WE-MCRI Magnetically shielded. Better Leakage Inductance (Lk) and Rated Current (Ir) than comparable components.
SizeDimen­sionsL
(mm)
W
(mm)
H
(mm)
1040
11 10 4
1090
11 10 9

Characteristics

  • Composite core material allows high saturation current and compact design
  • Better Leakage Inductance (Lk) and Rated Current (Ir) than comparable components
  • Magnetically shielded
  • 1:1 Transformer
  • Operation temperature: -40°C to +125°C

Applications

  • Isolated converter application (e.g. Flyback converter)
  • Buck, Boost, Sepic, Zeta, CUK Converter
  • Switching regulator with second, unregulated output voltage

Products

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1040
1090
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Order Code
Data­sheet
Simu­lation
Downloads
Status
L1(µH)
L2(µH)
n
IR(A)
IR 2(A)
ISAT1(A)
ISAT2(A)
RDC1 typ(mΩ)
RDC2 typ(mΩ)
SamplesAvailability & Sample
7448990010
SPEC1 µH, 1 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 11 µH
Inductance 21 µH
Turns Ratio1:1 
Rated Current17 A
Rated Current 217 A
Saturation Current 143.5 A
Saturation Current 243.5 A
DC Resistance 14.5 mΩ
DC Resistance 24.5 mΩ
Check availability
7448991010
SPEC1 µH, 1 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 11 µH
Inductance 21 µH
Turns Ratio1:1 
Rated Current12 A
Rated Current 212 A
Saturation Current 130.2 A
Saturation Current 230.2 A
DC Resistance 16.3 mΩ
DC Resistance 26.3 mΩ
Check availability
7448990015
SPEC1.5 µH, 1.5 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 11.5 µH
Inductance 21.5 µH
Turns Ratio1:1 
Rated Current12.5 A
Rated Current 212.5 A
Saturation Current 134 A
Saturation Current 234 A
DC Resistance 18.8 mΩ
DC Resistance 28.8 mΩ
Check availability
7448991015
SPEC1.5 µH, 1.5 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 11.5 µH
Inductance 21.5 µH
Turns Ratio1:1 
Rated Current11.1 A
Rated Current 211.1 A
Saturation Current 128.1 A
Saturation Current 228.1 A
DC Resistance 18.6 mΩ
DC Resistance 28.6 mΩ
Check availability
7448990022
SPEC2.2 µH, 2.2 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 12.2 µH
Inductance 22.2 µH
Turns Ratio1:1 
Rated Current11.5 A
Rated Current 211.5 A
Saturation Current 129.5 A
Saturation Current 229.5 A
DC Resistance 110.5 mΩ
DC Resistance 210.5 mΩ
Check availability
7448991022
SPEC2.2 µH, 2.2 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 12.2 µH
Inductance 22.2 µH
Turns Ratio1:1 
Rated Current8.2 A
Rated Current 28.2 A
Saturation Current 120.6 A
Saturation Current 220.6 A
DC Resistance 114 mΩ
DC Resistance 214 mΩ
Check availability
7448991027
SPEC2.7 µH, 2.7 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 12.7 µH
Inductance 22.7 µH
Turns Ratio1:1 
Rated Current7.4 A
Rated Current 27.4 A
Saturation Current 116.5 A
Saturation Current 216.5 A
DC Resistance 116.3 mΩ
DC Resistance 216.3 mΩ
Check availability
7448990033
SPEC3.3 µH, 3.3 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 13.3 µH
Inductance 23.3 µH
Turns Ratio1:1 
Rated Current7.5 A
Rated Current 27.5 A
Saturation Current 128.2 A
Saturation Current 228.2 A
DC Resistance 123.5 mΩ
DC Resistance 223.5 mΩ
Check availability
7448991033
SPEC3.3 µH, 3.3 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 13.3 µH
Inductance 23.3 µH
Turns Ratio1:1 
Rated Current6.8 A
Rated Current 26.8 A
Saturation Current 114.3 A
Saturation Current 214.3 A
DC Resistance 120.7 mΩ
DC Resistance 220.7 mΩ
Check availability
7448990047
SPEC4.7 µH, 4.7 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 14.7 µH
Inductance 24.7 µH
Turns Ratio1:1 
Rated Current5.9 A
Rated Current 25.9 A
Saturation Current 124.2 A
Saturation Current 224.2 A
DC Resistance 136 mΩ
DC Resistance 236 mΩ
Check availability
7448991047
SPEC4.7 µH, 4.7 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 14.7 µH
Inductance 24.7 µH
Turns Ratio1:1 
Rated Current6.2 A
Rated Current 26.2 A
Saturation Current 113.8 A
Saturation Current 213.8 A
DC Resistance 124.4 mΩ
