761919810\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eAuthenticity \u0026amp; Support Guarantee\u003c\/h3\u003e\u003cp\u003eAll LNK6665K units are sourced from authorized Power Integrations distributors with full manufacturer traceability, documentation, and warranty support. We provide long lifecycle availability to support your design programs and mitigate obsolescence risk. Technical resources, reference designs, and design-in support available upon request.\u003c\/p\u003e","brand":"Power Integrations","offers":[{"title":"Default Title","offer_id":51117345538337,"sku":"LNK6665K","price":355877.81,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_ACDCCOS_596_PI-5748_K_11_5e79a7ce-09dd-4d41-b746-61e703f20bfc.jpg?v=1743672906","url":"https:\/\/hqickey.com\/de\/products\/lnk6665k","provider":"HQICKEY","version":"1.0","type":"link"}