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WE-DD SMT Shielded Coupled Inductor

Size L
(mm)
W
(mm)
H
(mm)
7332 7.3 7.3 4
7345 7.3 7.3 4.8
1260 12.5 12.5 6.5
1280 12.5 12.5 8.5
1260 12.5 12.5 6.5
1280 12.5 12.5 8.5
1210 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
7345
1260
1280
1260
1280
1210
Order Code SPEC Downloads L1
(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)
Design Kit Samples
744878001
STE ALT EAG CAD LTS PSP IGS CAD 1.3 1.3 4.4 4.4 6.3 0.027 0.027 0.035 0.035 60 744870
744878002
STE ALT EAG CAD LTS PSP IGS CAD 2.4 2.4 3.6 3.6 4.8 0.042 0.042 0.052 0.052 53 744870
744878003
STE ALT EAG CAD LTS PSP IGS CAD 3.3 3.3 3.3 3.3 4 0.052 0.052 0.064 0.064 49
744878004
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 1.3 1.3 3 0.065 0.065 0.075 0.075 46 744870
744878005
STE ALT EAG CAD LTS PSP IGS CAD 5.6 5.6 1.5 1.5 3 0.095 0.095 0.12 0.12 26
744878006
STE ALT EAG CAD LTS PSP IGS CAD 6.8 6.8 1.4 1.4 2.8 0.11 0.11 0.135 0.135 25
744878008
STE ALT EAG CAD LTS PSP IGS CAD 8.2 8.2 1.3 1.3 2.7 0.115 0.115 0.14 0.14 22
744878100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 1 1 2 0.125 0.125 0.15 0.15 30 744870
744878220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 0.7 0.7 1.5 0.245 0.245 0.3 0.3 20
744878470
STE ALT EAG CAD LTS PSP IGS CAD 47 47 0.9 0.9 1 0.6 0.6 0.75 0.75 8
744878101
STE ALT EAG CAD LTS PSP IGS CAD 100 100 0.3 0.3 0.7 1.4 1.4 1.73 1.73 4
744877001
STE ALT EAG CAD LTS PSP IGS CAD 1.8 1.8 4.7 4.7 6.5 0.025 0.025 0.034 0.034 58 744870
744877002
STE ALT EAG CAD LTS PSP IGS CAD 2.4 2.4 4.2 4.2 5.6 0.031 0.031 0.042 0.042 50 744870
744877003
STE ALT EAG CAD LTS PSP IGS CAD 3.3 3.3 3.7 3.7 5 0.04 0.04 0.052 0.052 46 744870
744877004
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 2.55 2.55 4 0.052 0.052 0.064 0.064 42 744870
744877005
STE ALT EAG CAD LTS PSP IGS CAD 5.6 5.6 1.9 1.9 3.5 0.08 0.08 0.095 0.095 23
744877006
STE ALT EAG CAD LTS PSP IGS CAD 6.8 6.8 1.8 1.8 3.2 0.085 0.085 0.102 0.102 20
744877008
STE ALT EAG CAD LTS PSP IGS CAD 8.2 8.2 1.7 1.7 2.9 0.091 0.091 0.11 0.11 17
744877100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 1.1 1.1 2.8 0.11 0.11 0.12 0.12 27 744870
744877220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 0.8 0.8 1.8 0.215 0.215 0.26 0.26 16 744870
744877101
STE ALT EAG CAD LTS PSP IGS CAD 100 100 0.65 0.65 0.9 1.029 1.029 1.3 1.3 4
744877330
STE ALT EAG CAD LTS PSP IGS CAD 33 33 0.7 0.7 1.5 0.4 0.4 0.5 0.5 8
744874001
STE ALT EAG CAD LTS PSP IGS CAD 1.5 1.5 5.85 5.85 14 0.012 0.012 0.016 0.016 70
744874002
STE ALT EAG CAD LTS PSP IGS CAD 2.4 2.4 5.5 5.5 11.5 0.013 0.013 0.017 0.017 54
744874003