DC Resistance 224.4 mΩ
Check availability
7448990068
SPEC6.8 µH, 6.8 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 16.8 µH
Inductance 26.8 µH
Turns Ratio1:1 
Rated Current5 A
Rated Current 25 A
Saturation Current 121.2 A
Saturation Current 221.2 A
DC Resistance 146 mΩ
DC Resistance 246 mΩ
Check availability
7448991068
SPEC6.8 µH, 6.8 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 16.8 µH
Inductance 26.8 µH
Turns Ratio1:1 
Rated Current5 A
Rated Current 25 A
Saturation Current 112 A
Saturation Current 212 A
DC Resistance 138 mΩ
DC Resistance 238 mΩ
Check availability
7448990082
SPEC8.2 µH, 8.2 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 18.2 µH
Inductance 28.2 µH
Turns Ratio1:1 
Rated Current4.8 A
Rated Current 24.8 A
Saturation Current 118.5 A
Saturation Current 218.5 A
DC Resistance 156 mΩ
DC Resistance 256 mΩ
Check availability
7448991082
SPEC8.2 µH, 8.2 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 18.2 µH
Inductance 28.2 µH
Turns Ratio1:1 
Rated Current4.7 A
Rated Current 24.7 A
Saturation Current 111.3 A
Saturation Current 211.3 A
DC Resistance 141.2 mΩ
DC Resistance 241.2 mΩ
Check availability
7448990100
SPEC10 µH, 10 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 110 µH
Inductance 210 µH
Turns Ratio1:1 
Rated Current4.5 A
Rated Current 24.5 A
Saturation Current 117 A
Saturation Current 217 A
DC Resistance 162 mΩ
DC Resistance 262 mΩ
Check availability
7448991100
SPEC10 µH, 10 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 110 µH
Inductance 210 µH
Turns Ratio1:1 
Rated Current3.7 A
Rated Current 23.7 A
Saturation Current 19.8 A
Saturation Current 29.8 A
DC Resistance 155 mΩ
DC Resistance 255 mΩ
Check availability
7448990150
SPEC15 µH, 15 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 115 µH
Inductance 215 µH
Turns Ratio1:1 
Rated Current3.9 A
Rated Current 23.9 A
Saturation Current 19.5 A
Saturation Current 29.5 A
DC Resistance 178 mΩ
DC Resistance 278 mΩ
Check availability
7448991150
SPEC15 µH, 15 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 115 µH
Inductance 215 µH
Turns Ratio1:1 
Rated Current3.25 A
Rated Current 23.25 A
Saturation Current 17.8 A
Saturation Current 27.8 A
DC Resistance 183 mΩ
DC Resistance 283 mΩ
Check availability
7448990220
SPEC22 µH, 22 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 122 µH
Inductance 222 µH
Turns Ratio1:1 
Rated Current3.4 A
Rated Current 23.4 A
Saturation Current 18.1 A
Saturation Current 28.1 A
DC Resistance 195 mΩ
DC Resistance 295 mΩ
Check availability
7448991220
SPEC22 µH, 22 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 122 µH
Inductance 222 µH
Turns Ratio1:1 
Rated Current2.2 A
Rated Current 22.2 A
Saturation Current 16.1 A
Saturation Current 26.1 A
DC Resistance 1144 mΩ
DC Resistance 2144 mΩ
Check availability
7448990330
SPEC33 µH, 33 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 133 µH
Inductance 233 µH
Turns Ratio1:1 
Rated Current2.9 A
Rated Current 22.9 A
Saturation Current 16.8 A
Saturation Current 26.8 A
DC Resistance 1130 mΩ
DC Resistance 2130 mΩ
Check availability
7448991330
SPEC33 µH, 33 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 133 µH
Inductance 233 µH
Turns Ratio1:1 
Rated Current2.05 A
Rated Current 22.05 A
Saturation Current 15 A
Saturation Current 25 A
DC Resistance 1207 mΩ
DC Resistance 2207 mΩ
Check availability
7448990470
SPEC47 µH, 47 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 147 µH
Inductance 247 µH
Turns Ratio1:1 
Rated Current2.3 A
Rated Current 22.3 A
Saturation Current 16 A
Saturation Current 26 A
DC Resistance 1216 mΩ
DC Resistance 2216 mΩ
Check availability
7448991470
SPEC47 µH, 47 µH, 1:1
Simu­lation
Availability
Status Activei| Production is active. Expected lifetime: >10 years.
Inductance 147 µH
Inductance 247 µH
Turns Ratio1:1 
Rated Current1.5 A
Rated Current 21.5 A
Saturation Current 14.4 A
Saturation Current 24.4 A
DC Resistance 1312 mΩ
DC Resistance 2312 mΩ
Check availability

