WE-SAFB

Characteristics

Ferrite cores made of materials optimized for high-frequency attenuation
Ideal for applications requiring compact, high-efficiency noise suppression
Available in a range of permeability values (μi = 620 to 1500) to ensure targeted suppression across critical frequency bands
Wide operating temperature range: –25 °C to +125 °C, ensuring stable performance in demanding environments

Applications

For transistor bases or feed line
To avoid radio frequency interferences in switching amplifiers
In power electronics for IGBT- and thyristor circuits

Products

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Order Code	Datasheet	Simulation	Downloads	Status	Ø Cable max. (mm)	Ø OD (mm)	Ø ID (mm)	L (mm)	Z @ 25 MHz 1 turn (Ω)	Z @ 100 MHz 1 turn (Ω)	Material
74270001	0.55 mm, 2.5 mm, 0.76 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270001 (rev1).igs \| 129.2 KB STP 74270001 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 0.55 mm	Outer Diameter 2.5 mm	Inner Diameter 0.76 mm	Length 4 mm	Impedance @ 25 MHz 1 turn 42 Ω	Impedance @ 100 MHz 1 turn 57 Ω	Material 4 W 1500
7427002	0.85 mm, 3.5 mm, 1.2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 7427002 (rev1).igs \| 129.4 KB STP 7427002 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 0.85 mm	Outer Diameter 3.5 mm	Inner Diameter 1.2 mm	Length 6 mm	Impedance @ 25 MHz 1 turn 53 Ω	Impedance @ 100 MHz 1 turn 79 Ω	Material 3 W 800
74270071	1 mm, 3.5 mm, 1.2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270071 (rev1).igs \| 117 KB STP 74270071 (rev1).stp \| 15.5 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1 mm	Outer Diameter 3.5 mm	Inner Diameter 1.2 mm	Length 3 mm	Impedance @ 25 MHz 1 turn 23 Ω	Impedance @ 100 MHz 1 turn 41 Ω	Material 7 W 800
74270073	1 mm, 3.5 mm, 1.2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270073 (rev1).igs \| 116.8 KB STP 74270073 (rev1).stp \| 15.5 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1 mm	Outer Diameter 3.5 mm	Inner Diameter 1.2 mm	Length 4 mm	Impedance @ 25 MHz 1 turn 30 Ω	Impedance @ 100 MHz 1 turn 53 Ω	Material 7 W 850
74270010	1 mm, 3.5 mm, 1.2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270010 (rev1).igs \| 129.3 KB STP 74270010 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1 mm	Outer Diameter 3.5 mm	Inner Diameter 1.2 mm	Length 4.5 mm	Impedance @ 25 MHz 1 turn 42 Ω	Impedance @ 100 MHz 1 turn 64 Ω	Material 3 W 800
74270017	1 mm, 3.8 mm, 1.58 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270017 (rev1).igs \| 126 KB STP 74270017 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1 mm	Outer Diameter 3.8 mm	Inner Diameter 1.58 mm	Length 13.97 mm	Impedance @ 25 MHz 1 turn 100 Ω	Impedance @ 100 MHz 1 turn 138 Ω	Material 4 W 620
742700713	1.1 mm, 3.5 mm, 1.3 mm	Simulation	Downloads 2 files CAD files ZIP IGS 742700713 (rev1).igs \| 129.3 KB STP 742700713 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1.1 mm	Outer Diameter 3.5 mm	Inner Diameter 1.3 mm	Length 5 mm	Impedance @ 25 MHz 1 turn 31 Ω	Impedance @ 100 MHz 1 turn 54 Ω	Material 7 W 700
74270011	1.4 mm, 4.1 mm, 1.6 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270011 (rev1).igs \| 129.3 KB STP 74270011 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1.4 mm	Outer Diameter 4.1 mm	Inner Diameter 1.6 mm	Length 3.2 mm	Impedance @ 25 MHz 1 turn 27 Ω	Impedance @ 100 MHz 1 turn 44 Ω	Material 3 W 800
74270012	1.4 mm, 4.1 mm, 1.6 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270012 (rev1).igs \| 129.3 KB STP 74270012 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1.4 mm	Outer Diameter 4.1 mm	Inner Diameter 1.6 mm	Length 4 mm	Impedance @ 25 MHz 1 turn 33 Ω	Impedance @ 100 MHz 1 turn 51 Ω	Material 3 W 800
