WE-TOF

Characteristics

  • Ferrite cores made of materials optimized for high-frequency attenuation
  • Designed for applications with large cable diameters or where multiple cable turns are needed, this ferrite series offers robust EMI suppression with extended mechanical compatibility
  • Available in a range of permeability values (μi = 380 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

  • Wires
  • Coaxial cables
  • Wire-wrapping cables
  • Multiconductor wires
  • Cable e.g. of power supplies, data and gage signal lines

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)
Z @ 100 MHz
2 turns
(Ω)
Z @ 25 MHz
2 turns
(Ω)
Material
Design Kit
Alpha-Rack
Samples
WE-TOF
74270111
3 mm, 7.3 mm, 3.3 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.3 mm
Outer Diameter7.3 mm
Inner Diameter3.3 mm
Length4.3 mm
Impedance @ 25 MHz 1 turn32 Ω
Impedance @ 100 MHz 1 turn48 Ω
Impedance @ 100 MHz 2 turns151 Ω
Impedance @ 25 MHz 2 turns123 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
742701712
4.5 mm, 9 mm, 5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4.5 mm
Outer Diameter9 mm
Inner Diameter5 mm
Length8 mm
Impedance @ 25 MHz 1 turn34 Ω
Impedance @ 100 MHz 1 turn56 Ω
Impedance @ 100 MHz 2 turns203 Ω
Impedance @ 25 MHz 2 turns134 Ω
Material7 W 700 
Design Kit
Alpha-Rack
WE-TOF
742701121
4.6 mm, 9.5 mm, 5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4.6 mm
Outer Diameter9.5 mm
Inner Diameter5 mm
Length14.5 mm
Impedance @ 25 MHz 1 turn75 Ω
Impedance @ 100 MHz 1 turn109 Ω
Impedance @ 100 MHz 2 turns370 Ω
Impedance @ 25 MHz 2 turns195 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270113
4.6 mm, 11.5 mm, 5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4.6 mm
Outer Diameter11.5 mm
Inner Diameter5 mm
Length9 mm
Impedance @ 25 MHz 1 turn62 Ω
Impedance @ 100 MHz 1 turn91 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270112
4.6 mm, 9 mm, 5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4.6 mm
Outer Diameter9 mm
Inner Diameter5 mm
Length8 mm
Impedance @ 25 MHz 1 turn33 Ω
Impedance @ 100 MHz 1 turn63 Ω
Impedance @ 100 MHz 2 turns203 Ω
Impedance @ 25 MHz 2 turns134 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270161
4.7 mm, 10 mm, 5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4.7 mm
Outer Diameter10 mm
Inner Diameter5 mm
Length3.7 mm
Impedance @ 25 MHz 1 turn21 Ω
Impedance @ 100 MHz 1 turn36 Ω
Impedance @ 100 MHz 2 turns136 Ω
Impedance @ 25 MHz 2 turns115 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
74270176
4.7 mm, 10 mm, 5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.4.7 mm
Outer Diameter10 mm
Inner Diameter5 mm
Length5 mm
Impedance @ 25 MHz 1 turn25 Ω
Impedance @ 100 MHz 1 turn44 Ω
Impedance @ 100 MHz 2 turns170 Ω
Impedance @ 25 MHz 2 turns105 Ω
Material7 W 850 
Design Kit
Alpha-Rack
WE-TOF
74270106
6.5 mm, 13.2 mm, 7.1 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.6.5 mm
Outer Diameter13.2 mm
Inner Diameter7.1 mm
Length12.7 mm
Impedance @ 25 MHz 1 turn65 Ω
Impedance @ 100 MHz 1 turn93 Ω
Impedance @ 100 MHz 2 turns342 Ω
Impedance @ 25 MHz 2 turns272 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
742701716
7.5 mm, 12.7 mm, 7.9 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.7.5 mm
Outer Diameter12.7 mm
Inner Diameter7.9 mm
Length6.35 mm
Impedance @ 25 MHz 1 turn22 Ω
Impedance @ 100 MHz 1 turn42 Ω
Impedance @ 100 MHz 2 turns175 Ω
Impedance @ 25 MHz 2 turns91 Ω
Material7 W 380 
Design Kit
Alpha-Rack
WE-TOF
7427010
7.6 mm, 16.5 mm, 8 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.7.6 mm
Outer Diameter16.5 mm
Inner Diameter8 mm
Length13 mm
Impedance @ 25 MHz 1 turn75 Ω
Impedance @ 100 MHz 1 turn107 Ω
Impedance @ 100 MHz 2 turns513 Ω
Impedance @ 25 MHz 2 turns330 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
7427011
7.6 mm, 16.5 mm, 8 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.7.6 mm
Outer Diameter16.5 mm
Inner Diameter8 mm
Length16 mm
Impedance @ 25 MHz 1 turn95 Ω
