Part Number: 750311271 vs 750310559

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Part Number: 750311271 750310559
Manufacturer: Wurth Electronics Midcom Wurth Electronics Midcom
Description: TRANS FLYBACK LT1725 20.4UH TRANS FLYBACK LT3573 24UH SMD
Quantity Available: Available Available
Datasheets: 750311271 -
Factory Lead Time 16 Weeks 20 Weeks
Mounting Type Surface Mount Surface Mount
Operating Temperature -40°C~150°C -40°C~125°C
Packaging Tape & Reel (TR) Tape & Reel (TR)
Part Status Active Active
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Applications Flyback Converters Flyback Converters
Frequency 150kHz~300kHz -
Voltage - Isolation 1500Vrms 1500Vrms
Voltage - Primary 18V~36V 12V~30V
Inductance @ Frequency 20.4μH @ 10kHz 24μH @ 10kHz
Footprint 0.675 L x 0.875 W (17.15mm x 22.23mm) 0.525 L x 0.600 W (13.34mm x 15.24mm)
Chipset Manufacturer Linear Technology Linear Technology
Voltage - Auxiliary 12V @ 15mA 5V @ 20mA
Intended Chipset LT1725 LT3573, LT3574, LT3575, LT3748
Height Seated (Max) 0.355 9.02mm 0.455 11.56mm
RoHS Status ROHS3 Compliant ROHS3 Compliant
Mount - PCB, Surface Mount
Package / Case - SMD/SMT
Series - WE-FB
Max Operating Temperature - 125°C
Min Operating Temperature - -40°C
Capacitance - 0F
Output Voltage - 3.3V
Inductance - 24 μH
DC Resistance (DCR) - 64mOhm
Turns Ratio - Primary:Secondary - 4:1
Length - 15.24mm
Width - 13.34mm
REACH SVHC - No SVHC
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