WE-SL2 SMT Common Mode Line Filter | Passive Components | Würth Elektronik Product Catalog

OverviewAll product units Product unitPassive Components Product groupEMC Components Product familyCommon Mode Chokes for Extra-low Voltage and Data Lines Product seriesWE-SL2 SMT Common Mode Line Filter

WE-SL2 SMT Common Mode Line Filter

Size	Dimensions	L (mm)	W (mm)	H (mm)	Mount
WE-SL2		9.2	6	5	SMT

LTSpice files

LT
LTSpice_WE-SL2 (rev22a).zip
|
5.2 KB

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

ANP083 Adapter PCB for filtering electromagnetic interference on an RS-485 interface
PDF

Products

WE-SL2

Order Code	Datasheet	Simulation	Downloads	Status	Winding Style	Number of windings	L (µH)	Z_max (Ω)	I_R (mA)	R_{DC max.} (Ω)	V_R (V)	Application	Design Kit	Filter Stick	Filter Bag	Samples
744226	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	10	920	1600	0.08	80	–	744725	–	–
744228	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	25	2800	1000	0.12	80	–	–	–	–
744225	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	40	3100	900	0.25	80	–	–	–	–
744227	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	51	5500	1000	0.16	80	CAN	744725	–	–
744224	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	250	1800	1200	0.13	80	–	744725	–	–
744223	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	500	3300	1000	0.15	80	–	–	–	–
744222	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	1000	6000	800	0.207	80	–	744725	8294851	829485
744221	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	2000	9200	600	0.42	80	–	–	–	–
744220	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	4700	20000	500	0.75	80	–	–	–	–
744229	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	6500	18400	400	0.95	80	–	744725	–	–
744220103	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	10000	25000	350	1.2	80	–	–	–	–
744220203	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	bifilar	2	20000	50000	200	2.6	80	–	–	–	–
744226S	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	sectional	2	10	920	1600	0.08	80	–	744725	–	–
744228S	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	sectional	2	25	2800	1000	0.12	80	–	–	–	–
744225S	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	sectional	2	40	3100	900	0.25	80	–	–	–	–
744227S	SPEC		7 files EDA models: Components ZIP ALT WE-SL2 (rev22a).IntLib \| 117.5 KB ZUK Cadstar_WE-SL2 (rev20a).zip \| 5.9 KB CDS Cadence_WE-SL2 (rev18a).zip \| 242 KB EAG Eagle_WE-SL2 (rev20a).lbr \| 21 KB CAD files ZIP IGS WE-SL2_74422 (rev1).igs \| 1.7 MB STP WE-SL2_74422 (rev1).stp \| 557.7 KB Electric models ZIP PSP PSpice_WE-SL2 (rev22a).zip \| 9.1 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	sectional	2	51	5500	1000	0.16	80	CAN	744725	–	–

Order Code	Datasheet	Simulation
744226	SPEC
744228	SPEC
744225	SPEC
744227	SPEC
744224	SPEC
744223	SPEC
744222	SPEC
744221	SPEC
744220	SPEC
744229	SPEC
744220103	SPEC
744220203	SPEC
744226S	SPEC
744228S	SPEC
744225S	SPEC
744227S	SPEC

Samples

Order Code	Datasheet	Simulation	Downloads	Status	Winding Style	Number of windings	L (µH)	Z_max (Ω)	I_R (mA)	R_{DC max.} (Ω)	V_R (V)	Application	Design Kit	Filter Stick	Filter Bag	Samples

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