WE-MXGA SMT Power Inductor
SizeDimen­sionsL
(mm)
W
(mm)
H
(mm)
Mount
NEW5030
5.4 5.4 3.1 SMT
NEW4020
4.1 4.1 2.1 SMT

Characteristics

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

Applications

  • Powertrain converters
  • Body electronics & lighting
  • Infotainment systems
  • DC/DC-converter 48 V / 12 V
  • POL-converter
  • DC/DC converter for field programmable gate array
  • BMS (battery management system)

Products

All
5030
4020
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Data­sheet
Simu­lation
Downloads
Status
L(µH)
ISAT,10%(A)
ISAT,30%(A)
RDC typ.(mΩ)
RDC max.(mΩ)
fres(MHz)
IRP,40K(A)
Mount
Samples
78438440200016
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.16 µH
Saturation Current @ 10%12 A
Saturation Current @ 30%27.9 A
DC Resistance1.5 mΩ
DC Resistance1.7 mΩ
Self Resonant Frequency197 MHz
Performance Rated Current24.2 A
MountSMT 
78438450300022
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.22 µH
Saturation Current @ 10%11.8 A
Saturation Current @ 30%25.4 A
DC Resistance1.5 mΩ
DC Resistance1.7 mΩ
Self Resonant Frequency155 MHz
Performance Rated Current28.1 A
MountSMT 
78438440200030
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.3 µH
Saturation Current @ 10%8.4 A
Saturation Current @ 30%17.6 A
DC Resistance2 mΩ
DC Resistance2.3 mΩ
Self Resonant Frequency135 MHz
Performance Rated Current23.2 A
MountSMT 
78438440200040
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.4 µH
Saturation Current @ 10%7.3 A
Saturation Current @ 30%14.8 A
DC Resistance3.8 mΩ
DC Resistance4.4 mΩ
Self Resonant Frequency122 MHz
Performance Rated Current16.9 A
MountSMT 
78438450300047
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.47 µH
Saturation Current @ 10%9.4 A
Saturation Current @ 30%20 A
DC Resistance2.4 mΩ
DC Resistance2.8 mΩ
Self Resonant Frequency84 MHz
Performance Rated Current23 A
MountSMT 
78438450300060
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.6 µH
Saturation Current @ 10%9.5 A
Saturation Current @ 30%21.2 A
DC Resistance2.8 mΩ
DC Resistance3.2 mΩ
Self Resonant Frequency73 MHz
Performance Rated Current21.5 A
MountSMT 
78438440200065
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.65 µH
Saturation Current @ 10%6.2 A
Saturation Current @ 30%12.6 A
DC Resistance4.8 mΩ
DC Resistance5.5 mΩ
Self Resonant Frequency80 MHz
Performance Rated Current15.2 A
MountSMT 
78438450300082
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance0.82 µH
Saturation Current @ 10%8.1 A
Saturation Current @ 30%16.7 A
DC Resistance3.5 mΩ
DC Resistance4 mΩ
Self Resonant Frequency55 MHz
Performance Rated Current19 A
MountSMT 
7843844020010
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1 µH
Saturation Current @ 10%4.9 A
Saturation Current @ 30%9.8 A
DC Resistance6.9 mΩ
DC Resistance7.9 mΩ
Self Resonant Frequency59 MHz
Performance Rated Current12.1 A
MountSMT 
7843845030010
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1 µH
Saturation Current @ 10%7 A
Saturation Current @ 30%14.3 A
DC Resistance5.2 mΩ
DC Resistance5.8 mΩ
Self Resonant Frequency52 MHz
Performance Rated Current15.8 A
MountSMT 
7843844020012
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.2 µH
Saturation Current @ 10%4.3 A
Saturation Current @ 30%8.8 A
DC Resistance8.4 mΩ
DC Resistance9.8 mΩ
Self Resonant Frequency53 MHz
Performance Rated Current11 A
MountSMT 
7843845030012
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.2 µH
Saturation Current @ 10%6.8 A
Saturation Current @ 30%14.3 A
DC Resistance4.5 mΩ
DC Resistance5.2 mΩ
Self Resonant Frequency43 MHz
Performance Rated Current17.2 A
MountSMT 
7843844020015
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.5 µH
Saturation Current @ 10%4.1 A
Saturation Current @ 30%8.4 A
DC Resistance10 mΩ
DC Resistance11.5 mΩ
Self Resonant Frequency50 MHz
Performance Rated Current10.3 A
MountSMT 
7843845030015
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.5 µH
Saturation Current @ 10%6 A
Saturation Current @ 30%12.3 A
DC Resistance5.5 mΩ
DC Resistance6.3 mΩ
