ComponentsPassive ComponentsEMC ComponentsCommon Mode Chokes for Extra-low Voltage and Data Lines

WE-UCF SMT Common Mode Line Filter

WE-UCF SMT Common Mode Line Filter
SizeDimen­sionsL
(mm)		W
(mm)		H
(mm)		Mount
WE-UCF
 16.6 12.5 9.3 SMT

LTSpice files

Characteristics

  • High inductance range
  • High current range
  • Small package
  • Low profile
  • Surface mount technology
  • Wide range of filtering spectrum
  • Climatic category 40/125/21
  • Flammability corresponding to UL 94 V-0

Applications

  • Filtering
  • DC power lines
  • Buck-/ Boost Converter filtering
  • Data lines with low bitrate
  • Heavily influenced lines

Products

WE-UCF
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Order Code
Data­sheet
Simu­lation
Downloads
Status
Winding Style
L(mH)
LS(nH)
IR(A)
RDC max.(Ω)
VR(V)
VT(V (AC))
Design Kit
SamplesAvailability & Sample
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744290130
SPECsectional, 0.013 mH, 110 nH
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance0.013 mH
Leakage Inductance110 nH
Rated Current10 A
DC Resistance0.0027 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit
744725
–Check availability
744290560
SPECsectional, 0.056 mH, 330 nH
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance0.056 mH
Leakage Inductance330 nH
Rated Current7 A
DC Resistance0.0047 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit –
–Check availability
744290121
SPECsectional, 0.12 mH, 680 nH
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance0.12 mH
Leakage Inductance680 nH
Rated Current5.5 A
DC Resistance0.0105 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit –
–Check availability
744290321
SPECsectional, 0.32 mH, 2200 nH
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance0.32 mH
Leakage Inductance2200 nH
Rated Current3.25 A
DC Resistance0.029 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit
744725
–Check availability
744290152
SPECsectional, 1.5 mH, 13000 nH
Simu­lation
Availability
–
Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance1.5 mH
Leakage Inductance13000 nH
Rated Current1.5 A
DC Resistance0.12 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit
744725
–Check availability
744290472
SPECsectional, 4.7 mH, 25000 nH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance4.7 mH
Leakage Inductance25000 nH
Rated Current0.75 A
DC Resistance0.52 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit –
–Check availability
744290103
SPECsectional, 10 mH, 83000 nH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance10 mH
Leakage Inductance83000 nH
Rated Current0.5 A
DC Resistance0.92 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit
744725
–Check availability
744290283
SPECsectional, 28 mH, 220000 nH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance28 mH
Leakage Inductance220000 nH
Rated Current0.3 A
DC Resistance2.8 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit –
–Check availability
744290473
SPECsectional, 47 mH, 460000 nH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance47 mH
Leakage Inductance460000 nH
Rated Current0.25 A
DC Resistance4 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit –
–Check availability
744290683
SPECsectional, 68 mH, 960000 nH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance68 mH
Leakage Inductance960000 nH
Rated Current0.2 A
DC Resistance5 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit –
–Check availability
744290104
SPECsectional, 100 mH, 780000 nH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Inductance100 mH
Leakage Inductance780000 nH
Rated Current0.15 A
DC Resistance8.5 Ω
Rated Voltage80 V
Insulation Test Voltage500 V (AC)
Design Kit
744725
–Check availability

Assortments

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

Design Kit SMT Common Mode Filters for Data Line Chokes

Videos

Würth Elektronik Webinar: EMC Filters – From component to design

Videos

Würth Elektronik Webinar: Extremely High Speed Data Line Chokes

Learn more