Q3903-AL

Document 616 Toroidal Transformer – Q3903-AL Specified by ON Semiconductor for use with their NCP1605 PFC Controller.Referenced as X25, pulse transformer on evaluation board NCP1605FORWGEVB and Application Note AND8292. Recommended byTexas Instruments for use with their UC3875 Phase Shift Resonant Controller. Three 1 : 1 windings 500 Vrms, one minute winding-to-winding isolation. Core material Ferrite Terminations  RoHS compliant tin-silver over tin over nickel over brass. Other terminations available at additional cost. Weight  4.3 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  49 per tray PCB washing  Tested with pure water or a...