C1588-AL

Document 458 Flyback Transformers For National Semiconductor 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. 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