WE-MXGI SMT Power Inductor
SizeDimen­sionsL
(mm)
W
(mm)
H
(mm)
Mount
EXT.4020
4.1 4.1 2.1 SMD/SMT Soldering
EXT.5030
5.4 5.4 3.1 SMD/SMT Soldering

Characteristics

  • Innovative iron alloy material
  • Ultra low RDC and AC losses
  • High efficiency and current capability
  • Optimized for high switching frequencies beyond 1 MHz
  • Compact design
  • Magnetically shielded construction
  • Operating temperature: -40 °C to 125°C

Applications

  • DC/DC-converter for high current power supplies
  • DC/DC-converter for Field Programmable Gate Array (FPGA)
  • POL-converters
  • Portable power like PDA, digital camera
  • Mainboards/graphic cards
  • Battery powered devices
  • Wireless communication devices
  • Power supplies for smartphones, tablet PCs and other mobile devices
  • High frequency applications (GaN and SiC)

Products

All
4020
5030
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Order Code
Data­sheet
Simu­lation
Downloads
Status
L(µH)
IRP,40K(A)
ISAT,30%(A)
RDC typ.(mΩ)
fres(MHz)
VOP(V)
Mount
Design Kit
Samples
74438440200016
0.16 µH, 24.2 A, 27.9 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance0.16 µH
Performance Rated Current24.2 A
Saturation Current @ 30%27.9 A
DC Resistance1.5 mΩ
Self Resonant Frequency197 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438450300022
0.22 µH, 28.1 A, 25.4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance0.22 µH
Performance Rated Current28.1 A
Saturation Current @ 30%25.4 A
DC Resistance1.5 mΩ
Self Resonant Frequency155 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438440200030
0.3 µH, 23.2 A, 17.6 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.3 µH
Performance Rated Current23.2 A
Saturation Current @ 30%17.6 A
DC Resistance2 mΩ
Self Resonant Frequency135 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438440200040
0.4 µH, 16.9 A, 14.8 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.4 µH
Performance Rated Current16.9 A
Saturation Current @ 30%14.8 A
DC Resistance3.8 mΩ
Self Resonant Frequency122 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438450300047
0.47 µH, 23 A, 20 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.47 µH
Performance Rated Current23 A
Saturation Current @ 30%20 A
DC Resistance2.4 mΩ
Self Resonant Frequency84 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438450300060
0.6 µH, 21.5 A, 21.2 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.6 µH
Performance Rated Current21.5 A
Saturation Current @ 30%21.2 A
DC Resistance2.8 mΩ
Self Resonant Frequency73 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438440200065
0.65 µH, 15.2 A, 12.6 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.65 µH
Performance Rated Current15.2 A
Saturation Current @ 30%12.6 A
DC Resistance4.8 mΩ
Self Resonant Frequency80 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
74438450300082
0.82 µH, 19 A, 16.7 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.82 µH
Performance Rated Current19 A
Saturation Current @ 30%16.7 A
DC Resistance3.5 mΩ
Self Resonant Frequency55 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020010
1 µH, 12.1 A, 9.8 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance1 µH
Performance Rated Current12.1 A
Saturation Current @ 30%9.8 A
DC Resistance6.9 mΩ
Self Resonant Frequency59 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030010
1 µH, 15.8 A, 14.3 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1 µH
Performance Rated Current15.8 A
Saturation Current @ 30%14.3 A
DC Resistance5.2 mΩ
Self Resonant Frequency52 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020012
1.2 µH, 11 A, 8.8 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.2 µH
Performance Rated Current11 A
Saturation Current @ 30%8.8 A
DC Resistance8.4 mΩ
Self Resonant Frequency53 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030012
1.2 µH, 17.2 A, 14.3 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.2 µH
Performance Rated Current17.2 A
Saturation Current @ 30%14.3 A
DC Resistance4.5 mΩ
Self Resonant Frequency43 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020015
1.5 µH, 10.3 A, 8.4 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.5 µH
Performance Rated Current10.3 A
Saturation Current @ 30%8.4 A
DC Resistance10 mΩ
Self Resonant Frequency50 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030015
1.5 µH, 14.9 A, 12.3 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.5 µH
Performance Rated Current14.9 A
Saturation Current @ 30%12.3 A
DC Resistance5.5 mΩ
Self Resonant Frequency36 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020018
1.8 µH, 9.5 A, 7.1 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.8 µH
Performance Rated Current9.5 A
Saturation Current @ 30%7.1 A
DC Resistance11.9 mΩ
Self Resonant Frequency42 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030022
2.2 µH, 12.4 A, 10.5 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Performance Rated Current12.4 A
Saturation Current @ 30%10.5 A
DC Resistance8.1 mΩ
Self Resonant Frequency35 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020022
2.2 µH, 7.8 A, 5.8 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Performance Rated Current7.8 A
Saturation Current @ 30%5.8 A
DC Resistance15.6 mΩ
Self Resonant Frequency37 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030033
3.3 µH, 10 A, 8.2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance3.3 µH
Performance Rated Current10 A
Saturation Current @ 30%8.2 A
DC Resistance12.9 mΩ
Self Resonant Frequency25 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020033
3.3 µH, 6.1 A, 5.3 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance3.3 µH
Performance Rated Current6.1 A
Saturation Current @ 30%5.3 A
DC Resistance26.6 mΩ
Self Resonant Frequency29 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443844020047
4.7 µH, 5.2 A, 5.7 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Performance Rated Current5.2 A
Saturation Current @ 30%5.7 A
DC Resistance40.3 mΩ
Self Resonant Frequency25 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030047
4.7 µH, 8.2 A, 7.7 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Performance Rated Current8.2 A
Saturation Current @ 30%7.7 A
DC Resistance22.5 mΩ
Self Resonant Frequency21 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030056
5.6 µH, 7.1 A, 6.8 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance5.6 µH
Performance Rated Current7.1 A
Saturation Current @ 30%6.8 A
DC Resistance24.5 mΩ
Self Resonant Frequency19 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030068
6.8 µH, 6.5 A, 6.8 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance6.8 µH
Performance Rated Current6.5 A
Saturation Current @ 30%6.8 A
DC Resistance28.3 mΩ
Self Resonant Frequency18 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030082
8.2 µH, 6.1 A, 5.9 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance8.2 µH
Performance Rated Current6.1 A
Saturation Current @ 30%5.9 A
DC Resistance34 mΩ
Self Resonant Frequency15 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030100
10 µH, 5.5 A, 5.4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance10 µH
Performance Rated Current5.5 A
Saturation Current @ 30%5.4 A
DC Resistance41.5 mΩ
Self Resonant Frequency12 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030120
12 µH, 5 A, 4.9 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance12 µH
Performance Rated Current5 A
Saturation Current @ 30%4.9 A
DC Resistance52.3 mΩ
Self Resonant Frequency11 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit
7443845030150
15 µH, 4.5 A, 4.3 A
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance15 µH
Performance Rated Current4.5 A
Saturation Current @ 30%4.3 A
DC Resistance64.5 mΩ
Self Resonant Frequency10 MHz
Operating Voltage80 V
MountSMD/SMT Soldering 
Design Kit

