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

WE-SL2 SMT Common Mode Line Filter

WE-SL2 SMT Common Mode Line Filter
SizeDimen­sionsL
(mm)		W
(mm)		H
(mm)		Mount
WE-SL2
 9.2 6 5 SMT

LTSpice files

Characteristics

  • Common Mode Choke
  • Ring core with the core materials of NiZn and MnZn
  • Operating temperature: –40 °C to +125 °C
  • Operating voltage: 80 VDC (42 VAC)
  • Recommended solder profile: Reflow

Reference Designs

  • RD022 GB PoE+-Ethernet-USB“ adapter for industrial use with an EMC perspective

Applications

  • Current compensated choke for data and signal lines
  • Power supply systems
  • Signal and sensor lines
  • CAN
  • Suppression for common mode noise

Application Notes

Products

WE-SL2
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Order Code
Data­sheet
Simu­lation
Downloads
Status
Winding Style
Number of windings
L(µH)
Zmax(Ω)
IR(mA)
RDC max.(Ω)
VR(V)
Application
Design Kit
Filter Stick
Filter Bag
SamplesAvailability & Sample
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744226S
SPECsectional, 2, 10 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Number of windings2 
Inductance10 µH
Maximum Impedance920 Ω
Rated Current1600 mA
DC Resistance0.08 Ω
Rated Voltage80 V
–
Design Kit
744725
Filter Stick –
Filter Bag –
–Check availability
744228S
SPECsectional, 2, 25 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Number of windings2 
Inductance25 µH
Maximum Impedance2800 Ω
Rated Current1000 mA
DC Resistance0.12 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744225S
SPECsectional, 2, 40 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Number of windings2 
Inductance40 µH
Maximum Impedance3100 Ω
Rated Current900 mA
DC Resistance0.25 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744227S
SPECsectional, 2, 51 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylesectional 
Number of windings2 
Inductance51 µH
Maximum Impedance5500 Ω
Rated Current1000 mA
DC Resistance0.16 Ω
Rated Voltage80 V
ApplicationCAN 
Design Kit
744725
Filter Stick –
Filter Bag –
–Check availability
744226
SPECbifilar, 2, 10 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance10 µH
Maximum Impedance920 Ω
Rated Current1600 mA
DC Resistance0.08 Ω
Rated Voltage80 V
–
Design Kit
744725
Filter Stick –
Filter Bag –
–Check availability
744228
SPECbifilar, 2, 25 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance25 µH
Maximum Impedance2800 Ω
Rated Current1000 mA
DC Resistance0.12 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744225
SPECbifilar, 2, 40 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance40 µH
Maximum Impedance3100 Ω
Rated Current900 mA
DC Resistance0.25 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744227
SPECbifilar, 2, 51 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance51 µH
Maximum Impedance5500 Ω
Rated Current1000 mA
DC Resistance0.16 Ω
Rated Voltage80 V
ApplicationCAN 
Design Kit
744725
Filter Stick –
Filter Bag –
–Check availability
744224
SPECbifilar, 2, 250 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance250 µH
Maximum Impedance1800 Ω
Rated Current1200 mA
DC Resistance0.13 Ω
Rated Voltage80 V
–
Design Kit
744725
Filter Stick –
Filter Bag –
–Check availability
744223
SPECbifilar, 2, 500 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance500 µH
Maximum Impedance3300 Ω
Rated Current1000 mA
DC Resistance0.15 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744222
SPECbifilar, 2, 1000 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance1000 µH
Maximum Impedance6000 Ω
Rated Current800 mA
DC Resistance0.207 Ω
Rated Voltage80 V
–
Design Kit
744725
Filter Stick
8294851
Filter Bag
829485
–Check availability
744221
SPECbifilar, 2, 2000 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance2000 µH
Maximum Impedance9200 Ω
Rated Current600 mA
DC Resistance0.42 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744220
SPECbifilar, 2, 4700 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance4700 µH
Maximum Impedance20000 Ω
Rated Current500 mA
DC Resistance0.75 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744229
SPECbifilar, 2, 6500 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance6500 µH
Maximum Impedance18400 Ω
Rated Current400 mA
DC Resistance0.95 Ω
Rated Voltage80 V
–
Design Kit
744725
Filter Stick –
Filter Bag –
–Check availability
744220103
SPECbifilar, 2, 10000 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance10000 µH
Maximum Impedance25000 Ω
Rated Current350 mA
DC Resistance1.2 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–Check availability
744220203
SPECbifilar, 2, 20000 µH
Simu­lation
Availability
–
Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Winding Stylebifilar 
Number of windings2 
Inductance20000 µH
Maximum Impedance50000 Ω
Rated Current200 mA
DC Resistance2.6 Ω
Rated Voltage80 V
–
Design Kit –
Filter Stick –
Filter Bag –
–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
Filter Stick RS-485 Profibus EMC
Filter Bag RS-485 Profibus EMC

Videos

Würth Elektronik Webinar: EMI issues and EMC Certification

Videos

Würth Elektronik Webinar: EMC Filters – From component to design

Videos

Würth Elektronik Webinar: Extremely High Speed Data Line Chokes

Learn more