STE ALT EAG CAD LTS PSP IGS CAD 3.3 3.3 4.91 4.91 8.9 0.017 0.017 0.021 0.021 45
744874004
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 4.22 4.22 8 0.023 0.023 0.028 0.028 39 744870
744874006
STE ALT EAG CAD LTS PSP IGS CAD 6.8 6.8 3.9 3.9 6.8 0.027 0.027 0.032 0.032 33
744874100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 3.28 3.28 5.25 0.038 0.038 0.044 0.044 24 744870
744874220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 2.47 2.47 3.3 0.067 0.067 0.08 0.08 15.5 744870
744874470
STE ALT EAG CAD LTS PSP IGS CAD 47 47 1.8 1.8 2.75 0.13 0.13 0.15 0.15 11 744870
744874101
STE ALT EAG CAD LTS PSP IGS CAD 100 100 1.2 1.2 1.7 0.285 0.285 0.32 0.32 6 744870
744871004
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 3 3 8 0.023 0.023 0.028 0.028 20 744870
744871006
STE ALT EAG CAD LTS PSP IGS CAD 6.8 6.8 2.8 2.8 6.5 0.035 0.035 0.04 0.04 20
744871100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 2 2 5 0.044 0.044 0.05 0.05 20 744870
744871220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 1.85 1.85 3 0.067 0.067 0.09 0.09 14 744870
744871330
STE ALT EAG CAD LTS PSP IGS CAD 33 33 1.2 1.2 2.8 0.125 0.125 0.17 0.17 6
744871470
STE ALT EAG CAD LTS PSP IGS CAD 47 47 1.1 1.1 2.4 0.145 0.145 0.18 0.18 5 744870
744871101
STE ALT EAG CAD LTS PSP IGS CAD 100 100 1.5 1.5 1.8 0.293 0.293 0.36 0.36 4 744870
744873001
STE ALT EAG CAD LTS PSP IGS CAD 1.5 1.5 6.25 6.25 18 0.011 0.011 0.015 0.015 75
744873002
STE ALT EAG CAD LTS PSP IGS CAD 2.4 2.4 6 6 14 0.012 0.012 0.016 0.016 54
744873003
STE ALT EAG CAD LTS PSP IGS CAD 3.3 3.3 5.14 5.14 11 0.017 0.017 0.022 0.022 41
744873004
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 4.87 4.87 10 0.019 0.019 0.024 0.024 32 744870
744873100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 4.2 4.2 7.5 0.031 0.031 0.042 0.042 20 744870
744873150
STE ALT EAG CAD LTS PSP IGS CAD 15 15 3.3 3.3 6.1 0.041 0.041 0.055 0.055 14
744873220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 2.79 2.79 5 0.058 0.058 0.07 0.07 11.5 744870
744873330
STE ALT EAG CAD LTS PSP IGS CAD 33 33 2.25 2.25 3.9 0.087 0.087 0.105 0.105 8.9
744873470
STE ALT EAG CAD LTS PSP IGS CAD 47 47 2.02 2.02 3.1 0.11 0.11 0.12 0.12 7.8 744870
744873680
STE ALT EAG CAD LTS PSP IGS CAD 68 68 1.66 1.66 2.8 0.163 0.163 0.18 0.18 5.5
744873101
STE ALT EAG CAD LTS PSP IGS CAD 100 100 1.38 1.38 2.2 0.235 0.235 0.255 0.255 4.4 744870
744873221
STE ALT EAG CAD LTS PSP IGS CAD 220 220 0.91 0.91 1.6 0.54 0.54 0.58 0.58 2.8 744870
7448700015
STE ALT EAG CAD LTS PSP IGS CAD 1.5 1.5 8.6 8.6 17.5 0.012 0.012 0.016 0.016 60
744870002
STE ALT EAG CAD LTS PSP IGS CAD 2.4 2.4 7.8 7.8 15 0.014 0.014 0.018 0.018 40
