HA3950-AL

Document 746-1 Magnetics for 300 W Power Supply with PFC Specified byTexas Instruments in Reference Design SLUU341 for 300 Watt Isolated PFC Power Supply HA3950-AL, Flyback transformer (T201) for 5 W bias supply operates with an input voltage range of 100 – 450 V. HA3858-AL, Gate drive transformer (T301) Core material Ferrite Terminations  RoHS compliant tin-silver over tin over copper. Other terminations available at additional cost. Weight  HA3950-AL: 13.5 g; HA3858-AL: 4.1 g Ambient temperature  –40°C to +85°C Storage temperature  Component: –40°C to +85°C. Tray packaging: –40°C to +80°C Moisture Sensitivity Level (MSL)  1 (unlimited floor life at <30°C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332 Packaging  100 per tray PCB washing  Tested with pure water or alcohol only. For other solvents, see Doc787_PCB_Washing.pdf. HA39...