FA2707-BL

Document 672 Flyback Transformers ForSTMicroelectronicsPM8800 PoE Powered Device Controller Flyback transformers developed for STMicroelectronics Operates at 250 kHz with 30 – 60 V input Versions for 5 V and 3.3 V output in 20 Watt applications 1500 Vrms, one minute isolation primary and bias to secondary windings Core material Ferrite Weight  8.3 – 8.5 g Terminations  RoHS tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Ambient temperature  –40°C to +125°C Storage temperature  Component: –40°C to +125°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 Pa...