Isolation transformer YCEF series

electrical power supplyencapsulatedhigh-frequency

• Specified by Texas Instruments in Reference Design SLUU341 for 300 Watt Isolated PFC Power Supply • EF20-1, Flyback transformer (T201) for 5 W bias supply operates with an input voltage range of 100 - 450 V. • EF20-1, Gate drive transformer (T301) Core material Ferrite Terminations RoHS compliant tin-silver over tin over copper. Other terminations available at additional cost. Weight EF20-1:13.5 g; Ambient température -40°C to +85°C Storage température 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. 1. Inductance measured at 100 kHz, 0.1 Vrms, 0 Adc using an Agilent/ HP 4263B impédance analyzer or équivalent. 2. Peak primary current drawn at minimum input voltage. 3. Leakage inductance is for the primary and is measured with the second-ary shorted. 4. Output of the P1 winding is 10 V, 20 mA. 5. Isolation: 3000 Vrms, one minute primary to secondary; 500 Vrms, one minute windings to core 6. Electrical spécifications at 25°C.