74270014	1.65 mm, 4 mm, 2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270014 (rev1).igs \| 129.3 KB STP 74270014 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1.65 mm	Outer Diameter 4 mm	Inner Diameter 2 mm	Length 10 mm	Impedance @ 25 MHz 1 turn 48 Ω	Impedance @ 100 MHz 1 turn 60 Ω	Material 4 W 1500
74270015	1.65 mm, 4 mm, 2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270015 (rev1).igs \| 129.3 KB STP 74270015 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1.65 mm	Outer Diameter 4 mm	Inner Diameter 2 mm	Length 10 mm	Impedance @ 25 MHz 1 turn 52 Ω	Impedance @ 100 MHz 1 turn 79 Ω	Material 4 W 620
7427007141	1.8 mm, 4 mm, 2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 7427007141 (rev1).igs \| 129.3 KB STP 7427007141 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 1.8 mm	Outer Diameter 4 mm	Inner Diameter 2 mm	Length 5 mm	Impedance @ 25 MHz 1 turn 25 Ω	Impedance @ 100 MHz 1 turn 46 Ω	Material 7 W 700
74270020	2.2 mm, 7.5 mm, 2.4 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270020 (rev1).igs \| 129.3 KB STP 74270020 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 2.2 mm	Outer Diameter 7.5 mm	Inner Diameter 2.4 mm	Length 7.5 mm	Impedance @ 25 MHz 1 turn 60 Ω	Impedance @ 100 MHz 1 turn 103 Ω	Material 3 W 800
74270024	2.95 mm, 7.6 mm, 3.18 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270024 (rev1).igs \| 129.4 KB STP 74270024 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 2.95 mm	Outer Diameter 7.6 mm	Inner Diameter 3.18 mm	Length 10 mm	Impedance @ 25 MHz 1 turn 74 Ω	Impedance @ 100 MHz 1 turn 106 Ω	Material 4 W 620
74270025	2.95 mm, 6.35 mm, 3.18 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270025 (rev1).igs \| 125.8 KB STP 74270025 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 2.95 mm	Outer Diameter 6.35 mm	Inner Diameter 3.18 mm	Length 15.88 mm	Impedance @ 25 MHz 1 turn 86 Ω	Impedance @ 100 MHz 1 turn 123 Ω	Material 4 W 620
74270021	3 mm, 5.65 mm, 3 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270021 (rev1).igs \| 129.3 KB STP 74270021 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 3 mm	Outer Diameter 5.65 mm	Inner Diameter 3 mm	Length 9.8 mm	Impedance @ 25 MHz 1 turn 53 Ω	Impedance @ 100 MHz 1 turn 79 Ω	Material 4 W 620
74270022	3.45 mm, 6 mm, 4 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270022 (rev1).igs \| 129.3 KB STP 74270022 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 3.45 mm	Outer Diameter 6 mm	Inner Diameter 4 mm	Length 10 mm	Impedance @ 25 MHz 1 turn 39 Ω	Impedance @ 100 MHz 1 turn 54 Ω	Material 4 W 1500
742700726	3.6 mm, 8 mm, 4 mm	Simulation	Downloads 2 files CAD files ZIP IGS 742700726 (rev1).igs \| 127.5 KB STP 742700726 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 3.6 mm	Outer Diameter 8 mm	Inner Diameter 4 mm	Length 30 mm	Impedance @ 25 MHz 1 turn 131 Ω	Impedance @ 100 MHz 1 turn 224 Ω	Material 7 W 700
74270023	3.7 mm, 7.7 mm, 4 mm	Simulation	Downloads 2 files CAD files ZIP IGS 74270023 (rev1).igs \| 127.6 KB STP 74270023 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 3.7 mm	Outer Diameter 7.7 mm	Inner Diameter 4 mm	Length 20 mm	Impedance @ 25 MHz 1 turn 99 Ω	Impedance @ 100 MHz 1 turn 148 Ω	Material 4 W 620
742700221	3.8 mm, 6 mm, 4 mm	Simulation	Downloads 2 files CAD files ZIP IGS 742700221 (rev1).igs \| 129.3 KB STP 742700221 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 3.8 mm	Outer Diameter 6 mm	Inner Diameter 4 mm	Length 4 mm	Impedance @ 25 MHz 1 turn 18 Ω	Impedance @ 100 MHz 1 turn 33 Ω	Material 4 W 1500
742700727	4 mm, 9 mm, 4.2 mm	Simulation	Downloads 2 files CAD files ZIP IGS 742700727 (rev1).igs \| 132.7 KB STP 742700727 (rev1).stp \| 15.4 KB Download all 2 files as zip archive ZIP	Status Active i \| Production is active. Expected lifetime: >10 years.	Cable Diameter Max. 4 mm	Outer Diameter 9 mm	Inner Diameter 4.2 mm	Length 15.5 mm	Impedance @ 25 MHz 1 turn 76 Ω	Impedance @ 100 MHz 1 turn 118 Ω	Material 7 W 700

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