WE-FB 3751 Flyback Transformer for LT3751 | Passive Components | Würth Elektronik Product Catalog

WE-FB 3751 Flyback Transformer for LT3751

Size	Dimensions	3D	L (mm)	W (mm)	H (mm)
EFD20			21.97	28.7	11.43
EE35/18/10			36.5	42	23

LTSpice files

LT
LTSpice_WE-FB-3751 (rev23a).zip
|
4.2 KB

Characteristics

Isolation voltage: 1 kVAC
Operating temperature: –40 ºC to +125 ºC (incl. self-heating)
Especially designed for LT3751

Applications

Transformer for capacitor charger or high voltage outputs

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EFD20

EE35/18/10

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Order Code	Datasheet	Downloads	Status	V_IN	V_Out1(V)	I_Out1(mA)	L(µH)	n	I_SAT(A)	L_S(µH)	V_T(V (AC))	Size	Samples
750032051	3 - 24 V (DC), 300 V, 150 mA	Downloads8 files EDA models: Components ZIP ALT Altium_WE-FB 3751 (rev23b).IntLib \| 277 KB CDS Cadence_WE-FB 3751 (rev25b).zip \| 1.4 MB EAG Eagle_WE-FB3751 (rev25a).lbr \| 30.6 KB KIC KiCad_WE-FB3751 (rev25b).zip \| 278 KB ZUK Cadstar_WE-FB3751 (rev19a).zip \| 6.6 KB CAD files ZIP IGS WE-FB_3751_EFD20_1 (rev1).igs \| 3 MB STP WE-FB_3751_EFD20_1 (rev1).stp \| 879 KB Electric models ZIP PSP Pspice_WE-FB-3751 (rev23a).zip \| 4.7 KB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 3 - 24 V (DC)	Output Voltage 1300 V	Output Current 1150 mA	Inductance10 µH	Turns Ratio1:10	Saturation Current5 A	Leakage Inductance0.05 µH	Insulation Test Voltage1000 V (AC)	SizeEFD20
750032052	3 - 24 V (DC), 300 V, 150 mA	Downloads8 files EDA models: Components ZIP ALT Altium_WE-FB 3751 (rev23b).IntLib \| 277 KB CDS Cadence_WE-FB 3751 (rev25b).zip \| 1.4 MB EAG Eagle_WE-FB3751 (rev25a).lbr \| 30.6 KB KIC KiCad_WE-FB3751 (rev25b).zip \| 278 KB ZUK Cadstar_WE-FB3751 (rev19a).zip \| 6.6 KB CAD files ZIP IGS WE-FB_3751_EFD20_1 (rev1).igs \| 3 MB STP WE-FB_3751_EFD20_1 (rev1).stp \| 879 KB Electric models ZIP PSP Pspice_WE-FB-3751 (rev23a).zip \| 4.7 KB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 3 - 24 V (DC)	Output Voltage 1300 V	Output Current 1150 mA	Inductance10 µH	Turns Ratio1:10	Saturation Current10 A	Leakage Inductance0.3 µH	Insulation Test Voltage1000 V (AC)	SizeEFD20
750310349	12 - 24 V (DC), 300 V, 1800 mA	Downloads8 files EDA models: Components ZIP ALT Altium_WE-FB 3751 (rev23b).IntLib \| 277 KB CDS Cadence_WE-FB 3751 (rev25b).zip \| 1.4 MB EAG Eagle_WE-FB3751 (rev25a).lbr \| 30.6 KB KIC KiCad_WE-FB3751 (rev25b).zip \| 278 KB ZUK Cadstar_WE-FB3751 (rev19a).zip \| 6.6 KB CAD files ZIP IGS WE-FB_3751_EE35_18_10 (rev1).igs \| 2.5 MB STP WE-FB_3751_EE35_18_10 (rev1).stp \| 910.7 KB Electric models ZIP PSP Pspice_WE-FB-3751 (rev23a).zip \| 4.7 KB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 12 - 24 V (DC)	Output Voltage 1300 V	Output Current 11800 mA	Inductance5 µH	Turns Ratio1:10	Saturation Current25 A	Leakage Inductance0.1 µH	Insulation Test Voltage1000 V (AC)	SizeEE35/18/10
750310355	12 - 24 V (DC), 300 V, 2400 mA	Downloads8 files EDA models: Components ZIP ALT Altium_WE-FB 3751 (rev23b).IntLib \| 277 KB CDS Cadence_WE-FB 3751 (rev25b).zip \| 1.4 MB EAG Eagle_WE-FB3751 (rev25a).lbr \| 30.6 KB KIC KiCad_WE-FB3751 (rev25b).zip \| 278 KB ZUK Cadstar_WE-FB3751 (rev19a).zip \| 6.6 KB CAD files ZIP IGS WE-FB_3751_EE35_18_10 (rev1).igs \| 2.5 MB STP WE-FB_3751_EE35_18_10 (rev1).stp \| 910.7 KB Electric models ZIP PSP Pspice_WE-FB-3751 (rev23a).zip \| 4.7 KB Download all 8 files as zip archive ZIP	Status Activei\| Production is active. Expected lifetime: >10 years.	Input Voltage 12 - 24 V (DC)	Output Voltage 1300 V	Output Current 12400 mA	Inductance2.5 µH	Turns Ratio1:10	Saturation Current50 A	Leakage Inductance0.1 µH	Insulation Test Voltage1000 V (AC)	SizeEE35/18/10

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