OverviewAll product unitsProduct unitPassive ComponentsProduct groupPower MagneticsProduct familyCoupled Power InductorsProduct seriesWE-DD SMT Shielded Coupled Inductor

WE-DD SMT Shielded Coupled Inductor

WE-DD SMT Shielded Coupled Inductor
Size Dimen­sionsL
(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
7345 crossed 7.3 7.3 4.8
7355 crossed 7.3 7.3 5.8

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
7345 crossed
7355 crossed
Order Code Data­sheet Simu­lation Downloads StatusL1
(µH)
L2
(µH)
IR
(A)
IR 2
(A)
ISAT
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres
(MHz)
TypeDesign Kit Samples
744878001SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 1.3 1.3 4.4 4.4 6.3 0.027 0.027 0.035 0.035 60 Straight744870
744874001SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 1.5 1.5 5.85 5.85 14 0.012 0.012 0.016 0.016 70 Straight
744873001SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 1.5 1.5 6.25 6.25 18 0.011 0.011 0.015 0.015 75 Straight
7448700015SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 1.5 1.5 8.6 8.6 17.5 0.012 0.012 0.016 0.016 60 Crossed
744877001SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 1.8 1.8 4.7 4.7 6.5 0.025 0.025 0.034 0.034 58 Straight744870
7448709022SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 2.2 2.2 4.1 4.1 19 0.015 0.015 0.017 0.017 45 Crossed
744878002SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 2.4 2.4 3.6 3.6 4.8 0.042 0.042 0.052 0.052 53 Straight744870
744877002SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 2.4 2.4 4.2 4.2 5.6 0.031 0.031 0.042 0.042 50 Straight744870
744874002SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 2.4 2.4 5.5 5.5 11.5 0.013 0.013 0.017 0.017 54 Straight
744873002SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 2.4 2.4 6 6 14 0.012 0.012 0.016 0.016 54 Straight
744870002SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 2.4 2.4 7.8 7.8 15 0.014 0.014 0.018 0.018 40 Crossed
744878003SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 3.3 3.3 3.3 3.3 4 0.052 0.052 0.064 0.064 49 Straight
744877003SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 3.3 3.3 3.7 3.7 5 0.04 0.04 0.052 0.052 46 Straight744870
744874003SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 3.3 3.3 4.91 4.91 8.9 0.017 0.017 0.021 0.021 45 Straight
744873003SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 3.3 3.3 5.14 5.14 11 0.017 0.017 0.022 0.022 41 Straight
744870003SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 3.3 3.3 7.1 7.1 12 0.016 0.016 0.021 0.021 30 Crossed
7448709033SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 3.3 3.3 3.7 3.7 15.5 0.017 0.017 0.02 0.02 35 Crossed
744878004SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 1.3 1.3 3 0.065 0.065 0.075 0.075 46 Straight744870
744877004SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 2.55 2.55 4 0.052 0.052 0.064 0.064 42 Straight744870
744874004SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 4.22 4.22 8 0.023 0.023 0.028 0.028 39 Straight744870
744871004SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 3 3 8 0.023 0.023 0.028 0.028 20 Crossed744870
744873004SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 4.87 4.87 10 0.019 0.019 0.024 0.024 32 Straight744870
744870004SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 3.6 3.6 10 0.025 0.025 0.03 0.03 34 Crossed744870
7448709047SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 4.7 4.7 3.6 3.6 13 0.019 0.019 0.023 0.023 30 Crossed
744878005SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 5.6 5.6 1.5 1.5 3 0.095 0.095 0.12 0.12 26 Straight
744877005SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 5.6 5.6 1.9 1.9 3.5 0.08 0.08 0.095 0.095 23 Straight
744878006SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 6.8 6.8 1.4 1.4 2.8 0.11 0.11 0.135 0.135 25 Straight
744877006SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 6.8 6.8 1.8 1.8 3.2 0.085 0.085 0.102 0.102 20 Straight
744874006SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 6.8 6.8 3.9 3.9 6.8 0.027 0.027 0.032 0.032 33 Straight
744871006SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 6.8 6.8 2.8 2.8 6.5 0.035 0.035 0.04 0.04 20 Crossed
744870006SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 6.8 6.8 3.2 3.2 8 0.027 0.027 0.035 0.035 18 Crossed
7448709068SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 6.8 6.8 3.3 3.3 11.5 0.026 0.026 0.031 0.031 23 Crossed
744878008SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 8.2 8.2 1.3 1.3 2.7 0.115 0.115 0.14 0.14 22 Straight
744877008SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 8.2 8.2 1.7 1.7 2.9 0.091 0.091 0.11 0.11 17 Straight
744878100SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 1 1 2 0.125 0.125 0.15 0.15 30 Straight744870
744877100SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 1.1 1.1 2.8 0.11 0.11 0.12 0.12 27 Straight744870
744874100SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 3.28 3.28 5.25 0.038 0.038 0.044 0.044 24 Straight744870
744871100SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 2 2 5 0.044 0.044 0.05 0.05 20 Crossed744870
744873100SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 4.2 4.2 7.5 0.031 0.031 0.042 0.042 20 Straight744870
744870100SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 2.7 2.7 7 0.038 0.038 0.044 0.044 18 Crossed744870
7448709100SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 10 10 3.2 3.2 8 0.033 0.033 0.04 0.04 20 Crossed744870
744873150SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 15 15 3.3 3.3 6.1 0.041 0.041 0.055 0.055 14 Straight
744878220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 0.7 0.7 1.5 0.245 0.245 0.3 0.3 20 Straight
744877220SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 0.8 0.8 1.8 0.215 0.215 0.26 0.26 16 Straight744870
744874220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 2.47 2.47 3.3 0.067 0.067 0.08 0.08 15.5 Straight744870
744871220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 1.85 1.85 3 0.067 0.067 0.09 0.09 14 Crossed744870
744873220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 2.79 2.79 5 0.058 0.058 0.07 0.07 11.5 Straight744870
744870220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 2.45 2.45 5.2 0.062 0.062 0.08 0.08 10 Crossed744870
7448709220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 22 22 3.5 3.5 5 0.064 0.064 0.08 0.08 10 Crossed744870
744877330SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 33 33 0.7 0.7 1.5 0.4 0.4 0.5 0.5 8 Straight
744871330SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 33 33 1.2 1.2 2.8 0.125 0.125 0.17 0.17 6 Crossed
744873330SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 33 33 2.25 2.25 3.9 0.087 0.087 0.105 0.105 8.9 Straight
7448709330SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 33 33 2 2 4.4 0.08 0.08 0.1 0.1 6 Crossed744870
744878470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 47 47 0.9 0.9 1 0.6 0.6 0.75 0.75 8 Straight
744874470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 47 47 1.8 1.8 2.75 0.13 0.13 0.15 0.15 11 Straight744870
744871470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 47 47 1.1 1.1 2.4 0.145 0.145 0.18 0.18 5 Crossed744870
744873470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 47 47 2.02 2.02 3.1 0.11 0.11 0.12 0.12 7.8 Straight744870
744870470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 47 47 1.45 1.45 3.1 0.125 0.125 0.15 0.15 5 Crossed744870
7448709470SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 47 47 1.9 1.9 3.6 0.106 0.106 0.13 0.13 4 Crossed
744873680SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 68 68 1.66 1.66 2.8 0.163 0.163 0.18 0.18 5.5 Straight
744870680SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 68 68 1.35 1.35 3 0.17 0.17 0.215 0.215 3.7 Crossed
744878101SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 100 100 0.3 0.3 0.7 1.4 1.4 1.73 1.73 4 Straight
744877101SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years. 100 100 0.65 0.65 0.9 1.029 1.029 1.3 1.3 4 Straight
744874101SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 100 100 1.2 1.2 1.7 0.285 0.285 0.32 0.32 6 Straight744870
744871101SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 100 100 1.5 1.5 1.8 0.293 0.293 0.36 0.36 4 Crossed744870
744873101SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 100 100 1.38 1.38 2.2 0.235 0.235 0.255 0.255 4.4 Straight744870
744870101SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 100 100 1.4 1.4 2 0.23 0.23 0.3 0.3 4 Crossed744870
744870151SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 150 150 1 1 1.7 0.34 0.34 0.4 0.4 2.3 Crossed
744873221SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 220 220 0.91 0.91 1.6 0.54 0.54 0.58 0.58 2.8 Straight744870
744870221SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 220 220 0.9 0.9 1.4 0.53 0.53 0.65 0.65 2 Crossed744870
744875221SPEC
3 files Active i| Production is active. Expected lifetime: >10 years. 220 220 0.46 0.46 0.58 1.94 1.94 2.32 2.32 4.1 Crossed
744879221SPEC
Active i| Production is active. Expected lifetime: >10 years. 220 220 0.44 0.44 0.7 1.94 1.94 2.3 2.3 3.2 Crossed
744870471SPEC
8 files Active i| Production is active. Expected lifetime: >10 years. 470 470 0.7 0.7 0.9 1 1 1.2 1.2 0.65 Crossed
Order Code Data­sheet Simu­lation
744878001SPEC
744874001SPEC
744873001SPEC
7448700015SPEC
744877001SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