Impedance @ 100 MHz 1 turn134 Ω
Impedance @ 100 MHz 2 turns574 Ω
Impedance @ 25 MHz 2 turns395 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
742701707
9.5 mm, 20 mm, 10 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.9.5 mm
Outer Diameter20 mm
Inner Diameter10 mm
Length10 mm
Impedance @ 25 MHz 1 turn47 Ω
Impedance @ 100 MHz 1 turn78 Ω
Impedance @ 100 MHz 2 turns305 Ω
Impedance @ 25 MHz 2 turns191 Ω
Material7 W 850 
Design Kit
Alpha-Rack
WE-TOF
74270117
9.6 mm, 14 mm, 10 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.9.6 mm
Outer Diameter14 mm
Inner Diameter10 mm
Length8 mm
Impedance @ 25 MHz 1 turn21 Ω
Impedance @ 100 MHz 1 turn43 Ω
Impedance @ 100 MHz 2 turns343 Ω
Impedance @ 25 MHz 2 turns215 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
7427018
9.6 mm, 18.6 mm, 10.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.9.6 mm
Outer Diameter18.6 mm
Inner Diameter10.2 mm
Length6 mm
Impedance @ 25 MHz 1 turn34 Ω
Impedance @ 100 MHz 1 turn45 Ω
Impedance @ 100 MHz 2 turns163 Ω
Impedance @ 25 MHz 2 turns124 Ω
Material4 W 1500 
Design Kit
Alpha-Rack
WE-TOF
74270182
10 mm, 18.6 mm, 10.2 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.10 mm
Outer Diameter18.6 mm
Inner Diameter10.2 mm
Length10 mm
Impedance @ 25 MHz 1 turn48 Ω
Impedance @ 100 MHz 1 turn67 Ω
Impedance @ 100 MHz 2 turns265 Ω
Impedance @ 25 MHz 2 turns200 Ω
Material4 W 1500 
Design Kit
Alpha-Rack
WE-TOF
74270181
10.3 mm, 17.5 mm, 10.7 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.10.3 mm
Outer Diameter17.5 mm
Inner Diameter10.7 mm
Length12.7 mm
Impedance @ 25 MHz 1 turn48 Ω
Impedance @ 100 MHz 1 turn67 Ω
Impedance @ 100 MHz 2 turns307 Ω
Impedance @ 25 MHz 2 turns237 Ω
Material4 W 1500 
Design Kit
Alpha-Rack
WE-TOF
74270121
10.5 mm, 19 mm, 11.5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.10.5 mm
Outer Diameter19 mm
Inner Diameter11.5 mm
Length8 mm
Impedance @ 25 MHz 1 turn33 Ω
Impedance @ 100 MHz 1 turn54 Ω
Impedance @ 100 MHz 2 turns70 Ω
Impedance @ 25 MHz 2 turns40 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270110
11.5 mm, 16 mm, 12 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.11.5 mm
Outer Diameter16 mm
Inner Diameter12 mm
Length16 mm
Impedance @ 25 MHz 1 turn40 Ω
Impedance @ 100 MHz 1 turn56 Ω
Impedance @ 100 MHz 2 turns195 Ω
Impedance @ 25 MHz 2 turns131 Ω
Material4 W 1500 
Design Kit
Alpha-Rack
WE-TOF
7427012
11.8 mm, 23.5 mm, 12.6 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.11.8 mm
Outer Diameter23.5 mm
Inner Diameter12.6 mm
Length14 mm
Impedance @ 25 MHz 1 turn72 Ω
Impedance @ 100 MHz 1 turn103 Ω
Impedance @ 100 MHz 2 turns471 Ω
Impedance @ 25 MHz 2 turns342 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270118
12.3 mm, 21.2 mm, 12.7 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.12.3 mm
Outer Diameter21.2 mm
Inner Diameter12.7 mm
Length6 mm
Impedance @ 25 MHz 1 turn23 Ω
Impedance @ 100 MHz 1 turn48 Ω
Impedance @ 100 MHz 2 turns170 Ω
Impedance @ 25 MHz 2 turns100 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
74270120
12.5 mm, 21 mm, 13 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.12.5 mm
Outer Diameter21 mm
Inner Diameter13 mm
Length12 mm
Impedance @ 25 MHz 1 turn49 Ω
Impedance @ 100 MHz 1 turn73 Ω
Impedance @ 100 MHz 2 turns290 Ω
Impedance @ 25 MHz 2 turns174 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270119
13.3 mm, 22.5 mm, 13.8 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.13.3 mm
Outer Diameter22.5 mm
Inner Diameter13.8 mm
Length6.4 mm
Impedance @ 25 MHz 1 turn24 Ω
Impedance @ 100 MHz 1 turn48 Ω
Impedance @ 100 MHz 2 turns398 Ω
Impedance @ 25 MHz 2 turns187 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
742701703
14.5 mm, 25 mm, 15 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.14.5 mm
Outer Diameter25 mm
Inner Diameter15 mm
Length12 mm
Impedance @ 25 MHz 1 turn38 Ω
Impedance @ 100 MHz 1 turn70 Ω
Impedance @ 100 MHz 2 turns379 Ω
Impedance @ 25 MHz 2 turns195 Ω
Material7 W 380 
Design Kit
