{"product_id":"fsd146mrbn","title":"FSD146MRBN","description":"\u003ch2\u003eonsemi FSD146MRBN - 35W Flyback Switching Regulator IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eFSD146MRBN\u003c\/strong\u003e from onsemi's FPS™ (Fairchild Power Switch) series is a high-performance, isolated flyback switching regulator designed for offline AC-DC power conversion applications up to 35W. This integrated solution combines a 650V power MOSFET with a current-mode PWM controller, delivering exceptional efficiency and reliability in a compact 8-DIP through-hole package.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated 650V Power MOSFET:\u003c\/strong\u003e High breakdown voltage enables direct offline operation from universal AC input (85-265VAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35W Output Power:\u003c\/strong\u003e Ideal for consumer electronics, industrial controls, LED drivers, and auxiliary power supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e67kHz Switching Frequency:\u003c\/strong\u003e Optimized for transformer size reduction and EMI performance\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 long-term reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e 7.5V to 23V supply voltage with 12V start-up capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Temperature Range:\u003c\/strong\u003e -40°C to +125°C junction temperature for demanding industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Hole Mounting:\u003c\/strong\u003e Standard 8-DIP package simplifies PCB assembly and rework\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAC-DC adapters and chargers\u003c\/li\u003e\n\u003cli\u003eAuxiliary power supplies for industrial equipment\u003c\/li\u003e\n\u003cli\u003eLED lighting drivers\u003c\/li\u003e\n\u003cli\u003eHome appliances and consumer electronics\u003c\/li\u003e\n\u003cli\u003eSmart home devices and IoT applications\u003c\/li\u003e\n\u003cli\u003eBattery charging systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose FSD146MRBN?\u003c\/h3\u003e\u003cp\u003eThe FSD146MRBN simplifies power supply design by integrating critical components into a single package, reducing BOM cost and board space. Its robust protection features and wide operating temperature range make it suitable for both consumer and industrial applications. As an authorized distributor, we provide genuine onsemi components with full manufacturer documentation, traceability, and warranty 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\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\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\u003e12 V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e7.5V ~ 23V\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\u003e35 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 ~ 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\u003e8-DIP (0.300\", 7.62mm)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e8-DIP\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eAuthorized Distributor - Guaranteed Authenticity\u003c\/h3\u003e\u003cp\u003eWe are an authorized distributor of onsemi semiconductors, ensuring you receive 100% genuine components with full manufacturer warranty, complete documentation, and supply chain traceability. Every FSD146MRBN IC is sourced directly from onsemi or authorized channels, backed by our commitment to quality and long lifecycle support.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNeed technical support or design resources?\u003c\/strong\u003e Contact our applications team for reference designs, transformer calculations, and layout guidelines to accelerate your power supply development.\u003c\/p\u003e","brand":"onsemi","offers":[{"title":"Default Title","offer_id":51117335773473,"sku":"FSD146MRBN","price":355904.94,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_ACDCCOS_488_MKT-N08M_8_a1f5d763-eeed-4d80-9a10-7125d1ee26bc.jpg?v=1743672587","url":"https:\/\/hqickey.com\/products\/fsd146mrbn","provider":"HQICKEY","version":"1.0","type":"link"}