Document 974 Flyback Transformer for NXP Semiconductor SSL2103 SMPS Controller • Developed for NXP Semiconductor for use with the SSL2103 SMPS Controller for dimmable LED lighting • Designed to operate at 100 kHz with 120 Vac input • 2000 Vrms, one minute isolation from primary and auxiliary to secondary; 500 Vrms, one minute isolation from primary to auxiliary Core material Ferrite Terminations RoHS compliant tin-silver over tin over copper over steel. Other terminations available at additional cost. Weight 11.8 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 1 Part L at 0 A number ±10% (µH) MA5157-AL 750 at Ipk2 min (µH) 635 L DCR max (Ohms)3 Leakage L4 pri sec aux max (µH) 0.880 0.0950.585 20.5 Turns ratios Ipk2 Output5 pri : sec pri : aux (A) 1 : 0.23 1 : 0.20 1.2 23 V, 0.74 A 1. Inductance is for the primary, measured at 100 kHz, 0.1 Vrms, 0 Adc. 2.Ipk is peak primary current drawn at minimum input voltage. 3. DCR for the primary is measured with the windings connected in parallel. 4. Leakage inductance is for the primary winding, measured at 100 kHz, 0.1 Vrms, 0 A with secondary pins shorted. 6. Output is for the secondary. Output of the auxiliary coil is 19 V, 20 mA. 5. Electrical specifications at 25°C. Dimensions are in inches mm US +1-847-639-6400 [email protected] UK +44-1236-730595 [email protected] Taiwan +886-2-2264 3646 [email protected] China +86-21-6218 8074 [email protected] Singapore + 65-6484 8412 [email protected] Document 974 Revised 08/04/11 © Coilcraft Inc. 2013 This product may not be used in medical or high risk applications without prior Coilcraft approval. Specification subject to change without notice. Please check web site for latest information.