WE-FC Common Mode Power Line Choke

Size	Dimensions	L (mm)	W (mm)	H (mm)	Material	Mount
ET20H		21.3	21.3	17.8	MnZn	THT
UT20V		21.3	16.6	22.5	MnZn	THT

LTSpice files

LT
LTSpice_WE-FC (rev22a).zip
|
4.7 KB

Characteristics

Closed rectangular ferrite core
2-section winding for excellent high frequency performance
1% stray inductance for symmetrical interference suppression
Flammability corresponding to UL 94 V-0
Climatic category 40/125/21

Applications

Mains filter
Switched mode power supplies
White goods

Products

All

ET20H

UT20V

Order Code	Datasheet	Downloads	Status	I_R (A)	L (mH)	R_{DC max.} (Ω)	V_R (V (AC))	V_T (V (AC))	Material	L (mm)	W (mm)	H (mm)	Mount	Design Kit
7448640395	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640395 (rev20a).s4p \| 311 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	2.6	1.1	0.08	250	2000	MnZn	21.3	21.3	17.8	THT	744864
7448640396	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640396 (rev20a).s4p \| 312 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.65	2.7	0.17	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640397	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640397 (rev20a).s4p \| 312.8 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.3	3.9	0.26	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640398	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640398 (rev20a).s4p \| 313.5 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.2	4.9	0.29	250	2000	MnZn	21.3	21.3	17.8	THT	744864
7448640399	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640399 (rev20a).s4p \| 313.9 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.15	5.9	0.32	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640400	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640400 (rev20a).s4p \| 314.8 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.95	7.1	0.46	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640401	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640401 (rev20a).s4p \| 315.4 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.9	9.4	0.55	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640402	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640402 (rev20a).s4p \| 316.7 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.7	15	0.83	250	2000	MnZn	21.3	21.3	17.8	THT	744864
7448640403	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640403 (rev20a).s4p \| 318.2 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.55	24	1.35	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640404	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640404 (rev20a).s4p \| 319.4 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.45	30	1.85	250	2000	MnZn	21.3	21.3	17.8	THT	–
7448640405	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_ET20V (rev1).igs \| 5.2 MB STP WE-FC_ET20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640405 (rev20a).s4p \| 320 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.45	42	2.3	250	2000	MnZn	21.3	21.3	17.8	THT	744864
7448640406	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640406 (rev20a).s4p \| 311.1 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	2.65	1.1	0.08	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640407	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640407 (rev20a).s4p \| 311 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	2.2	1.5	0.12	250	2000	MnZn	21.3	16.6	22.5	THT	744864
7448640408	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640408 (rev20a).s4p \| 311.6 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	2	2.3	0.14	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640409	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640409 (rev20a).s4p \| 312.1 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.6	2.8	0.2	250	2000	MnZn	21.3	16.6	22.5	THT	744864
7448640410	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640410 (rev20a).s4p \| 312.4 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.55	3.6	0.22	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640411	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640411 (rev20a).s4p \| 312.9 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.5	4.3	0.24	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640412	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640412 (rev20a).s4p \| 313.5 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.25	5	0.31	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640413	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640413 (rev20a).s4p \| 314.6 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.05	7.2	0.48	250	2000	MnZn	21.3	16.6	22.5	THT	744864
7448640414	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640414 (rev20a).s4p \| 315.1 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.97	8.8	0.54	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640415	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640415 (rev20a).s4p \| 316.3 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.8	13	0.81	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640416	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640416 (rev20a).s4p \| 318.3 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.6	24	1.38	250	2000	MnZn	21.3	16.6	22.5	THT	–
7448640417	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640417 (rev20a).s4p \| 319.2 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.52	29	1.87	250	2000	MnZn	21.3	16.6	22.5	THT	744864
7448640418	SPEC	8 files EDA models: Components ZIP ALT WE-FC (rev22a).IntLib \| 482 KB ZUK Cadstar_WE-FC (rev19a).zip \| 6.7 KB CDS Cadence_WE-FC (rev23a).zip \| 3.7 MB EAG Eagle_WE-FC (rev22b).lbr \| 30.4 KB CAD files ZIP IGS WE-FC_UT20V (rev1).igs \| 5.1 MB STP WE-FC_UT20V (rev1).stp \| 1.7 MB Electric models ZIP S S-Parameter_7448640418 (rev20a).s4p \| 320.4 KB PSP PSpice_WE-FC (rev22a).zip \| 10 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	0.4	43	2.88	250	2000	MnZn	21.3	16.6	22.5	THT	–

Order Code	Datasheet	Simulation
7448640395	SPEC
7448640396	SPEC
7448640397	SPEC
7448640398	SPEC
7448640399	SPEC
7448640400	SPEC
7448640401	SPEC
7448640402	SPEC
7448640403	SPEC
7448640404	SPEC
7448640405	SPEC
7448640406	SPEC
7448640407	SPEC
7448640408	SPEC
7448640409	SPEC
7448640410	SPEC
7448640411	SPEC
7448640412	SPEC
7448640413	SPEC
7448640414	SPEC
7448640415	SPEC
7448640416	SPEC
7448640417	SPEC
7448640418	SPEC

Samples

Order Code	Datasheet	Simulation	Downloads	Status	I_R (A)	L (mH)	R_{DC max.} (Ω)	V_R (V (AC))	V_T (V (AC))	Material	L (mm)	W (mm)	H (mm)	Mount	Design Kit	Samples

Assortments

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

Design Kit WE-FC / WE-TFC Common Mode Power Line Chokes

Videos

How to solve EMC problems! || The mystery of the buzzing speaker

Videos

Würth Elektronik Webinar: EMC Filters – From component to design

LTSpice files

Characteristics

Applications

Products

Assortments

Videos

Videos

Learn more

Cart