Alpha-Rack
WE-TOF
7427013
15.5 mm, 28 mm, 16 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.15.5 mm
Outer Diameter28 mm
Inner Diameter16 mm
Length13 mm
Impedance @ 25 MHz 1 turn45 Ω
Impedance @ 100 MHz 1 turn89 Ω
Impedance @ 100 MHz 2 turns428 Ω
Impedance @ 25 MHz 2 turns295 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
7427014
15.5 mm, 28 mm, 16 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.15.5 mm
Outer Diameter28 mm
Inner Diameter16 mm
Length20 mm
Impedance @ 25 MHz 1 turn74 Ω
Impedance @ 100 MHz 1 turn132 Ω
Impedance @ 100 MHz 2 turns550 Ω
Impedance @ 25 MHz 2 turns411 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
742701110
17.5 mm, 28 mm, 18 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.17.5 mm
Outer Diameter28 mm
Inner Diameter18 mm
Length7.5 mm
Impedance @ 25 MHz 1 turn26 Ω
Impedance @ 100 MHz 1 turn54 Ω
Impedance @ 100 MHz 2 turns330 Ω
Impedance @ 25 MHz 2 turns205 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
742701111
18.5 mm, 29.5 mm, 19 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.18.5 mm
Outer Diameter29.5 mm
Inner Diameter19 mm
Length7.7 mm
Impedance @ 25 MHz 1 turn28 Ω
Impedance @ 100 MHz 1 turn52 Ω
Impedance @ 100 MHz 2 turns335 Ω
Impedance @ 25 MHz 2 turns208 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
74270104
18.5 mm, 31.7 mm, 19 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.18.5 mm
Outer Diameter31.7 mm
Inner Diameter19 mm
Length8 mm
Impedance @ 25 MHz 1 turn35 Ω
Impedance @ 100 MHz 1 turn58 Ω
Impedance @ 100 MHz 2 turns251 Ω
Impedance @ 25 MHz 2 turns133 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270115
18.5 mm, 31.5 mm, 19 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.18.5 mm
Outer Diameter31.5 mm
Inner Diameter19 mm
Length16 mm
Impedance @ 25 MHz 1 turn56 Ω
Impedance @ 100 MHz 1 turn102 Ω
Impedance @ 100 MHz 2 turns350 Ω
Impedance @ 25 MHz 2 turns221 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
74270151
20.4 mm, 34.6 mm, 20.8 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.20.4 mm
Outer Diameter34.6 mm
Inner Diameter20.8 mm
Length12.7 mm
Impedance @ 25 MHz 1 turn52 Ω
Impedance @ 100 MHz 1 turn81 Ω
Impedance @ 100 MHz 2 turns416 Ω
Impedance @ 25 MHz 2 turns207 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
742701112
24.8 mm, 35.6 mm, 25.4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.24.8 mm
Outer Diameter35.6 mm
Inner Diameter25.4 mm
Length7.5 mm
Impedance @ 25 MHz 1 turn21 Ω
Impedance @ 100 MHz 1 turn45 Ω
Impedance @ 100 MHz 2 turns350 Ω
Impedance @ 25 MHz 2 turns165 Ω
Material3 W 800 
Design Kit
Alpha-Rack
WE-TOF
7427015
26.9 mm, 40.6 mm, 27.4 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.26.9 mm
Outer Diameter40.6 mm
Inner Diameter27.4 mm
Length15 mm
Impedance @ 25 MHz 1 turn50 Ω
Impedance @ 100 MHz 1 turn82 Ω
Impedance @ 100 MHz 2 turns399 Ω
Impedance @ 25 MHz 2 turns217 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270097
33.4 mm, 61 mm, 35.5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.33.4 mm
Outer Diameter61 mm
Inner Diameter35.5 mm
Length12.7 mm
Impedance @ 25 MHz 1 turn55 Ω
Impedance @ 100 MHz 1 turn92 Ω
Impedance @ 100 MHz 2 turns680 Ω
Impedance @ 25 MHz 2 turns323 Ω
Material4 W 620 
Design Kit
Alpha-Rack
WE-TOF
74270198
33.4 mm, 61 mm, 35.5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.33.4 mm
Outer Diameter61 mm
Inner Diameter35.5 mm
Length12.7 mm
Impedance @ 25 MHz 1 turn65 Ω
Impedance @ 100 MHz 1 turn97 Ω
Impedance @ 100 MHz 2 turns400 Ω
Impedance @ 25 MHz 2 turns250 Ω
Material4 W 1500 
Design Kit
Alpha-Rack
WE-TOF
74270191
33.4 mm, 61 mm, 35.5 mm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Cable Diameter Max.33.4 mm
Outer Diameter61 mm
Inner Diameter35.5 mm
Length20 mm
Impedance @ 25 MHz 1 turn97 Ω
Impedance @ 100 MHz 1 turn156 Ω
Impedance @ 100 MHz 2 turns650 Ω
Impedance @ 25 MHz 2 turns390 Ω
Material4 W 620 
Design Kit
Alpha-Rack

Assortments

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