Self Resonant Frequency36 MHz
Performance Rated Current14.9 A
MountSMT 
7843844020018
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance1.8 µH
Saturation Current @ 10%3.6 A
Saturation Current @ 30%7.1 A
DC Resistance11.9 mΩ
DC Resistance13.6 mΩ
Self Resonant Frequency42 MHz
Performance Rated Current9.5 A
MountSMT 
7843844020022
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Saturation Current @ 10%2.9 A
Saturation Current @ 30%5.8 A
DC Resistance15.6 mΩ
DC Resistance17.9 mΩ
Self Resonant Frequency37 MHz
Performance Rated Current7.8 A
MountSMT 
7843845030022
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance2.2 µH
Saturation Current @ 10%5.2 A
Saturation Current @ 30%10.5 A
DC Resistance8.1 mΩ
DC Resistance9.3 mΩ
Self Resonant Frequency35 MHz
Performance Rated Current12.4 A
MountSMT 
7843844020033
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance3.3 µH
Saturation Current @ 10%2.6 A
Saturation Current @ 30%5.3 A
DC Resistance26.6 mΩ
DC Resistance30.6 mΩ
Self Resonant Frequency29 MHz
Performance Rated Current6.1 A
MountSMT 
7843845030033
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance3.3 µH
Saturation Current @ 10%4 A
Saturation Current @ 30%8.2 A
DC Resistance12.9 mΩ
DC Resistance14.8 mΩ
Self Resonant Frequency25 MHz
Performance Rated Current10 A
MountSMT 
7843844020047
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Saturation Current @ 10%2.8 A
Saturation Current @ 30%5.7 A
DC Resistance40.3 mΩ
DC Resistance46.4 mΩ
Self Resonant Frequency25 MHz
Performance Rated Current5.2 A
MountSMT 
7843845030047
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance4.7 µH
Saturation Current @ 10%3.7 A
Saturation Current @ 30%7.7 A
DC Resistance22.5 mΩ
DC Resistance24.5 mΩ
Self Resonant Frequency21 MHz
Performance Rated Current8.2 A
MountSMT 
7843845030056
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance5.6 µH
Saturation Current @ 10%3.3 A
Saturation Current @ 30%6.8 A
DC Resistance24.5 mΩ
DC Resistance27 mΩ
Self Resonant Frequency19 MHz
Performance Rated Current7.1 A
MountSMT 
7843845030068
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance6.8 µH
Saturation Current @ 10%3.2 A
Saturation Current @ 30%6.8 A
DC Resistance28.3 mΩ
DC Resistance31.7 mΩ
Self Resonant Frequency18 MHz
Performance Rated Current6.5 A
MountSMT 
7843845030082
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance8.2 µH
Saturation Current @ 10%2.6 A
Saturation Current @ 30%5.9 A
DC Resistance34 mΩ
DC Resistance39 mΩ
Self Resonant Frequency15 MHz
Performance Rated Current6.1 A
MountSMT 
7843845030100
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance10 µH
Saturation Current @ 10%2.5 A
Saturation Current @ 30%5.4 A
DC Resistance41.5 mΩ
DC Resistance47.7 mΩ
Self Resonant Frequency12 MHz
Performance Rated Current5.5 A
MountSMT 
7843845030120
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance12 µH
Saturation Current @ 10%2.1 A
Saturation Current @ 30%4.9 A
DC Resistance52.3 mΩ
DC Resistance57 mΩ
Self Resonant Frequency11 MHz
Performance Rated Current5 A
MountSMT 
7843845030150
SPEC
Simu­lation
Status Newi| Product is new in our portfolio and production is active. Expected lifetime: >10 years.
Inductance15 µH
Saturation Current @ 10%1.9 A
Saturation Current @ 30%4.3 A
DC Resistance64.5 mΩ
DC Resistance74.4 mΩ
Self Resonant Frequency10 MHz
Performance Rated Current4.5 A
MountSMT 

Innovative Power Inductor

Ultra Low Losses. WE-MXGA.

Innovative Power Inductor

Ultra Low Losses. WE-MXGA.

With the WE-MXGA Würth Elektronik offers the newest molded power inductor series for automotive applications. 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 DC-DC converters used in battery management systems (BMS) and infotainment or ADAS modules.

SMT Power Inductor in the fog

The innovative design in detail

Extremely High Power Density

Diagram about the losses of WE-MXGI

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

Diagram about the power losses of WE-MXGI

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