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 ...

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