WE-AFB LFS | Passive Components | Würth Elektronik Product Catalog

WE-AFB LFS

Characteristics

Ferrite cores made of materials optimized for low-frequency attenuation
Wide operating temperature range: –25 °C to +125 °C, ensuring stable performance in demanding environments

Applications

Especially for applications in the low frequency range from 150 kHz and 30 MHz
Suppression of electronic ballasts (i.e. neon tube) in the lighting industry

Products

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	Order Code	Datasheet	Simulation	Downloads	Status	Ø Cable max.(mm)	Ø OD(mm)	Ø ID(mm)	L(mm)	Z @ 1 MHz 1 turn(Ω)	Z @ 10 MHz 1 turn(Ω)	Material	Alpha-Rack	SamplesAvailability & Sample

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	74277233	SPEC4.55 mm, 9.5 mm, 4.8 mm	Simulation	Availability –	Downloads3 files 3D 3D_IGS_74277233 (rev1).pdf \| 94.4 KB IGS 74277233 (rev1).igs \| 134.7 KB STP 74277233 (rev1).stp \| 15.4 KB	Status ActiveProduction is active. Expected lifetime: >10 years. iProduction is active. Expected lifetime: >10 years.	Cable Diameter Max.4.55 mm	Outer Diameter9.5 mm	Inner Diameter4.8 mm	Length9.5 mm	Impedance @ 1 MHz 1 turn38 Ω	Impedance @ 10 MHz 1 turn46 Ω	Material8 W 5000	Alpha-Rack 742707002	–Check availability
	7427727	SPEC6.1 mm, 14.2 mm, 6.35 mm	Simulation	Availability –	Downloads3 files 3D 3D_IGS_7427727 (rev1).pdf \| 78.5 KB IGS 7427727 (rev1).igs \| 131.2 KB STP 7427727 (rev1).stp \| 15.4 KB	Status ActiveProduction is active. Expected lifetime: >10 years. iProduction is active. Expected lifetime: >10 years.	Cable Diameter Max.6.1 mm	Outer Diameter14.2 mm	Inner Diameter6.35 mm	Length28.5 mm	Impedance @ 1 MHz 1 turn136 Ω	Impedance @ 10 MHz 1 turn82 Ω	Material8 W 5000	Alpha-Rack 742707002	–Check availability
	74277253	SPEC7.6 mm, 16 mm, 8 mm	Simulation	Availability –	Downloads3 files 3D 3D_IGS_74277253 (rev1).pdf \| 82.9 KB IGS 74277253 (rev1).igs \| 132.8 KB STP 74277253 (rev1).stp \| 15.4 KB	Status ActiveProduction is active. Expected lifetime: >10 years. iProduction is active. Expected lifetime: >10 years.	Cable Diameter Max.7.6 mm	Outer Diameter16 mm	Inner Diameter8 mm	Length28.5 mm	Impedance @ 1 MHz 1 turn122 Ω	Impedance @ 10 MHz 1 turn69 Ω	Material8 W 5000	Alpha-Rack 742707002	–Check availability
	7427729	SPEC9.25 mm, 17.5 mm, 9.5 mm	Simulation	Availability –	Downloads3 files 3D 3D_IGS_7427729 (rev1).pdf \| 86.4 KB IGS 7427729 (rev1).igs \| 138.3 KB STP 7427729 (rev1).stp \| 15.4 KB	Status ActiveProduction is active. Expected lifetime: >10 years. iProduction is active. Expected lifetime: >10 years.	Cable Diameter Max.9.25 mm	Outer Diameter17.5 mm	Inner Diameter9.5 mm	Length28.5 mm	Impedance @ 1 MHz 1 turn108 Ω	Impedance @ 10 MHz 1 turn61 Ω	Material8 W 5000	Alpha-Rack 742707002	–Check availability
	74277255	SPEC9.7 mm, 18.6 mm, 10.2 mm	Simulation	Availability –	Downloads3 files 3D 3D_IGS_74277255 (rev1).pdf \| 89.8 KB IGS 74277255 (rev1).igs \| 138.3 KB STP 74277255 (rev1).stp \| 15.4 KB	Status ActiveProduction is active. Expected lifetime: >10 years. iProduction is active. Expected lifetime: >10 years.	Cable Diameter Max.9.7 mm	Outer Diameter18.6 mm	Inner Diameter10.2 mm	Length28.5 mm	Impedance @ 1 MHz 1 turn107 Ω	Impedance @ 10 MHz 1 turn61 Ω	Material8 W 5000	Alpha-Rack 742707002	–Check availability
	74277290	SPEC12.5 mm, 26 mm, 12.8 mm	Simulation	Availability –	Downloads3 files 3D 3D_IGS_74277290 (rev1).pdf \| 100.3 KB IGS 74277290 (rev1).igs \| 138.1 KB STP 74277290 (rev1).stp \| 15.4 KB	Status ActiveProduction is active. Expected lifetime: >10 years. iProduction is active. Expected lifetime: >10 years.	Cable Diameter Max.12.5 mm	Outer Diameter26 mm	Inner Diameter12.8 mm	Length28.5 mm	Impedance @ 1 MHz 1 turn110 Ω	Impedance @ 10 MHz 1 turn43 Ω	Material8 W 5000	Alpha-Rack 742707002	–Check availability

Assortments

Articles from this product series can be found in the following assortments:

Alpha-Rack EMC: Ferrites

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