Flyback Transformers
Document 459
Flyback Transformers ForTexasInstruments LM5070 PoE Interface – 3 Watt
• Flyback transformers for 3 W PoE...
Description
Document 459
Flyback Transformers ForTexasInstruments LM5070 PoE Interface – 3 Watt
Flyback transformers for 3 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 2.05 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 Packaging 350 per 13″ reel Plastic tape: 32 mm wide...
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