An Excellent Duet!

Coupled Inductors

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. The WE-MCRI features a soft saturation behavior with its crystalline core structure and distributed air gap.

The coupled inductor range includes high voltage isolation versions up to 2 kV, low profile types and versions with various turns ratios.

alttext yt_img_for_code_MVDAugIsUJ0.jpg 1733995093

The innovative design in detail

Der verteilte Luftspalt innerhalb der kristallinen Kernstruktur

The distributed air gap within the crystalline structure

WE-MCRI component with a High coupling coefficient

High coupling coefficient

WE-MCRI Soft saturation

Soft saturation

Overview of typical applications

Schematic WE-MCRI Multi Output Buck
Multi Output Buck
  • Isolation: Isolated/Non-isolated
  • Multiple Output: Yes
  • Output: Non-inverted
  • Complexity: Low
  • Cost: Low
  • Product Series Recommendation: WE-DPC HVWE-TDC HVWE-MTCI
Schmatic Flyback WE-MCRI
Flyback
  • Isolation: Isolated/Non-isolated
  • Multiple Output: Yes
  • Output: Non-inverted
  • Complexity: Low
  • Cost: Low
  • Product Series Recommendation: WE-TDC HVWE-MTCI
Schematic SEPIC WE-MCRI
SEPIC
  • Isolation: Isolated/Non-isolated
  • Multiple Output: Yes
  • Output: Non-inverted
  • Complexity: Low
  • Cost: Low
  • Product Series Recommendation: WE-DDWE-CFWIWE-MTCI, WE-MCRI
Schematic ZETA WE-MCRI
ZETA
  • Isolation: Isolated/Non-isolated
  • Multiple Output: Yes
  • Output: Non-inverted
  • Complexity: Low
  • Cost: Low
  • Product Series Recommendation: WE-DPCWE-CFWIWE-DCT
Schematic Cuk WE-MCRI
Cuk
  • Isolation: Isolated/Non-isolated
  • Multiple Output: Yes
  • Output: Non-inverted
  • Complexity: Low
  • Cost: Low
  • Product Series Recommendation: WE-CFWIWE-DD, WE-MCRI
Schematic High Step-up Boost WE-MCRI
High Step-up Boost

Isolation: Nicht isoliert

Mehrere Ausgänge: Nein

Ausgang: Non-inverted

Komplexität: Moderat

Kosten: Niedrig

Empfohlene Produktserien: WE-EHPIWE-MTCI

Simulate now in REDEXPERT

The online platform for easier component selection

Simulate now in REDEXPERT

The online platform for easier component selection

Important features:

  • The world’s most accurate AC loss model Inductor simulation and selection for DC/DC converters
  • Ability to compare inductance/current and temperature rise/DC current using interactive measurement curves
  • Filter settings for over 20 electrical and mechanical parameters
  • Online platform based on measured values
  • Order free samples directly
  • Direct access to product datasheets
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Demo Board

Dual-Output Isolated Buck Converter

Demo Board

Dual-Output Isolated Buck Converter

With the High Voltage Coupled Inductor WE-CPIB HV, an additional isolated output in a buck converter can be achieved, with minimal solution size and design effort.

Demo Module Features:

  • USB powered
  • Single and Dual-output buck operation
  • Output LED indicator
Demoboard of WE-MCRI

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.

Schematic representations of the REDEXPERT loss simulator