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SiFirst Datasheets

Browse SiFirst electronic component datasheets and part numbers available on Datasheet4U.

Popular SiFirst Parts

Part Number Description
SF6021 highly integrated DCM Primary Side Regulation power switch
SF6010R CV/CC Controller
SFL669 High Precision AC/DC PSR Power Switch
SF5922S CV/CC Power Switch
SF5926 High Precision Primary Side Regulation (PSR) CV/CC Power Switch
SF5887 Generation Quasi-Resonant PWM Controller
SF1531S Current Mode PWM Controller
SF5545 Current Mode PWM Controller
SFL678 AC/DC PSR Controller
SF1565SG Highly Integrated Current Mode PWM Controller
SF1565SGT Highly Integrated Current Mode PWM Controller
SF1565DP Highly Integrated Current Mode PWM Controller
SF6771S CV/CC Controller
SF6772S Power MOSFET
SFL320 High Power Factor Flyback PWM Controller
SFL629 High Precision Offline PSR Power Switch
SF1539 PWM Power Switch
SF1549 PWM Power Switch
SF1539HT PWM Power Switch
SF5920S High Performance Primary Side Regulation (PSR) CV/CC Controller
SF5877 Generation Quasi-Resonant PWM Controller
SFL330 High Power Factor Flyback PWM Controller
SF6562 High Performance Transition Mode PFC Controller
SF5897 Generation Quasi-Resonant PWM Controller
SFL668 High Precision AC/DC PSR Controller
SF1533 PWM Power Switch
SF5920 CV/CC Controller
SF6761S CV/CC Controller
SF6072 CV/CC Power Switch
SF5773S PWM Controller
SF5879 PWM Power Switch
SF5938S Power MOSFET
SF6777 CV/CC Power Switch
SFL100 Constant Voltage and Constant Current Controller
SF1538 High Performance PWM Power Switch
SF1546 PWM Power Switch
SF5926S CV/CC Power Switch
SF5928S CV/CC Power Switch
SF5590 PWM Controller
SF5773 Generation Quasi-Resonant PWM Controller
SF1531 Current Mode PWM Controller
SF1585 High Integrated Current Mode PWM Controller
SFL900B super-PFC/PSR Controller
SFL900 super-PFC/PSR Controller
SF5922 High Precision Primary Side Regulation (PSR) CV/CC Power Switch
SF1565 Highly Integrated Current Mode PWM Controller
SF5928 High Precision Primary Side Regulation (PSR) CV/CC Power Switch
SF1530 High Performance Current Mode PWM Controller
SF1560 Highly Integrated Current Mode PWM Controller
SF1539W PWM Power Switch
SFL900C super-PFC/PSR Controller
SF5565M Current Mode PWM Controller
SF6778S Power MOSFET
SF5580 PWM Controller
SF6772 CV/CC Power Switch