Part Number: 750311591 vs 750310007

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Part Number: 750311591 750310007
Manufacturer: Wurth Electronics Midcom Wurth Electronics Midcom
Description: TRANS FLYBACK LT3748 8UH SMD TRANS FLYBACK LM5070LM5071LM5072
Quantity Available: Available Available
Datasheets: Passive Components Prod Catalog -
Factory Lead Time 20 Weeks 16 Weeks
Mount Surface Mount Surface Mount
Mounting Type Surface Mount Surface Mount
Operating Temperature -40°C~125°C -40°C~125°C
Packaging Tape & Reel (TR) Tape & Reel (TR)
Series WE-FB WE-PoE, MID-POE
Part Status Active Active
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Termination SMD/SMT -
Max Operating Temperature 125°C 125°C
Min Operating Temperature -40°C -40°C
Applications Flyback Converters Power Over Ethernet (PoE)
Depth 13.69mm -
Current Rating 20A -
Frequency 150kHz -
Voltage - Isolation 1500Vrms 1500Vrms
Output Voltage 15V -
Inductance 8 μH -
DC Resistance (DCR) 18mOhm -
Max DC Current 20A -
Input Current 100A -
Voltage - Primary 20V~48V 35V~57V
Turns Ratio - Primary:Secondary 1.5:1 -
Inductance @ Frequency 8μH @ 150kHz 127μH @ 100kHz
Footprint 1.064 L x 1.272 W (27.03mm x 32.31mm) 0.530 L x 0.699 W (13.46mm x 17.75mm)
Chipset Manufacturer Linear Technology National Semiconductor
Voltage - Auxiliary 10V 12V @ 15mA
Intended Chipset LT3573, LT3574, LT3575, LT3748 LM5070, LM5071, LM5072
Height 13.69mm -
Height Seated (Max) 0.544 13.82mm 0.505 12.83mm
Length 32.31mm 17.75mm
Width 27.03mm 13.46mm
REACH SVHC Unknown -
RoHS Status ROHS3 Compliant ROHS3 Compliant
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