LM5071 LM5072 SR-332 DA2257-AL DA2257-ALD EIA-481 - Datasheet Archive

 

Flyback Transformer For National Semiconductor LM5071 & LM5072 PD Controllers · Dual-output flyback transformer for

 

Document 509 Flyback Transformer For National Semiconductor LM5071 LM5071 & LM5072 LM5072 PD Controllers · Dual-output flyback transformer for Power over Ethernet · Operates in continuous mode at 250 kHz with 14 ­60 V input · 2000 Vrms isolation from primary and auxiliary to secondaries Core material Ferrite Terminations RoHS compliant tin-silver over tin over nickel over phos bronze. Other terminations available at additional cost. Weight 6.35g 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