C1589-AL

Document 458 Flyback Transformers ForNationalSemiconductor LM5070 PoE Interface – 7 Watt Flyback transformers for 7 W PoE applications Designed to operate in continuous mode at 250 kHz with an input of 36 – 72 Vdc 1500 Vrms isolation from primary and bias to secondary Core material Ferrite Terminations  RoHS tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Weight  3.85 g Ambient temperature  –40°C to +85°C Storage temperature  Component: –40°C to +85°C. Tape and reel packaging: –40°C to +80°C Resistance to soldering heat  Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles 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 PCB washing  Tested with pure water or alcohol only. Fo...