750311783 Wurth Electronics Inc, 750311783 Datasheet

TRANS FLYBACK LT3748 20UH SMD

750311783

Manufacturer Part Number
750311783
Description
TRANS FLYBACK LT3748 20UH SMD
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Datasheets

Specifications of 750311783

Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
19 ~ 70V
Voltage - Auxillary
12V @ 10mA
Voltage - Isolation
1500Vrms
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
1.27" x 1.06" (32.3mm x 27.0mm)
Height Above Board
0.54" (13.7mm)
Chipset Manufacturer
Linear Technology
Inductance
20µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
1.5 : 1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2669-2
NEW!
Passive Components
New Products 2010/2011
EMC Ferrites
Common Mode Chokes
Power Inductors
Power Transformers
LAN Transformers

Related parts for 750311783

750311783 Summary of contents

Page 1

... NEW! Passive Components New Products 2010/2011 EMC Ferrites Common Mode Chokes Power Inductors Power Transformers LAN Transformers ...

Page 2

Small Component – Huge Award WE-PMI Power Multilayer Inductor We are proud to achieve the position product of the year 2010 for the “Passive Components“ category, as voted by readers of ELEKTRONIK magazine. 02 www.we-online.com place st ...

Page 3

WE-PMI Power Multilayer Inductor Size 0805 / Size 0806 Product of the year 2010!* Electrical properties: Size 0805 Order Code Inductance Q Test ±20% min. Frequency (µH) (MHz) 744 797 752 10 1 744 797 752 22 2.2 ...

Page 4

WE-PMI Power Multilayer Inductor Size 1008 (Low DCR) / Size 1008 (High Current) Electrical properties: Size 1008 (Low DCR) Order Code Inductance Q Test ±20% min. Frequency (µH) (MHz) 744 797 871 47 0.47 15 744 797 872 10 1.0 ...

Page 5

STAR-BUENO Snap Ferrite With optical closing control mechanism Innovative & ergonomic design Electrical properties Order Code Impedance (Ω) 25 MHz 100 MHz 742 758 12 100 742 758 13 120 742 758 15 180 Characteristics of one turn 742 758 ...

Page 6

WE-AFB LFS Low Frequency Axial Ferrite Bead Suppression in the low frequency range 150 kHz to 30 MHz Electrical properties Order Code (mm) (mm) (mm) 742 772 33 9.5 4.75 9.5 742 772 7 14.2 6.35 28.5 ...

Page 7

STAR-FIX LFS Low Frequency Suppressor Snap Ferrite Suppression in the low frequency range between 300 kHz to 30 MHz 150 kHz to 30 MHz Electrical properties Order Code (mm) (mm) (mm) 742 727 33 35.1 21.7 18.2 ...

Page 8

WE-CNSW SMD Common Mode Line Filter Size 0603 Size 0603 Electrical properties Order Code Impedance @ 100 MHz Rated Voltage (Ω) (V) 744 230 220 22 744 230 450 45 744 230 900 90 744 230 121 120 744 230 ...

Page 9

WE-CNSW SMD Common Mode Line Filter Size 0603 744 230 220 1000 100 100 1000 Frequenz/frequency (MHz) Z (com) Z (dif) 744 230 121 1000 100 100 1000 Frequenz/frequency (MHz) Z (com) ...

Page 10

WE-CNSW HF SMD Common Mode Line Filter Size 0805 High frequency version USB 3.0 applications Electrical properties Order Code Impedance @ 100 MHz Rated Voltage (Ω) (V) 744 233 670 67 744 233 900 90 744 233 121 120 Schematic ...

Page 11

WE-TPC SMD Shielded Tiny Power Inductor Size 2828 Small Extremely high package size! saturation current! Electrical properties Order Code Inductance Tolerance DCR typ. (µH) (%) (mΩ) 744 025 000 47 0.47 ±25 19.0 744 025 000 72 0.72 ±25 23.5 ...

Page 12

WE-TDC SMD Coupled Inductor Size 8018 Height 1.8 mm and currents Electrical properties Order Code Inductance DCR typ. DCR max. (µH) (mΩ) 744 894 300 033 0.33 11.1 744 894 300 068 0.68 16.3 744 894 ...

Page 13

WE-TDC SMD Coupled Inductor Size 8038 Electrical properties Order Code Inductance DCR typ. DCR max. (µH) (mΩ) (mΩ) 744 894 400 039 0.39 11.6 14.5 744 894 400 082 0.82 15.9 20.0 744 894 400 12 1.20 20.2 26.0 744 ...

Page 14

WE-PD2 HV High Voltage SMD Power Inductor Size 7850 / Size 1054 Inductors for non-isolated SMPS (400 V Electrical properties: Size 7850 Order Code Inductance DCR typ. (µH) (Ω) 768 775 30 1000 2.78 768 775 312 1200 3.77 768 ...

Page 15

WE-TI HV Radial Leaded Wire Wound Inductor Size L Inductors for non-isolated SMPS (400 Electrical properties Order Code Inductance DCR max. (µH) (Ω) 768 772 102 1000 2.08 768 772 122 1200 2.64 768 772 152 1500 ...

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WE-TI Radial Leaded Wire Wound Inductor Size LM High rated and saturation currents in small size Electrical properties Order Code L Tolerance (µH) (%) 744 732 015 1.5 ±20 744 732 100 10 ±20 744 732 470 47 ±10 744 ...

Page 17

WE-HCF SMD High Current Inductor Size 2013 Extended inductance values Electrical properties Order Code L ±15% L DCR ±10 (µH) (µH) (mΩ) 744 363 150 0 15 14.70 8.70 744 363 220 0 22 21.10 10.65 744 363 ...

Page 18

WE-HCM SMD High Current Flat Wire Inductor Size 1190 / Size 1390 Tight DCR for current sense applications Multiphase switching regulator Electrical properties: Size 1190 Order Code L ±20% DCR ±7% o (nH) (mΩ) 744 301 025 250 744 301 ...

Page 19

WE-RJ45 LAN RJ45 LAN Transformer & USB 3.0 2x USB 3.0 Connector Typical electrical characteristics Order Code Inductance Dielectric Rating Turns Ratio Insertion Loss Return Loss Crosstalk Common Mode Rejection Schematic Ω ...

Page 20

... LT3748 DC1557A 750 108 LT3748 DC1694A ** all datasheets are available on www.we-online.com *** different set-ups possible with additional transformers which are included in the design kits 20 www.we-online.com Characteristics Standard transformers for various output voltages currents available Easy design of custom power supply due to standard ...

Page 21

WE-FB Flyback Transformer LT3573 / LT3574 / LT3575 / LT3748 Electrical properties* (sorted by power) Reference to Linear Technology Specification external Order Code MOSFET LT3748 750 311 ...

Page 22

... Intuitive menu  Offline processable  Manual calculation alternatively  Free of charge  WE-FLEX Designer The WE-FLEX Designer calculates suitable transformers for flyback applications. Free of charge. Application Guide Block diagrams of important applications and interfaces such as: DC/DC Converter  AC/DC Converter  CAN  ...

Page 23

Passive & Electromechanical Components EMC Components Power Magnetics Signal & Communications Connectors Switches Assembly Technique Power Elements www.we-online.com 23 ...

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Würth Elektronik differs from all other component manufacturers in several aspects: We guarantee all catalogue products are manufactured to stock  Samples free of charge  Orders below MOQ  Design kits with lifelong free refill ...

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