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FLEXformer 15 Transformers

Part Number
V-uSec Rating
Inductance Lbase(uH)
Turns Ratio
Package Style
Pin Style
RoHS
Mechanical
Schematic
Product Sheet
SpecSheet
31285R
43
25
1:1:1:1:1
EFD15
SMD
NO
1
1
31286R
51
40
1:1:1:1:1
EFD15
SMD
NO
1
1
31287R
54
64
1:1:1:1:1
EFD15
SMD
NO
1
1
31288R
43
100
1:1:1:1:1
EFD15
SMD
NO
1
1
31289R
71
210
1:1:1:1:1
EFD15
SMD
NO
1
1

* If RoHS version is not listed, please contact Wurth Electronics Midcom,Inc.

Features
 
  • Economical, reliable SMD transformers and inductors
    		•
     
  • Combine windings in series or parallel to meet your specification
    		•
     
  • Manufactured with UL94 V-O materials
    		•
     
  • Pick and place compatible
    		•
     
  • Compatible with solder reflow to 240oC
    		•
     
  • Power range: Typically 8 watts and below
    		•
     
  • Frequency range up to 500 kHz
    		•

    Applications
     
  • Ideal for use as inductors or transformers in DC/DC converters for the following topologies and applications
  • Buck/Boost
  • Chokes
  • Filters
  • Coupled Inductors
  • Flyback
  • Push-Pull
  • SEPIC
  • Cuk
  • Forward Converters
  • Half/Full bridge
    		•

    Environmental Specifications
     
  • Operating temperature range: -40oC to +85oC
    		•
     
  • Storage temperature range: -50oC to +155oC
    		•

    Mechanical Drawings

    1
    Schematics

    1

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