744870003
STE ALT EAG CAD LTS PSP IGS CAD 3.3 3.3 7.1 7.1 12 0.016 0.016 0.021 0.021 30
744870004
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 3.6 3.6 10 0.025 0.025 0.03 0.03 34 744870
744870006
STE ALT EAG CAD LTS PSP IGS CAD 6.8 6.8 3.2 3.2 8 0.027 0.027 0.035 0.035 18
744870100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 2.7 2.7 7 0.038 0.038 0.044 0.044 18 744870
744870220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 2.45 2.45 5.2 0.062 0.062 0.08 0.08 10 744870
744870470
STE ALT EAG CAD LTS PSP IGS CAD 47 47 1.45 1.45 3.1 0.125 0.125 0.15 0.15 5 744870
744870680
STE ALT EAG CAD LTS PSP IGS CAD 68 68 1.35 1.35 3 0.17 0.17 0.215 0.215 3.7
744870101
STE ALT EAG CAD LTS PSP IGS CAD 100 100 1.4 1.4 2 0.23 0.23 0.3 0.3 4 744870
744870151
STE ALT EAG CAD LTS PSP IGS CAD 150 150 1 1 1.7 0.34 0.34 0.4 0.4 2.3
744870221
STE ALT EAG CAD LTS PSP IGS CAD 220 220 0.9 0.9 1.4 0.53 0.53 0.65 0.65 2 744870
744870471
STE ALT EAG CAD LTS PSP IGS CAD 470 470 0.7 0.7 0.9 1 1 1.2 1.2 0.65
7448709022
STE ALT EAG CAD LTS PSP IGS CAD 2.2 2.2 4.1 4.1 19 0.015 0.015 0.017 0.017 45
7448709033
STE ALT EAG CAD LTS PSP IGS CAD 3.3 3.3 3.7 3.7 15.5 0.017 0.017 0.02 0.02 35
7448709047
STE ALT EAG CAD LTS PSP IGS CAD 4.7 4.7 3.6 3.6 13 0.019 0.019 0.023 0.023 30
7448709068
STE ALT EAG CAD LTS PSP IGS CAD 6.8 6.8 3.3 3.3 11.5 0.026 0.026 0.031 0.031 23
7448709100
STE ALT EAG CAD LTS PSP IGS CAD 10 10 3.2 3.2 8 0.033 0.033 0.04 0.04 20 744870
7448709220
STE ALT EAG CAD LTS PSP IGS CAD 22 22 3.5 3.5 5 0.064 0.064 0.08 0.08 10 744870
7448709330
STE ALT EAG CAD LTS PSP IGS CAD 33 33 2 2 4.4 0.08 0.08 0.1 0.1 6 744870
7448709470
STE ALT EAG CAD LTS PSP IGS CAD 47 47 1.9 1.9 3.6 0.106 0.106 0.13 0.13 4
Order Code SPEC
744878001
744878002
744878003
744878004
744878005
744878006
744878008
744878100
744878220
744878470
744878101
744877001
744877002
744877003
744877004
744877005
744877006
744877008
744877100
744877220
744877101
744877330
744874001
744874002
744874003
744874004
744874006
744874100
744874220
744874470
744874101
744871004
744871006
744871100
744871220
744871330
744871470
744871101
744873001
744873002
744873003
744873004
744873100
744873150
744873220
744873330
744873470
744873680
744873101
744873221
7448700015
744870002
744870003
744870004
744870006
744870100
744870220
744870470
744870680
744870101
744870151
744870221
744870471
7448709022
7448709033
7448709047
7448709068
7448709100
7448709220
7448709330
7448709470
Samples
Order Code SPEC Downloads L1
(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)
Design Kit Samples

Assortments

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

Videos