WE-CSTLF Line Frequency Current Sense Transformer | Passive Components | Würth Elektronik Product Catalog

OverviewAll product units Product unitPassive Components Product groupPower Magnetics Product familyCurrent Sense Transformers Product seriesWE-CSTLF Line Frequency Current Sense Transformer

WE-CSTLF Line Frequency Current Sense Transformer

	Size	Dimensions	3D	L (mm)	W (mm)	H (mm)
NEW	EI187			20.3	16.5	17

Characteristics

Primary current rating to 45A
Frequency 47Hz - 400Hz
UL Class F 155°C Insulation System
Operating temperature: -40 °C to +125 °C
Low profile, compact, THT form factor
Dielectric isolation 4kV AC
Safety: IEC62368-1 / IEC61558-2-16
AEC-Q200 qualification

Applications

AC current detection
Fixed chargers on streets and garages (EV charging infrastructure)
Overload sensing
Load drop/shutdown detection
Industrial automation
Control and monitoring applications
Motor Controls

Products

EI187

	Order Code	Datasheet	Downloads	L (mH)	n	I_R (A)	∫Udt (Vµs)	V_T (V (AC))	R_{DC1 max} (mΩ)	R_{DC2 max} (Ω)	L (mm)	W (mm)	H (mm)	Samples
	7492550500	SPEC	6 files EDA models: Components ZIP ALT Altium_WE-CST-EI187 (rev1).IntLib \| 248 KB CDS Cadence_CSTLF_EI187 (rev1).zip \| 800.9 KB EAG Eagle_WE-CST_EI187 (rev1).lbr \| 8.9 KB CAD files ZIP 3D 3D_PDF_CSTLF_EI187 (rev1).pdf \| 34.4 KB IGS Download_IGS_CSTLF_EI187 (rev1).igs \| 656 B STP WE-CSTLF_EI187_STP (rev1).STEP \| 1.1 MB Download all 6 files as zip archive ZIP	400	1:500	45	30000	4000	0.27	16.2	20.3	16.5	17
	7492551000	SPEC	6 files EDA models: Components ZIP ALT Altium_WE-CST-EI187 (rev1).IntLib \| 248 KB CDS Cadence_CSTLF_EI187 (rev1).zip \| 800.9 KB EAG Eagle_WE-CST_EI187 (rev1).lbr \| 8.9 KB CAD files ZIP 3D 3D_PDF_CSTLF_EI187 (rev1).pdf \| 34.4 KB IGS Download_IGS_CSTLF_EI187 (rev1).igs \| 656 B STP WE-CSTLF_EI187_STP (rev1).STEP \| 1.1 MB Download all 6 files as zip archive ZIP	1600	1:1000	45	60000	4000	0.27	78.7	20.3	16.5	17
	7492551500	SPEC	6 files EDA models: Components ZIP ALT Altium_WE-CST-EI187 (rev1).IntLib \| 248 KB CDS Cadence_CSTLF_EI187 (rev1).zip \| 800.9 KB EAG Eagle_WE-CST_EI187 (rev1).lbr \| 8.9 KB CAD files ZIP 3D 3D_PDF_CSTLF_EI187 (rev1).pdf \| 34.4 KB IGS Download_IGS_CSTLF_EI187 (rev1).igs \| 656 B STP WE-CSTLF_EI187_STP (rev1).STEP \| 1.1 MB Download all 6 files as zip archive ZIP	3600	1:1500	45	90000	4000	0.27	178	20.3	16.5	17
	7492552000	SPEC	6 files EDA models: Components ZIP ALT Altium_WE-CST-EI187 (rev1).IntLib \| 248 KB CDS Cadence_CSTLF_EI187 (rev1).zip \| 800.9 KB EAG Eagle_WE-CST_EI187 (rev1).lbr \| 8.9 KB CAD files ZIP 3D 3D_PDF_CSTLF_EI187 (rev1).pdf \| 34.4 KB IGS Download_IGS_CSTLF_EI187 (rev1).igs \| 656 B STP WE-CSTLF_EI187_STP (rev1).STEP \| 1.1 MB Download all 6 files as zip archive ZIP	6400	1:2000	45	120000	4000	0.27	317	20.3	16.5	17
	7492552500	SPEC	6 files EDA models: Components ZIP ALT Altium_WE-CST-EI187 (rev1).IntLib \| 248 KB CDS Cadence_CSTLF_EI187 (rev1).zip \| 800.9 KB EAG Eagle_WE-CST_EI187 (rev1).lbr \| 8.9 KB CAD files ZIP 3D 3D_PDF_CSTLF_EI187 (rev1).pdf \| 34.4 KB IGS Download_IGS_CSTLF_EI187 (rev1).igs \| 656 B STP WE-CSTLF_EI187_STP (rev1).STEP \| 1.1 MB Download all 6 files as zip archive ZIP	10000	1:2500	45	150000	4000	0.27	468	20.3	16.5	17
	7492553000	SPEC	6 files EDA models: Components ZIP ALT Altium_WE-CST-EI187 (rev1).IntLib \| 248 KB CDS Cadence_CSTLF_EI187 (rev1).zip \| 800.9 KB EAG Eagle_WE-CST_EI187 (rev1).lbr \| 8.9 KB CAD files ZIP 3D 3D_PDF_CSTLF_EI187 (rev1).pdf \| 34.4 KB IGS Download_IGS_CSTLF_EI187 (rev1).igs \| 656 B STP WE-CSTLF_EI187_STP (rev1).STEP \| 1.1 MB Download all 6 files as zip archive ZIP	14400	1:3000	45	180000	4000	0.27	747	20.3	16.5	17

	Order Code	Datasheet
	7492550500	SPEC
	7492551000	SPEC
	7492551500	SPEC
	7492552000	SPEC
	7492552500	SPEC
	7492553000	SPEC

Samples

	Order Code	Datasheet	Downloads	L (mH)	n	I_R (A)	∫Udt (Vµs)	V_T (V (AC))	R_{DC1 max} (mΩ)	R_{DC2 max} (Ω)	L (mm)	W (mm)	H (mm)	Samples