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WE-DD SMT Shielded Coupled Inductor

SizeL
(mm)
W
(mm)
H
(mm)
7332 straight 7.3 7.3 4
7345 straight 7.3 7.3 4.8
1260 straight 12.5 12.5 6.5
1280 straight 12.5 12.5 8.5
1260 crossed 12.5 12.5 6.5
1280 crossed 12.5 12.5 8.5
1210 crossed 12.5 12.5 10.5

Characteristics

  • 1:1 transformer
  • Double inductor with two identical windings
  • 5 different sizes available
  • Operating temperature: –40 ºC to +125 ºC
  • Recommended solder profile: Reflow
  • Custom designs on request

Applications

  • For SEPIC and CUK topologies
  • Flyback applications
  • Switching regulators with second, unregulated output voltage

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
7332 straight
7345 straight
1260 straight
1280 straight
1260 crossed
1280 crossed
1210 crossed
Order Code Data­sheet DownloadsL1
(µH)
L2
(µH)
IR 1
(A)
IR 2
(A)
ISAT 1
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres 1
(MHz)
TypeDesign Kit Samples
744878001SPEC
8 files 1.3 1.3 4.4 4.4 6.3 0.027 0.027 0.035 0.035 60 Straight744870
744874001SPEC
8 files 1.5 1.5 5.85 5.85 14 0.012 0.012 0.016 0.016 70 Straight
744873001SPEC
8 files 1.5 1.5 6.25 6.25 18 0.011 0.011 0.015 0.015 75 Straight
7448700015SPEC
8 files 1.5 1.5 8.6 8.6 17.5 0.012 0.012 0.016 0.016 60 Crossed
744877001SPEC
8 files 1.8 1.8 4.7 4.7 6.5 0.025 0.025 0.034 0.034 58 Straight744870
7448709022SPEC
8 files 2.2 2.2 4.1 4.1 19 0.015 0.015 0.017 0.017 45 Crossed
744878002SPEC
8 files 2.4 2.4 3.6 3.6 4.8 0.042 0.042 0.052 0.052 53 Straight744870
744877002SPEC
8 files 2.4 2.4 4.2 4.2 5.6 0.031 0.031 0.042 0.042 50 Straight744870
744874002SPEC
8 files 2.4 2.4 5.5 5.5 11.5 0.013 0.013 0.017 0.017 54 Straight
744873002SPEC
8 files 2.4 2.4 6 6 14 0.012 0.012 0.016 0.016 54 Straight
744870002SPEC
8 files 2.4 2.4 7.8 7.8 15 0.014 0.014 0.018 0.018 40 Crossed
744878003SPEC
8 files 3.3 3.3 3.3 3.3 4 0.052 0.052 0.064 0.064 49 Straight
744877003SPEC
8 files 3.3 3.3 3.7 3.7 5 0.04 0.04 0.052 0.052 46 Straight744870
744874003SPEC
8 files 3.3 3.3 4.91 4.91 8.9 0.017 0.017 0.021 0.021 45 Straight
744873003SPEC
8 files 3.3 3.3 5.14 5.14 11 0.017 0.017 0.022 0.022 41 Straight
744870003SPEC
8 files 3.3 3.3 7.1 7.1 12 0.016 0.016 0.021 0.021 30 Crossed
7448709033SPEC
8 files 3.3 3.3 3.7 3.7 15.5 0.017 0.017 0.02 0.02 35 Crossed
744878004SPEC
8 files 4.7 4.7 1.3 1.3 3 0.065 0.065 0.075 0.075 46 Straight744870
744877004SPEC
8 files 4.7 4.7 2.55 2.55 4 0.052 0.052 0.064 0.064 42 Straight744870
744874004SPEC
8 files 4.7 4.7 4.22 4.22 8 0.023 0.023 0.028 0.028 39 Straight744870
744871004SPEC
