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
Samples
WE-SAFB
74270001
0.55 mm, 2.5 mm, 0.76 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.0.55 mm
Outer Diameter2.5 mm
Inner Diameter0.76 mm
Length4 mm
Impedance @ 25 MHz 1 turn42 Ω
Impedance @ 100 MHz 1 turn57 Ω
Material4 W 1500 
WE-SAFB
7427002
0.85 mm, 3.5 mm, 1.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.0.85 mm
Outer Diameter3.5 mm
Inner Diameter1.2 mm
Length6 mm
Impedance @ 25 MHz 1 turn53 Ω
Impedance @ 100 MHz 1 turn79 Ω
Material3 W 800 
WE-SAFB
74270071
1 mm, 3.5 mm, 1.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1 mm
Outer Diameter3.5 mm
Inner Diameter1.2 mm
Length3 mm
Impedance @ 25 MHz 1 turn23 Ω
Impedance @ 100 MHz 1 turn41 Ω
Material7 W 800 
WE-SAFB
74270073
1 mm, 3.5 mm, 1.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1 mm
Outer Diameter3.5 mm
Inner Diameter1.2 mm
Length4 mm
Impedance @ 25 MHz 1 turn30 Ω
Impedance @ 100 MHz 1 turn53 Ω
Material7 W 850 
WE-SAFB
74270010
1 mm, 3.5 mm, 1.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1 mm
Outer Diameter3.5 mm
Inner Diameter1.2 mm
Length4.5 mm
Impedance @ 25 MHz 1 turn42 Ω
Impedance @ 100 MHz 1 turn64 Ω
Material3 W 800 
WE-SAFB
74270017
1 mm, 3.8 mm, 1.58 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1 mm
Outer Diameter3.8 mm
Inner Diameter1.58 mm
Length13.97 mm
Impedance @ 25 MHz 1 turn100 Ω
Impedance @ 100 MHz 1 turn138 Ω
Material4 W 620 
WE-SAFB
742700713
1.1 mm, 3.5 mm, 1.3 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1.1 mm
Outer Diameter3.5 mm
Inner Diameter1.3 mm
Length5 mm
Impedance @ 25 MHz 1 turn31 Ω
Impedance @ 100 MHz 1 turn54 Ω
Material7 W 700 
WE-SAFB
74270011
1.4 mm, 4.1 mm, 1.6 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1.4 mm
Outer Diameter4.1 mm
Inner Diameter1.6 mm
Length3.2 mm
Impedance @ 25 MHz 1 turn27 Ω
Impedance @ 100 MHz 1 turn44 Ω
Material3 W 800 
WE-SAFB
74270012
1.4 mm, 4.1 mm, 1.6 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1.4 mm
Outer Diameter4.1 mm
Inner Diameter1.6 mm
Length4 mm
Impedance @ 25 MHz 1 turn33 Ω
Impedance @ 100 MHz 1 turn51 Ω
Material3 W 800 
WE-SAFB
74270014
1.65 mm, 4 mm, 2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1.65 mm
Outer Diameter4 mm
Inner Diameter2 mm
Length10 mm
Impedance @ 25 MHz 1 turn48 Ω
Impedance @ 100 MHz 1 turn60 Ω
Material4 W 1500 
WE-SAFB
74270015
1.65 mm, 4 mm, 2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1.65 mm
Outer Diameter4 mm
Inner Diameter2 mm
Length10 mm
Impedance @ 25 MHz 1 turn52 Ω
Impedance @ 100 MHz 1 turn79 Ω
Material4 W 620 
WE-SAFB
7427007141
1.8 mm, 4 mm, 2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.1.8 mm
Outer Diameter4 mm
Inner Diameter2 mm
Length5 mm
Impedance @ 25 MHz 1 turn25 Ω
Impedance @ 100 MHz 1 turn46 Ω
Material7 W 700 
WE-SAFB
74270020
2.2 mm, 7.5 mm, 2.4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.2.2 mm
Outer Diameter7.5 mm
Inner Diameter2.4 mm
Length7.5 mm
Impedance @ 25 MHz 1 turn60 Ω
Impedance @ 100 MHz 1 turn103 Ω
Material3 W 800 
WE-SAFB
74270024
2.95 mm, 7.6 mm, 3.18 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.2.95 mm
Outer Diameter7.6 mm
Inner Diameter3.18 mm
Length10 mm
Impedance @ 25 MHz 1 turn74 Ω
Impedance @ 100 MHz 1 turn106 Ω
Material4 W 620 
WE-SAFB
74270025
2.95 mm, 6.35 mm, 3.18 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.2.95 mm
Outer Diameter6.35 mm
Inner Diameter3.18 mm
Length15.88 mm
Impedance @ 25 MHz 1 turn86 Ω
Impedance @ 100 MHz 1 turn123 Ω
Material4 W 620 
WE-SAFB
74270021
3 mm, 5.65 mm, 3 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.3 mm
Outer Diameter5.65 mm
Inner Diameter3 mm
Length9.8 mm
Impedance @ 25 MHz 1 turn53 Ω
Impedance @ 100 MHz 1 turn79 Ω
Material4 W 620 
WE-SAFB
74270022
3.45 mm, 6 mm, 4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.3.45 mm
Outer Diameter6 mm
Inner Diameter4 mm
Length10 mm
Impedance @ 25 MHz 1 turn39 Ω
Impedance @ 100 MHz 1 turn54 Ω
Material4 W 1500 
WE-SAFB
742700726
3.6 mm, 8 mm, 4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.3.6 mm
Outer Diameter8 mm
Inner Diameter4 mm
Length30 mm
Impedance @ 25 MHz 1 turn131 Ω
Impedance @ 100 MHz 1 turn224 Ω
Material7 W 700 
WE-SAFB
74270023
3.7 mm, 7.7 mm, 4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.3.7 mm
Outer Diameter7.7 mm
Inner Diameter4 mm
Length20 mm
Impedance @ 25 MHz 1 turn99 Ω
Impedance @ 100 MHz 1 turn148 Ω
Material4 W 620 
WE-SAFB
742700221
3.8 mm, 6 mm, 4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.3.8 mm
Outer Diameter6 mm
Inner Diameter4 mm
Length4 mm
Impedance @ 25 MHz 1 turn18 Ω
Impedance @ 100 MHz 1 turn33 Ω
Material4 W 1500 
WE-SAFB
742700727
4 mm, 9 mm, 4.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4 mm
Outer Diameter9 mm
Inner Diameter4.2 mm
Length15.5 mm
Impedance @ 25 MHz 1 turn76 Ω
Impedance @ 100 MHz 1 turn118 Ω
Material7 W 700