{"product_id":"str-l451","title":"STR-L451","description":"\u003ch2\u003eSTR-L451 AC-DC Offline Switching Regulator\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSTR-L451\u003c\/strong\u003e from Sanken Electric is a high-performance isolated flyback switching regulator designed for reliable AC-DC power conversion applications. This integrated circuit features a 650V breakdown voltage rating and delivers up to 74W of power, making it ideal for industrial, consumer electronics, and telecommunications power supply designs.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolated Flyback Topology\u003c\/strong\u003e - Provides electrical isolation between input and output for enhanced safety and noise immunity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e650V Breakdown Voltage\u003c\/strong\u003e - High voltage capability enables universal AC input designs (85-265VAC) for global market compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e74W Power Output\u003c\/strong\u003e - Suitable for medium-power applications including set-top boxes, adapters, and auxiliary power systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Protection\u003c\/strong\u003e - Built-in current limiting, overload, and over-temperature protection ensures reliable operation and extends product lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Hole Package\u003c\/strong\u003e - Easy assembly and reliable mechanical connection in STA-10L configuration for production-ready designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant\u003c\/strong\u003e - Meets environmental standards for lead-free manufacturing and global regulatory compliance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Standby Power\u003c\/strong\u003e - Optimized for energy efficiency in compliance with modern power consumption standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e - Designed for stable performance across varying load and line conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe STR-L451 is perfect for AC-DC power supplies in consumer electronics, industrial equipment, LED lighting drivers, and auxiliary power systems requiring reliable isolated power conversion. Common applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSwitch-mode power supplies (SMPS) for home appliances\u003c\/li\u003e\n\u003cli\u003eBattery chargers and adapters\u003c\/li\u003e\n\u003cli\u003eIndustrial control systems and instrumentation\u003c\/li\u003e\n\u003cli\u003eLED driver circuits for lighting applications\u003c\/li\u003e\n\u003cli\u003eTelecommunications equipment and networking devices\u003c\/li\u003e\n\u003cli\u003eAuxiliary power modules in automotive and medical equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign Benefits\u003c\/h3\u003e\u003cp\u003eEngineers choose the STR-L451 for its proven reliability, comprehensive protection features, and ease of integration. The through-hole package simplifies prototyping and production assembly, while the integrated protection circuitry reduces external component count and overall BOM cost. With full traceability and long lifecycle availability, this component is ideal for designs requiring sustained production support.\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\u003eSanken Electric USA Inc.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eSTR-L400\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eBulk | \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\u003e35V (Max)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eDuty Cycle\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e74 W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFault Protection\u003c\/td\u003e \t\u003ctd\u003eCurrent Limiting, Over Load, Over Temperature\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-\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\u003eThrough Hole\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e10-SIP, 8 Leads\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003eSTA-10L\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\u003eQuality \u0026amp; Traceability\u003c\/h3\u003e\u003cp\u003eAll STR-L451 components from HQICKEY come with full manufacturer traceability, date code tracking, and compliance documentation. We maintain rigorous quality control standards to ensure authentic components with verified specifications for your critical power supply designs.\u003c\/p\u003e\u003ch3\u003eRelated Resources\u003c\/h3\u003e\u003cp\u003eExplore our complete selection of \u003ca href=\"https:\/\/hqickey.com\/collections\/ac-dc-converters-offline-switchers\" title=\"AC DC Converters and Offline Switchers\"\u003eAC DC Converters, Offline Switchers\u003c\/a\u003e for additional power conversion solutions. Visit the \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - Semiconductor Components Supplier\"\u003eHQICKEY homepage\u003c\/a\u003e to browse our full catalog of programmable logic, power management, and semiconductor components. For technical insights and industry updates, check out our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY Technical Blog and News\"\u003eTechnical Blog\u003c\/a\u003e.\u003c\/p\u003e","brand":"Sanken Electric USA Inc.","offers":[{"title":"Default Title","offer_id":51117221413153,"sku":"STR-L451","price":12.44,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/pna_en_Public_2ccf25f4-992f-418d-94e4-8891b7ac5089.jpg?v=1743670373","url":"https:\/\/hqickey.com\/de\/products\/str-l451","provider":"HQICKEY","version":"1.0","type":"link"}