Innovative Power Inductor

Ultra Low Losses. WE-MXGI.

Innovative Power Inductor

Ultra Low Losses. WE-MXGI.

With the WE-MXGI Würth Elektronik offers the newest molded power inductor series. It combines an innovative iron alloy material with an optimized wire geometry for lowest RDC and AC losses. This leads to high efficiency and current capability in a compact design. It is therefore ideal for high frequency DC/DC converters utilizing the latest GaN and SiC transistor technologies.

SMT Power Inductor in the fog

The innovative design in detail

Extremely High Power Density

Diagram about the losses of WE-MXGA

Thanks to the innovative core material and the unique wire geometry, lower RDC values can be achieved.

Diagram about the power losses of WE-MXGA

In combination with the lower AC losses, the overall losses of your switching regulator can be reduced significantly.

REDEXPERT loss simulation

Find the best inductor!

REDEXPERT loss simulation

Find the best inductor!

REDEXPERT has the world’s most accurate AC loss model, which even includes the DC-bias current. With dedicated DC-DC topologies or the generic loss simulator, you can accurately determine the AC and DC losses for your converter. The model includes the core material, shape and winding structure of the inductor. REDEXPERT recommends suitable inductors and allows you to add more filters to find the best inductor for your application.

Different diagrams from Redexpert summarised in a banner

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