WE-LQSA SMD Semi-Shielded Power Inductor | Automotive | Würth Elektronik Product Catalog

	Size	L (mm)	W (mm)	H (mm)	Mount
EXT.	5040	5	5	4	SMT
	6045	6	6	4.6	SMT
EXT.	8040	8	8	4.2	SMT

Datasheet

SPEC
Seriesdatasheet_WE-LQSA_V1 (rev1).pdf
|
2.7 MB

LTSpice files

LT
LTSpice_WE-LQSA (rev22a).zip
|
2.3 KB

Characteristics

Magnetically shielded by use of a magnetic resin
Compact design compared to standard power inductors for high density mounting
Robust design qualified with AEC-Q200 Grade 0
Operating temperature: -50 °C up to +150 °C
Automotive approved

Applications

LED Headlights (DC/DC-Converter, Control system)
Electric Vehicle (Battery Management System, Inverter, DC/DC)
Car Navigation Systems
Keyless Entry Systems

Products

All

5040

6045

8040

Order Code	Datasheet	Downloads	Status	L (µH)	I_R (A)	I_SAT (A)	R_{DC max.} (mΩ)	f_res (MHz)	Design Kit
78404084010	SPEC PCN pending Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. SPEC Datasheet valid to 21/04/2025 SPEC Datasheet valid from 22/04/2025 PCN PCN document	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	1	8.2	14.5	10	127	–
78404054010	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1	5.7	7.4	14	187	78404001
78404064010	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1	6.7	11.5	11	159	78404001
78404054015	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.5	5.22	6	18	137	–
78404064015	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	1.5	6.1	9.7	13	115	–
78404084015	SPEC	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	1.5	7.7	11.7	12	95	–
78404054022	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	2.2	4.54	5.3	23	77	–
78404064022	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	2.2	5.3	8.1	17	60	–
78404084022	SPEC	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	2.2	7	9.8	15	57	–
78404054033	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	3.3	4.06	4.3	29	48	78404001
78404064033	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	3.3	4.1	6.5	28	42	–
78404084033	SPEC	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	3.3	5.7	7.5	21	42	–
78404054047	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	4.7	3.64	3.8	36	43	–
78404064047	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	4.7	3.7	5.5	34	36	78404001
78404084047	SPEC	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	4.7	5.3	6.8	23	35	–
78404054068	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	6.8	3.01	3.2	52	35	–
78404064068	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	6.8	3.3	4.3	42	27	–
78404084068	SPEC	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	6.8	4.9	5.8	29	27	–
78404054100	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	10	2.45	2.5	82	26	78404001
78404064100	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	10	2.8	3.5	58	22	78404001
78404084100	SPEC	1 files Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 1 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	10	4.35	5	35	23	78404001
78404084150	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-8040 (rev1).pdf \| 729.5 KB IGS Download_IGS_WE-LQSA-8040 (rev1).igs \| 2.7 MB STP Download_STP_WE-LQSA-8040 (rev1).stp \| 724.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	15	3.75	3.9	60	17	78404001
78404064150	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	15	2.4	3	88	17	–
78404054150	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	15	2.01	2.2	108	22	–
78404054220	SPEC	4 files CAD files ZIP 3D 3D_78404054xxx_5040 (rev1).pdf \| 1 MB IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 4 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	22	1.75	1.7	155	17	–
78404084220	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-8040 (rev1).pdf \| 729.5 KB IGS Download_IGS_WE-LQSA-8040 (rev1).igs \| 2.7 MB STP Download_STP_WE-LQSA-8040 (rev1).stp \| 724.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	22	3.2	3.2	85	15	78404001
78404064220	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	22	1.9	2.5	120	15	78404001
78404064330	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	33	1.7	2	168	12	–
78404054330	SPEC	4 files CAD files ZIP 3D 3D_78404054xxx_5040 (rev1).pdf \| 1 MB IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 4 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	33	1.43	1.4	226	13	–
78404064470	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	47	1.4	1.6	252	10	–
78404054470	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	47	1.19	1.2	348	10	78404001
78404084470	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-8040 (rev1).pdf \| 729.5 KB IGS Download_IGS_WE-LQSA-8040 (rev1).igs \| 2.7 MB STP Download_STP_WE-LQSA-8040 (rev1).stp \| 724.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	47	2.23	2.18	168	10	78404001
78404054680	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	68	0.97	0.99	516	9	–
78404084680	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-8040 (rev1).pdf \| 729.5 KB IGS Download_IGS_WE-LQSA-8040 (rev1).igs \| 2.7 MB STP Download_STP_WE-LQSA-8040 (rev1).stp \| 724.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	68	1.8	1.82	245	8	78404001
78404064680	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	68	1.1	1.4	367	8	78404001
78404084101	SPEC	2 files CAD files ZIP IGS IGS_we_LQSA (rev1).igs \| 2.7 MB STP STP_we_LQSA (rev1).stp \| 724.8 KB Download all 2 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	100	1.45	1.5	348	6.4	–
78404054101	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	100	0.82	0.82	720	7	78404001
78404064101	SPEC	8 files EDA models: Components ZIP ALT Altium_WE-LQSA (rev22b).IntLib \| 400.5 KB CDS Cadence_WE-LQSA (rev22a).zip \| 4.6 MB EAG Eagle_WE-LQSA (rev22a).lbr \| 35 KB CAD files ZIP 3D Download_3D_WE-LQSA-6045 (rev1).pdf \| 1002.2 KB IGS Download_IGS_WE-LQSA-6045 (rev1).igs \| 3.2 MB STP Download_STP_WE-LQSA-6045 (rev1).stp \| 890.1 KB Electric models ZIP PSP PSpice_WE-LQSA (rev22a).zip \| 6.4 KB SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 8 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	100	0.9	1.2	532	6	–
78404054151	SPEC	3 files CAD files ZIP 3D 3D_78404054xxx_5040 (rev1).pdf \| 1 MB IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Download all 3 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	150	0.67	0.72	972	6.3	–
78404054221	SPEC	4 files CAD files ZIP 3D 3D_78404054xxx_5040 (rev1).pdf \| 1 MB IGS Downloads_igs_WE_LQSA_78404054xxx_5040 (rev1).igs \| 2.7 MB STP downloads_stp_WE_LQSA_78404054xxx_5040 (rev1).stp \| 750.8 KB Electric models ZIP SCS Spectre_WE-LQSA (rev24a).mod \| 9.4 KB Download all 4 files as zip archive ZIP	New i\| Product is new in our portfolio and production is active. Expected lifetime: >10 years.	220	0.56	0.55	1680	4.5	–

