en

Cart

Your cart is empty.

WE-TDC SMT Shielded Coupled Inductor

Size Dimen­sionsL
(mm)
W
(mm)
H
(mm)
8018 8 8 1.8
8038 8 8 3.8

Characteristics

  • Core material: NiZn
  • Low profile
  • Magnetical shielded which results in a low leakage field
  • 8x8 mm case
  • Operating temperature range -40 up to 125°C
  • 1:1 transformer
  • Low self-losses
  • Higher Self Resonant Frequency
  • Low leakage inductance
  • Coupled inductor with two identical windings
  • Recommended solder profile: Reflow

Applications

  • Non-Isolated Flyback Converter
  • Buck or Boost with auxiliary winding
  • BUCK-BOOST, SEPIC, ZETA & CUK Converter
  • 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
8018
8038
Order Code Data­sheet Simu­lation DownloadsL1
(µH)
L2
(µH)
IR
(A)
IR 2
(A)
ISAT
(A)
RDC1 typ
(Ω)
RDC2 typ
(Ω)
RDC1 max
(Ω)
RDC2 max
(Ω)
fres 1
(MHz)
Design Kit Samples
744894300033SPEC
8 files 0.33 0.33 4 4 9 0.0111 0.0111 0.015 0.015 280744894
744894300068SPEC
8 files 0.68 0.68 3.3 3.3 6.5 0.0163 0.0163 0.021 0.021 190744894
74489430010SPEC
8 files 1 1 2.85 2.85 5.1 0.0222 0.0222 0.028 0.028 136744894
74489430022SPEC
8 files 2.2 2.2 1.9 1.9 3.5 0.0495 0.0495 0.058 0.058 85744894
74489430027SPEC
8 files 2.7 2.7 1.85 1.85 3 0.0695 0.0695 0.805 0.0805 65744894
74489430039SPEC
8 files 3.9 3.9 1.6 1.6 2.55 0.082 0.082 0.094 0.094 60744894
74489430056SPEC
8 files 5.6 5.6 1.45 1.45 2.2 0.114 0.114 0.131 0.131 50744894
74489430068SPEC
6 files 6.8 6.8 1.25 1.25 2 0.128 0.128 0.146 0.146 46744894
74489430100SPEC
8 files 10 10 1 1 1.65 0.19 0.19 0.215 0.215 35744894
74489430120SPEC
8 files 12 12 0.95 0.95 1.55 0.202 0.202 0.227 0.227 33744894
74489430150SPEC
8 files 15 15 0.85 0.85 1.25 0.275 0.275 0.308 0.295 29744894
74489430180SPEC
8 files 18 18 0.8 0.8 1.2 0.345 0.345 0.38 0.38 27744894
74489430220SPEC
6 files 22 22 0.7 0.7 1.1 0.435 0.435 0.48 0.48 17744894
744894400039SPEC
8 files 0.39 0.39 4.5 4.5 14 0.0116 0.0116 0.0145 0.0145 210744894
744894400082SPEC
8 files 0.82 0.82 3.7 3.7 9.6 0.0159 0.0159 0.02 0.02 140744894
74489440012SPEC
8 files 1.2 1.2 3.05 3.05 7.5 0.0202 0.0202 0.026 0.026 90744894
74489440018SPEC
8 files 1.8 1.8 2.85 2.85 5.8 0.0255 0.0255 0.031 0.031 60744894
74489440027SPEC
8 files 2.7 2.7 2.5 2.5 5.1 0.0345 0.0345 0.04 0.04 55
74489440036SPEC
8 files 3.6 3.6 2.3 2.3 4.6 0.047 0.047 0.053 0.053 45
74489440047SPEC
8 files 4.7 4.7 1.85 1.85 4.2 0.0545 0.0545 0.064 0.064 30744894
74489440068SPEC
6 files 6.8 6.8 1.45 1.45 3.2 0.088 0.088 0.1 0.1 25744894
74489440100SPEC
6 files 10 10 1.35 1.35 2.6 0.113 0.113 0.128 0.128 23744894
74489440120SPEC
8 files 12 12 1.3 1.3 2.3 0.117 0.117 0.132 0.132 20744894
74489440150SPEC
8 files 15 15 1.1 1.1 2.2 0.165 0.165 0.185 0.185 17744894
74489440180SPEC
8 files 18 18 1.05 1.05 1.9 0.179 0.179 0.201 0.201 15744894
74489440220SPEC
8 files 22 22 1 1 1.8 0.203 0.203 0.228 0.228 14744894
Order Code Data­sheet Simu­lation
744894300033SPEC
744894300068SPEC
74489430010SPEC
74489430022SPEC
74489430027SPEC
74489430039SPEC
74489430056SPEC
74489430068SPEC
74489430100SPEC
74489430120SPEC
74489430150SPEC
74489430180SPEC
74489430220SPEC
744894400039SPEC
744894400082SPEC
74489440012SPEC
74489440018SPEC
74489440027SPEC
74489440036SPEC
74489440047SPEC
74489440068SPEC
74489440100SPEC
74489440120SPEC
74489440150SPEC
74489440180SPEC
74489440220SPEC
Samples
Order Code Data­sheet Simu­lation DownloadsL1
(µH)
L2
(µH)
IR
(A)
IR 2
(A)
ISAT
(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

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