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

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

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ETD34

ETD39

ETD44

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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	SamplesAvailability & Sample
760895431	SPEC360 - 400 V (DC), 12 V, 12.5 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 112 V	Output Current 112.5 A	Auxiliary Voltage18 V	Inductance600 µH	Switching Frequency 70 - 120	Turns Ratio35:2:2:3	Leakage Inductance100 µH	Saturation Current2 A	DC Resistance 1260 mΩ	DC Resistance 23.1 mΩ	DC Resistance 33.1 mΩ	DC Resistance 4144 mΩ	SizeETD34	MountTHT	–Check availability
760895441	SPEC360 - 400 V (DC), 24 V, 6.2 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 124 V	Output Current 16.2 A	Auxiliary Voltage18 V	Inductance600 µH	Switching Frequency 70 - 120	Turns Ratio35:4:4:3	Leakage Inductance100 µH	Saturation Current2 A	DC Resistance 1260 mΩ	DC Resistance 28 mΩ	DC Resistance 38 mΩ	DC Resistance 4144 mΩ	SizeETD34	MountTHT	–Check availability
760895451	SPEC360 - 400 V (DC), 48 V, 3.1 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 148 V	Output Current 13.1 A	Auxiliary Voltage18 V	Inductance600 µH	Switching Frequency 70 - 120	Turns Ratio35:8:8:3	Leakage Inductance100 µH	Saturation Current2 A	DC Resistance 1260 mΩ	DC Resistance 226.5 mΩ	DC Resistance 326.5 mΩ	DC Resistance 4145 mΩ	SizeETD34	MountTHT	–Check availability
760895631	SPEC360 - 400 V (DC), 12 V, 16.7 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 112 V	Output Current 116.7 A	Auxiliary Voltage18 V	Inductance500 µH	Switching Frequency 70 - 120	Turns Ratio35:2:2:3	Leakage Inductance95 µH	Saturation Current3.5 A	DC Resistance 1145 mΩ	DC Resistance 22.5 mΩ	DC Resistance 32.5 mΩ	DC Resistance 4150 mΩ	SizeETD39	MountTHT	–Check availability
760895641	SPEC360 - 400 V (DC), 24 V, 8.3 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 124 V	Output Current 18.3 A	Auxiliary Voltage18 V	Inductance500 µH	Switching Frequency 70 - 120	Turns Ratio35:4:4:3	Leakage Inductance95 µH	Saturation Current3.5 A	DC Resistance 1145 mΩ	DC Resistance 27.5 mΩ	DC Resistance 37.5 mΩ	DC Resistance 4160 mΩ	SizeETD39	MountTHT	–Check availability
760895651	SPEC360 - 400 V (DC), 48 V, 4.2 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 148 V	Output Current 14.2 A	Auxiliary Voltage18 V	Inductance500 µH	Switching Frequency 70 - 120	Turns Ratio35:8:8:3	Leakage Inductance95 µH	Saturation Current3.5 A	DC Resistance 1145 mΩ	DC Resistance 221.5 mΩ	DC Resistance 321.5 mΩ	DC Resistance 4160 mΩ	SizeETD39	MountTHT	–Check availability
760895731	SPEC360 - 400 V (DC), 12 V, 20.8 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 112 V	Output Current 120.8 A	Auxiliary Voltage18 V	Inductance475 µH	Switching Frequency 70 - 120	Turns Ratio35:2:2:3	Leakage Inductance100 µH	Saturation Current5 A	DC Resistance 1128 mΩ	DC Resistance 24 mΩ	DC Resistance 34 mΩ	DC Resistance 4192 mΩ	SizeETD44	MountTHT	–Check availability
760895741	SPEC360 - 400 V (DC), 24 V, 10.4 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 124 V	Output Current 110.4 A	Auxiliary Voltage16 V	Inductance400 µH	Switching Frequency 70 - 120	Turns Ratio27:3:3:2	Leakage Inductance65 µH	Saturation Current4.3 A	DC Resistance 175 mΩ	DC Resistance 24.5 mΩ	DC Resistance 34.5 mΩ	DC Resistance 4150 mΩ	SizeETD44	MountTHT	–Check availability
760895751	SPEC360 - 400 V (DC), 48 V, 5.2 A	Availability –	Downloads8 files EDA models: Components ZIP ALT WE-LLCR (rev23a).IntLib \| 914 KB CDS Cadence_WE-LLCR (rev22a).zip \| 2.9 MB EAG Eagle_WE-LLCR (rev19a).lbr \| 34 KB KIC KiCad_WE-LLCR (rev25b).zip \| 554.1 KB ZUK Cadstar_WE-LLCR (rev19a).zip \| 8.1 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 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 360 - 400 V (DC)	Output Voltage 148 V	Output Current 15.2 A	Auxiliary Voltage16 V	Inductance400 µH	Switching Frequency 70 - 120	Turns Ratio27:6:6:2	Leakage Inductance65 µH	Saturation Current4.3 A	DC Resistance 175 mΩ	DC Resistance 212.2 mΩ	DC Resistance 312.2 mΩ	DC Resistance 4150 mΩ	SizeETD44	MountTHT	–Check availability

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