Order Code	Datasheet
78404084010	SPEC PCN pending Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. SPEC Datasheet valid to 21/04/2025 SPEC Datasheet valid from 22/04/2025 PCN PCN document
78404054010	SPEC
78404064010	SPEC
78404054015	SPEC
78404064015	SPEC
78404084015	SPEC
78404054022	SPEC
78404064022	SPEC
78404084022	SPEC
78404054033	SPEC
78404064033	SPEC
78404084033	SPEC
78404054047	SPEC
78404064047	SPEC
78404084047	SPEC
78404054068	SPEC
78404064068	SPEC
78404084068	SPEC
78404054100	SPEC
78404064100	SPEC
78404084100	SPEC
78404084150	SPEC
78404064150	SPEC
78404054150	SPEC
78404054220	SPEC
78404084220	SPEC
78404064220	SPEC
78404064330	SPEC
78404054330	SPEC
78404064470	SPEC
78404054470	SPEC
78404084470	SPEC
78404054680	SPEC
78404084680	SPEC
78404064680	SPEC
78404084101	SPEC
78404054101	SPEC
78404064101	SPEC
78404054151	SPEC
78404054221	SPEC

Samples

Order Code	Datasheet	Downloads	Status	L (µH)	I_R (A)	I_SAT (A)	R_{DC max.} (mΩ)	f_res (MHz)	Design Kit	Samples

Assortments

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

Design Kit SMT Power Inductor

WE-LQSA SMD Semi-Shielded Power Inductor EXTENDED

Datasheet

LTSpice files

Characteristics

Applications

Products

PCN pending

PCN pending

Assortments

Cart