8 files 4.7 4.7 3 3 8 0.023 0.023 0.028 0.028 20 Crossed744870
744873004SPEC
8 files 4.7 4.7 4.87 4.87 10 0.019 0.019 0.024 0.024 32 Straight744870
744870004SPEC
8 files 4.7 4.7 3.6 3.6 10 0.025 0.025 0.03 0.03 34 Crossed744870
7448709047SPEC
8 files 4.7 4.7 3.6 3.6 13 0.019 0.019 0.023 0.023 30 Crossed
744878005SPEC
8 files 5.6 5.6 1.5 1.5 3 0.095 0.095 0.12 0.12 26 Straight
744877005SPEC
8 files 5.6 5.6 1.9 1.9 3.5 0.08 0.08 0.095 0.095 23 Straight
744878006SPEC
8 files 6.8 6.8 1.4 1.4 2.8 0.11 0.11 0.135 0.135 25 Straight
744877006SPEC
8 files 6.8 6.8 1.8 1.8 3.2 0.085 0.085 0.102 0.102 20 Straight
744874006SPEC
8 files 6.8 6.8 3.9 3.9 6.8 0.027 0.027 0.032 0.032 33 Straight
744871006SPEC
8 files 6.8 6.8 2.8 2.8 6.5 0.035 0.035 0.04 0.04 20 Crossed
744870006SPEC
8 files 6.8 6.8 3.2 3.2 8 0.027 0.027 0.035 0.035 18 Crossed
7448709068SPEC
8 files 6.8 6.8 3.3 3.3 11.5 0.026 0.026 0.031 0.031 23 Crossed
744878008SPEC
8 files 8.2 8.2 1.3 1.3 2.7 0.115 0.115 0.14 0.14 22 Straight
744877008SPEC
8 files 8.2 8.2 1.7 1.7 2.9 0.091 0.091 0.11 0.11 17 Straight
744878100SPEC
8 files 10 10 1 1 2 0.125 0.125 0.15 0.15 30 Straight744870
744877100SPEC
8 files 10 10 1.1 1.1 2.8 0.11 0.11 0.12 0.12 27 Straight744870
744874100SPEC
8 files 10 10 3.28 3.28 5.25 0.038 0.038 0.044 0.044 24 Straight744870
744871100SPEC
8 files 10 10 2 2 5 0.044 0.044 0.05 0.05 20 Crossed744870
744873100SPEC
8 files 10 10 4.2 4.2 7.5 0.031 0.031 0.042 0.042 20 Straight744870
744870100SPEC
8 files 10 10 2.7 2.7 7 0.038 0.038 0.044 0.044 18 Crossed744870
7448709100SPEC
8 files 10 10 3.2 3.2 8 0.033 0.033 0.04 0.04 20 Crossed744870
744873150SPEC
8 files 15 15 3.3 3.3 6.1 0.041 0.041 0.055 0.055 14 Straight
744878220SPEC
8 files 22 22 0.7 0.7 1.5 0.245 0.245 0.3 0.3 20 Straight
744877220SPEC
8 files 22 22 0.8 0.8 1.8 0.215 0.215 0.26 0.26 16 Straight744870
744874220SPEC
8 files 22 22 2.47 2.47 3.3 0.067 0.067 0.08 0.08 15.5 Straight744870
744871220SPEC
8 files 22 22 1.85 1.85 3 0.067 0.067 0.09 0.09 14 Crossed744870
744873220SPEC
8 files 22 22 2.79 2.79 5 0.058 0.058 0.07 0.07 11.5 Straight744870
744870220SPEC
8 files 22 22 2.45 2.45 5.2 0.062 0.062 0.08 0.08 10 Crossed744870
7448709220SPEC
8 files 22 22 3.5 3.5 5 0.064 0.064 0.08 0.08 10 Crossed744870
744877330SPEC
8 files 33 33 0.7 0.7 1.5 0.4 0.4 0.5 0.5 8 Straight
744871330SPEC
8 files 33 33 1.2 1.2 2.8 0.125 0.125 0.17 0.17 6 Crossed
744873330SPEC
8 files 33 33 2.25 2.25 3.9 0.087 0.087 0.105 0.105 8.9 Straight
7448709330SPEC
8 files 33 33 2 2 4.4 0.08 0.08 0.1 0.1 6 Crossed744870
744878470SPEC
8 files 47 47 0.9 0.9 1 0.6 0.6 0.75 0.75 8 Straight
