{"product_id":"fsl128mrtwdtu","title":"FSL128MRTWDTU","description":"\u003ch2\u003eonsemi FSL128MRTWDTU - FPS™ Series Offline Switching Regulator\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eFSL128MRTWDTU\u003c\/strong\u003e is a high-performance 40W flyback switching regulator from onsemi's FPS™ (Fairchild Power Switch) series. Designed for isolated AC-DC power conversion applications, this integrated controller combines a 800V power MOSFET with advanced protection features for reliable, efficient power delivery in industrial, consumer, and telecommunications equipment.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 800V Power Switch\u003c\/strong\u003e - High breakdown voltage enables direct offline operation from universal AC input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40W Output Power\u003c\/strong\u003e - Suitable for medium-power applications including adapters, chargers, and auxiliary supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlyback Topology\u003c\/strong\u003e - Cost-effective isolated design with minimal external components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e67kHz Switching Frequency\u003c\/strong\u003e - Optimized for transformer size and efficiency balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection\u003c\/strong\u003e - Built-in current limiting, overload, over-temperature, and over-voltage protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range\u003c\/strong\u003e - 7.5V to 26V supply voltage, -40°C to 125°C junction temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Hole Package\u003c\/strong\u003e - TO-220F-6L with formed leads for easy PCB assembly and thermal management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant\u003c\/strong\u003e - Meets environmental standards for global markets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAC-DC power adapters and chargers\u003c\/li\u003e\n\u003cli\u003eAuxiliary power supplies for industrial equipment\u003c\/li\u003e\n\u003cli\u003eSet-top boxes and consumer electronics\u003c\/li\u003e\n\u003cli\u003eLED lighting drivers\u003c\/li\u003e\n\u003cli\u003eSmart home and IoT devices\u003c\/li\u003e\n\u003cli\u003eTelecom and networking equipment\u003c\/li\u003e\n\u003c\/ul\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\u003eonsemi\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eFPS™\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\u003e800V\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\u003e12 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e7.5V ~ 26V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eDuty Cycle\u003c\/td\u003e \t\u003ctd\u003e67%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFrequency - Switching\u003c\/td\u003e \t\u003ctd\u003e67kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePower (Watts)\u003c\/td\u003e \t\u003ctd\u003e40 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\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 ~ 125°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\u003eThrough Hole\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003eTO-220-6 Full Pack, Formed Leads\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003eTO-220F-6L (Forming)\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; Authenticity Guarantee\u003c\/h3\u003e\u003cp\u003eAll onsemi components are sourced through authorized distribution channels with full manufacturer traceability and documentation. We provide genuine parts with long lifecycle support to ensure your design remains in production for years to come.\u003c\/p\u003e\u003ch3\u003eDesign Resources\u003c\/h3\u003e\u003cp\u003eComplete datasheets, application notes, reference designs, and technical support available. Our team can assist with component selection, circuit design, and obsolescence management for your power supply projects.\u003c\/p\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":51117337510177,"sku":"FSL128MRTWDTU","price":355874.9,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_ACDCCOS_TO-220F-6L_98950885-acdc-4d8f-9e75-ca06dc397079.jpg?v=1743672618","url":"https:\/\/hqickey.com\/products\/fsl128mrtwdtu","provider":"HQICKEY","version":"1.0","type":"link"}