WE-UNIT Off-Line Transformer | Passive Components | Würth Elektronik Product Catalog

OverviewAll product units Product unitPassive Components Product groupPower Magnetics Product familyTransformers For AC/DC Converter Product seriesWE-UNIT Off-Line Transformer

WE-UNIT Off-Line Transformer

Size	Dimensions	3D	L (mm)	W (mm)	H (mm)	Mount
EE13/7/4 Vertical			15	11	16.8	THT
EE13/7/4 Horizontal			21.5	15	12	THT
EE16/7/4			18	16.5	18	THT
EE16/8/5			24.5	20.2	16.5	THT

LTSpice files

LT
LTSpice_WE-UNIT (rev22a).zip
|
9.4 KB

Characteristics

Nominal input voltage: 125–375 VDC
Output power 3 W and 9 W
Operating temperature: –40 °C to +125 °C
Clearance and creepage distance 6 mm min.
Isolation voltage 4 kVAC, 1 Minute
Design compliant to EN 61558-2-16: Reinforced insulation; except 749 118 10 xx: Basic insulation

Applications

Designed for Tiny Switch ICs from Power Integration and NCP101x or 105x of ON Semiconductor
For SMPS with universal input from 85 VAC up to 265 VAC

Products

All

EE13/7/4 Vertical

EE13/7/4 Horizontal

EE16/7/4

EE16/8/5

	Order Code	Datasheet	Downloads	Status	V_IN	V_Out1 (V)	I_Out1 (A)	V_Out2 (V)	I_Out2 (A)	L (mH)	f_switch	n	L_Smin. (µH)	I_SAT (A)	R_{DC 1} (Ω)	R_{DC 2} (Ω)	R_{DC 3} (mΩ)	Size	L_S (µH)	Mount	Samples
	749118105	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E13_7_4_vertical (rev1).igs \| 1.4 MB STP WE-UNIT_E13_7_4_vertical (rev1).stp \| 402.8 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	5	0.6	–	–	2.8	132	18.9:1	280	0.2	11	0.05	–	E13/7/4	280	THT
	7491181012	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E13_7_4_vertical (rev1).igs \| 1.4 MB STP WE-UNIT_E13_7_4_vertical (rev1).stp \| 402.8 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	12	0.25	–	–	2.8	132	8.1:1	220	0.21	11	0.29	–	E13/7/4	220	THT
	7491181024	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E13_7_4_vertical (rev1).igs \| 1.4 MB STP WE-UNIT_E13_7_4_vertical (rev1).stp \| 402.8 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	24	0.125	–	–	2.8	132	4:1	245	0.21	11	1.2	–	E13/7/4	245	THT
	749118115	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E13_7_4_horizontal (rev1).igs \| 984.9 KB STP WE-UNIT_E13_7_4_horizontal (rev1).stp \| 242.2 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	5	0.6	–	–	2.8	132	18.9:1	180	0.2	8	0.05	–	E13/7/4	180	THT
	7491181112	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E13_7_4_horizontal (rev1).igs \| 984.9 KB STP WE-UNIT_E13_7_4_horizontal (rev1).stp \| 242.2 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	12	0.25	–	–	2.8	132	8.1:1	175	0.21	8	0.29	–	E13/7/4	175	THT
	7491181124	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E13_7_4_horizontal (rev1).igs \| 984.9 KB STP WE-UNIT_E13_7_4_horizontal (rev1).stp \| 242.2 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	24	0.125	–	–	2.8	132	4:1	172	0.21	8	1.2	–	E13/7/4	172	THT
	749118205	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E16_7_4 (rev1).igs \| 2.7 MB STP WE-UNIT_E16_7_4 (rev1).stp \| 793.6 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	5	0.9	5	0.9	0.9	132	19:1:1	175	0.85	4.3	0.026	26	E16/7/4	175	THT
	7491182012	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E16_7_4 (rev1).igs \| 2.7 MB STP WE-UNIT_E16_7_4 (rev1).stp \| 793.6 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	12	0.35	12	0.35	0.9	132	9.5:1:1	145	0.8	4.3	0.075	85	E16/7/4	145	THT
	7491182024	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E16_7_4 (rev1).igs \| 2.7 MB STP WE-UNIT_E16_7_4 (rev1).stp \| 793.6 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	24	0.4	–	–	0.9	132	4.4:1	145	0.8	4.3	0.21	–	E16/7/4	145	THT
	749118215	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E16_8_5 (rev1).igs \| 1.6 MB STP WE-UNIT_E16_8_5 (rev1).stp \| 611.5 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	5	1	5	1	0.9	132	19:1:1	120	0.85	4.3	0.028	28	E16/8/5	120	THT
	7491182112	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E16_8_5 (rev1).igs \| 1.6 MB STP WE-UNIT_E16_8_5 (rev1).stp \| 611.5 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	12	0.35	12	0.35	0.9	132	9.5:1:1	112	0.8	4.3	0.094	102	E16/8/5	112	THT
	7491182124	SPEC	7 files EDA models: Components ZIP ALT Altium_WE-UNIT (rev23a).IntLib \| 383 KB ZUK Cadstar_WE-UNIT (rev19a).zip \| 8.6 KB CDS Cadence_WE-UNIT (rev22a).zip \| 3.4 MB EAG Eagle_WE-UNIT (rev19a).lbr \| 42.4 KB CAD files ZIP IGS WE-UNIT_E16_8_5 (rev1).igs \| 1.6 MB STP WE-UNIT_E16_8_5 (rev1).stp \| 611.5 KB Electric models ZIP PSP PSpice_WE-UNIT (rev22a).zip \| 5.9 KB Download all 7 files as zip archive ZIP	Active i\| Production is active. Expected lifetime: >10 years.	85 - 265 V (AC)	24	0.4	–	–	0.9	132	4.4:1	100	0.8	4.3	0.155	–	E16/8/5	100	THT

	Order Code	Datasheet
	749118105	SPEC
	7491181012	SPEC
	7491181024	SPEC
	749118115	SPEC
	7491181112	SPEC
	7491181124	SPEC
	749118205	SPEC
	7491182012	SPEC
	7491182024	SPEC
	749118215	SPEC
	7491182112	SPEC
	7491182124	SPEC

Samples

	Order Code	Datasheet	Downloads	Status	V_IN	V_Out1 (V)	I_Out1 (A)	V_Out2 (V)	I_Out2 (A)	L (mH)	f_switch	n	L_Smin. (µH)	I_SAT (A)	R_{DC 1} (Ω)	R_{DC 2} (Ω)	R_{DC 3} (mΩ)	Size	L_S (µH)	Mount	Samples

Learn more

Overview-Power Magnetics
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