744874470SPEC
8 files 47 47 1.8 1.8 2.75 0.13 0.13 0.15 0.15 11 Straight744870
744871470SPEC
8 files 47 47 1.1 1.1 2.4 0.145 0.145 0.18 0.18 5 Crossed744870
744873470SPEC
8 files 47 47 2.02 2.02 3.1 0.11 0.11 0.12 0.12 7.8 Straight744870
744870470SPEC
8 files 47 47 1.45 1.45 3.1 0.125 0.125 0.15 0.15 5 Crossed744870
7448709470SPEC
8 files 47 47 1.9 1.9 3.6 0.106 0.106 0.13 0.13 4 Crossed
744873680SPEC
8 files 68 68 1.66 1.66 2.8 0.163 0.163 0.18 0.18 5.5 Straight
744870680SPEC
8 files 68 68 1.35 1.35 3 0.17 0.17 0.215 0.215 3.7 Crossed
744878101SPEC
8 files 100 100 0.3 0.3 0.7 1.4 1.4 1.73 1.73 4 Straight
744877101SPEC
8 files 100 100 0.65 0.65 0.9 1.029 1.029 1.3 1.3 4 Straight
744874101SPEC
8 files 100 100 1.2 1.2 1.7 0.285 0.285 0.32 0.32 6 Straight744870
744871101SPEC
8 files 100 100 1.5 1.5 1.8 0.293 0.293 0.36 0.36 4 Crossed744870
744873101SPEC
8 files 100 100 1.38 1.38 2.2 0.235 0.235 0.255 0.255 4.4 Straight744870
744870101SPEC
8 files 100 100 1.4 1.4 2 0.23 0.23 0.3 0.3 4 Crossed744870
744870151SPEC
8 files 150 150 1 1 1.7 0.34 0.34 0.4 0.4 2.3 Crossed
744873221SPEC
8 files 220 220 0.91 0.91 1.6 0.54 0.54 0.58 0.58 2.8 Straight744870
744870221SPEC
8 files 220 220 0.9 0.9 1.4 0.53 0.53 0.65 0.65 2 Crossed744870
744870471SPEC
8 files 470 470 0.7 0.7 0.9 1 1 1.2 1.2 0.65 Crossed
Order Code Data­sheet
744878001SPEC
744874001SPEC
744873001SPEC
7448700015SPEC
744877001SPEC
7448709022SPEC
744878002SPEC
744877002SPEC
744874002SPEC
744873002SPEC
744870002SPEC
744878003SPEC
744877003SPEC
744874003SPEC
744873003SPEC
744870003SPEC
7448709033SPEC
744878004SPEC
744877004SPEC
744874004SPEC
744871004SPEC
744873004SPEC
744870004SPEC
7448709047SPEC
744878005SPEC
744877005SPEC
744878006SPEC
744877006SPEC
744874006SPEC
744871006SPEC
744870006SPEC
7448709068SPEC
744878008SPEC
744877008SPEC
744878100SPEC
744877100SPEC
744874100SPEC
744871100SPEC
744873100SPEC
744870100SPEC
7448709100SPEC
744873150SPEC
744878220SPEC
744877220SPEC
744874220SPEC
744871220SPEC
744873220SPEC
744870220SPEC
7448709220SPEC
744877330SPEC
744871330SPEC
744873330SPEC
7448709330SPEC
744878470SPEC
744874470SPEC
744871470SPEC
744873470SPEC
744870470SPEC
7448709470SPEC
744873680SPEC
744870680SPEC
744878101SPEC
744877101SPEC
744874101SPEC
744871101SPEC
744873101SPEC
744870101SPEC
744870151SPEC
744873221SPEC
744870221SPEC
744870471SPEC
Samples
Order Code Data­sheet DownloadsL1
(µH)
L2
(µH)
IR 1
(A)
IR 2
(A)
ISAT 1
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres 1
(MHz)
TypeDesign Kit Samples

Assortments

Articles from this product series can be found in the following assortments:

Videos