7448709022SPEC
744878002SPEC
744877002SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874002SPEC
744873002SPEC
744870002SPEC
744878003SPEC
744877003SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874003SPEC
744873003SPEC
744870003SPEC
7448709033SPEC
744878004SPEC
744877004SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874004SPEC
744871004SPEC
744873004SPEC
744870004SPEC
7448709047SPEC
744878005SPEC
744877005SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744878006SPEC
744877006SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874006SPEC
744871006SPEC
744870006SPEC
7448709068SPEC
744878008SPEC
744877008SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744878100SPEC
744877100SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874100SPEC
744871100SPEC
744873100SPEC
744870100SPEC
7448709100SPEC
744873150SPEC
744878220SPEC
744877220SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874220SPEC
744871220SPEC
744873220SPEC
744870220SPEC
7448709220SPEC
744877330SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744871330SPEC
744873330SPEC
7448709330SPEC
744878470SPEC
744874470SPEC
744871470SPEC
744873470SPEC
744870470SPEC
7448709470SPEC
744873680SPEC
744870680SPEC
744878101SPEC
744877101SPEC

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

744874101SPEC
744871101SPEC
744873101SPEC
744870101SPEC
744870151SPEC
744873221SPEC
744870221SPEC
744875221SPEC
744879221SPEC
744870471SPEC
Samples
Order Code Data­sheet Simu­lation Downloads StatusL1
(µH)
L2
(µH)
IR
(A)
IR 2
(A)
ISAT
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres
(MHz)
TypeDesign Kit Samples

REDEXPERT loss simulation

Find the best inductor!

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Assortments

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

Videos

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