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WE-CFWI Coupled Flatwire Inductor

Size Dimen­sionsL
(mm)
W
(mm)
H
(mm)
1310 15.5 13.2 10.5
1312 15.5 13.2 12.5
1813 21 18.5 13.5

Characteristics

  • Very low RDC
  • Saturation current higher than 50 A
  • Low inductance drift over temperature
  • Coupled inductor with two identical windings
  • More variants due to parallel and series connection possible

Applications

  • High power switching regulators
  • 1:1 flyback converter
  • Buck, Boost, Sepic and Cuk Converter
  • Switching regulators with second unregulated output voltage
  • Battery Cell Charging Balancer

An Excellent Duet!

The WE-MCRI is an innovative molded coupled inductor with fully automated bifilar winding process. It offers an almost ideal coupling coefficient up to 0.995.

Product video and more

Products

All
1310
1312
1813
Order Code Data­sheet Simu­lation DownloadsL1
(µH)
L2
(µH)
nIR
(A)
IR 2
(A)
ISAT1
(A)
ISAT2
(A)
RDC 1
(mΩ)
RDC 2
(mΩ)
Samples
74485540080SPEC
7 files 0.8 0.8 1:1 28 28 62 62 1.6 1.6
74485540120SPEC
7 files 1.2 1.2 1:1 23 23 47 47 2.4 2.4
74485540170SPEC
7 files 1.7 1.7 1:1 21 21 39 39 3.3 3.3
74485540220SPEC
7 files 2.2 2.2 1:1 18 18 35 35 4.2 4.2
74485540290SPEC
7 files 2.9 2.9 1:1 17 17 29 29 5.6 5.6
74485540350SPEC
7 files 3.5 3.5 1:1 14 14 27 27 7.5 7.5
74485540440SPEC
6 files 4.4 4.4 1:1 12 12 24 24 9.6 9.6
74485540680SPEC
7 files 6.8 6.8 1:1 14 14 16 16 11.3 11.3
74485540820SPEC
7 files 8.2 8.2 1:1 13.5 13.5 14 14 13 13
74485540101SPEC
7 files 10 10 1:1 13 13 13.5 13.5 13.9 13.9
74485542680SPEC
7 files 6.8 6.8 1:1 13.5 13.5 26 26 6.1 6.1
74485542820SPEC
7 files 8.2 8.2 1:1 13 13 24 24 8.4 8.4
74485542101SPEC
7 files 10 10 1:1 11.5 11.5 22 22 11 11
Order Code Data­sheet Simu­lation
74485540080SPEC
74485540120SPEC
74485540170SPEC
74485540220SPEC
74485540290SPEC
74485540350SPEC
74485540440SPEC
74485540680SPEC
74485540820SPEC
74485540101SPEC
74485542680SPEC
74485542820SPEC
74485542101SPEC
Samples
Order Code Data­sheet Simu­lation DownloadsL1
(µH)
L2
(µH)
nIR
(A)
IR 2
(A)
ISAT1
(A)
ISAT2
(A)
RDC 1
(mΩ)
RDC 2
(mΩ)
Samples

Videos

WE-MCRI – Innovative Molded Coupled Inductor by Würth Elektronik eiSos