WE-LLCR Resonant Converter | Passive Components | Würth Elektronik Product Catalog

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WE-LLCR Resonant Converter

Size	Dimensions	3D	L (mm)	W (mm)	H (mm)	Mount
ETD34			36	36	26	THT
ETD39			43	44	30	THT
ETD44			46	48	27.5	THT

LTSpice files

LT
LTspice_WE-LLCR (rev22a).zip
|
8.7 KB

Characteristics

Transformer for high efficiency power supply
Input voltage 360-400 V (DC)
Output voltage 12V, 24V or 48V
Switching frequency 70-120 kHz
Output power 150-250 W
Insulation test voltage 4 kV (AC)
Litz wire for low eddy current losses
Defined leakage inductance for use without additional resonant inductor

Applications

Power supply for PC, Notebook etc., LED lighting, other power supplies
High efficient resonant converters

Products

All

ETD34

ETD39

ETD44

Order Code	Datasheet	Downloads	Status	V_IN	V_Out1 (V)	I_Out1 (A)	V_aux (V)	L (µH)	f_switch (kHz)	n	L_S (µH)	I_SAT (A)	R_{DC 1} (mΩ)	R_{DC 2} (mΩ)	R_{DC 3} (mΩ)	R_{DC 4} (mΩ)	Size	Mount	Samples
760895431	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD34_LLCR (rev1).igs \| 1.9 MB STP WE-LLCR_ETD34_LLCR (rev1).stp \| 651.5 KB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	12	12.5	18	600	70 - 120	35:2:2:3	100	2	260	3.1	3.1	144	ETD34	THT
760895441	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD34_LLCR (rev1).igs \| 1.9 MB STP WE-LLCR_ETD34_LLCR (rev1).stp \| 651.5 KB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	24	6.2	18	600	70 - 120	35:4:4:3	100	2	260	8	8	144	ETD34	THT
760895451	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD34_LLCR (rev1).igs \| 1.9 MB STP WE-LLCR_ETD34_LLCR (rev1).stp \| 651.5 KB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	48	3.1	18	600	70 - 120	35:8:8:3	100	2	260	26.5	26.5	145	ETD34	THT
760895631	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD39_LLCR (rev1).igs \| 2.4 MB STP WE-LLCR_ETD39_LLCR (rev1).stp \| 827.1 KB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	12	16.7	18	500	70 - 120	35:2:2:3	95	3.5	145	2.5	2.5	150	ETD39	THT
760895641	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD39_LLCR (rev1).igs \| 2.4 MB STP WE-LLCR_ETD39_LLCR (rev1).stp \| 827.1 KB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	24	8.3	18	500	70 - 120	35:4:4:3	95	3.5	145	7.5	7.5	160	ETD39	THT
760895651	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD39_LLCR (rev1).igs \| 2.4 MB STP WE-LLCR_ETD39_LLCR (rev1).stp \| 827.1 KB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	48	4.2	18	500	70 - 120	35:8:8:3	95	3.5	145	21.5	21.5	160	ETD39	THT
760895731	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD44_LLCR (rev1).igs \| 3.4 MB STP WE-LLCR_ETD44_LLCR (rev1).stp \| 1.1 MB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	12	20.8	18	475	70 - 120	35:2:2:3	100	5	128	4	4	192	ETD44	THT
760895741	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD44_LLCR (rev1).igs \| 3.4 MB STP WE-LLCR_ETD44_LLCR (rev1).stp \| 1.1 MB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	24	10.4	16	400	70 - 120	27:3:3:2	65	4.3	75	4.5	4.5	150	ETD44	THT
760895751	SPEC	7 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB CAD files ZIP IGS WE-LLCR_ETD44_LLCR (rev1).igs \| 3.4 MB STP WE-LLCR_ETD44_LLCR (rev1).stp \| 1.1 MB Electric models ZIP PSP Pspice_WE-LLCR (rev22a).zip \| 6.2 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	360 - 400 V (DC)	48	5.2	16	400	70 - 120	27:6:6:2	65	4.3	75	12.2	12.2	150	ETD44	THT

Order Code	Datasheet
760895431	SPEC
760895441	SPEC
760895451	SPEC
760895631	SPEC
760895641	SPEC
760895651	SPEC
760895731	SPEC
760895741	SPEC
760895751	SPEC

Samples

Order Code	Datasheet	Downloads	Status	V_IN	V_Out1 (V)	I_Out1 (A)	V_aux (V)	L (µH)	f_switch (kHz)	n	L_S (µH)	I_SAT (A)	R_{DC 1} (mΩ)	R_{DC 2} (mΩ)	R_{DC 3} (mΩ)	R_{DC 4} (mΩ)	Size	Mount	Samples

Learn more

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