Flat Cable Ferrite Cores

Flat cable ferrite cores are made from the ceramic material ferrite and are used to eliminate noise on flat cables, such as flat ribbon cables. Ferrite cores help to prevent electromagnetic and radio frequency interference, which can otherwise cause problems for low-level signals.

Applications for flat cable ferrite cores

Flat cable ferrite cores are easy to attach to cables. You can simply thread the device over your cable and then apply the plug connectors that are usually provided. The ferrite core is held in position with heat-shrink sleeving, a metal clamp or adhesive tape, or you can glue it in place instead.

Flat cable ferrite cores are most commonly used in the cores of radio frequency transformers in applications such as switched-mode power supplies and ferrite antennas for AM radio receivers.

Features and benefits of flat cable ferrite cores

  • High magnetic permeability, which means they can support the formation of an internal magnetic field.
  • Low electrical conductivity, which helps to prevent eddy currents (loops of current induced within conductors by a changing magnetic field).

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Description Price Maximum Number of Wires Type Application Material Outer Dimensions Inner Dimensions Openable Inner Height Inner Width Outer Depth Outer Height Outer Width
RS Stock No. 257-4272
Mfr. Part No.RFP-1-20-25-A5
BrandRichco
MYR32.19
Each
units
20 Split Core EMI Emission Attenuation A5 38 x 6.35mm 26.6 x 0.8mm Yes 0.8mm 26.6mm - 6.35mm 38mm
RS Stock No. 291-9760
Mfr. Part No.7427206
MYR75.80
Each
units
26 Split Core Flat Cable 4W620 59 x 28.5mm 45 x 1.3mm Yes 1.3mm 45mm - - 59mm
RS Stock No. 173-0005
Mfr. Part No.2643163851
BrandFair-Rite
MYR20.129
Each (In a Box of 216)
units
20 EMI Suppression - - 38.1mm 26.65 x 1.9mm - 1.9mm 26.65mm - 12.05mm 38.1mm
RS Stock No. 163-3142
Mfr. Part No.74272592
MYR36.345
Each (In a Tray of 40)
units
40 Split Flat Core RFI Suppression 4W620 13 x 63 x 15mm - Yes 2mm 52mm 13mm 15mm 63mm
RS Stock No. 257-4323
Mfr. Part No.RFS1-15-12-A5
BrandRichco
MYR12.47
Each
units
15 Flat Cable Core EMI Suppression A5 12 x 23.3 x 3mm - - 0.9mm 20mm 12mm 3mm 23.3mm
RS Stock No. 163-3219
Mfr. Part No.7427809
MYR9.009
Each (In a Tray of 128)
units
12 - - Ferrite 21 x 8 x 5mm 17 x 0.8mm - 0.8mm 17mm 8mm 5mm 21mm
RS Stock No. 811-8941
Mfr. Part No.ESD-FPL-7
BrandKEMET
MYR3.488
Each (In a Bag of 5)
units
- Solid Core Consumer Electronics Ferrite 28 x 7 x 7.7mm 23.5 x 1.5mm - 1.5mm 23.5mm 7mm 7.7mm 28mm
RS Stock No. 811-8904
Mfr. Part No.ESD-FPD-40
BrandKEMET
MYR34.48
Each
units
40 Split Core Consumer Electronics Ferrite 68 x 12.7 x 10mm 56 x 2mm - 2mm 56mm 12.7mm 10mm 68mm
RS Stock No. 163-3205
Mfr. Part No.7427216
MYR9.33
Each (In a Tray of 100)
units
40 - General Electronics 4 W 620 57.9 x 7mm 52 x 1.5mm - 1.5mm 52mm - 7mm 57.9mm
RS Stock No. 124-1551
Mfr. Part No.7427220
MYR13.95
Each (In a Pack of 5)
units
21 - Digital Device, Flat Cable 4 W 620 33.5 x 20 x 6.5mm 28 x 1.3mm - 1.3mm 28mm 20mm 6.5mm 33.5mm
RS Stock No. 169-6765
Mfr. Part No.ESD-FPD-50-1
BrandKEMET
MYR22.58
Each (In a Box of 240)
units
50 Split Core Consumer Electronics Ferrite 80 x 12.7 x 10mm 68.6 x 2mm - 2mm 68.6mm 12.7mm 10mm 80mm
RS Stock No. 260-6593
Mfr. Part No.74272590
MYR43.85
Each
units
26 Split Flat Core RFI Suppression 4W620 13 x 45 x 28.5mm 34 x 2mm Yes 2mm 34mm 13mm 28.5mm 45mm
RS Stock No. 124-1550
Mfr. Part No.7427225
MYR6.87
Each (In a Pack of 5)
units
13 - Digital Device, Flat Cable 4 W 1500 23.8 x 7 x 6.3mm 18.8 x 1.1mm - 1.1mm 18.8mm 7mm 6.3mm 23.8mm
RS Stock No. 260-6616
Mfr. Part No.74272592
MYR33.64
Each
units
40 Split Flat Core RFI Suppression 4W620 13 x 63 x 15mm - Yes 2mm 52mm 13mm 15mm 63mm
RS Stock No. 811-8907
Mfr. Part No.ESD-FPD-16-1
BrandKEMET
MYR25.60
Each
units
16 Split Core Consumer Electronics Ferrite 37 x 12.7 x 10mm 25.4 x 2.6mm - 2.6mm 25.4mm 12.7mm 10mm 37mm
RS Stock No. 163-3524
Mfr. Part No.7427217
MYR8.658
Each (In a Tray of 100)
units
26 Flat Cable Core General Electronics 4 W 620 40 x 6.5mm 34.8 x 1.3mm - 1.3mm 34.8mm - 6.5mm 40mm
RS Stock No. 261-8811
Mfr. Part No.RSSC 33.5-12
BrandRichco
MYR30.11
Each
units
21 Fixed RFI Suppression Ferrite 33.5 x 12 x 6.5mm 27 x 1.3mm - 1.3mm 27mm 12mm 6.5mm 33.5mm
RS Stock No. 124-1525
Mfr. Part No.7427212
MYR9.86
Each (In a Pack of 5)
units
21 - Digital Device, Flat Cable 4 W 620 33.5 x 12 x 6.5mm 28 x 1.3mm - 1.3mm 28mm 12mm 6.5mm 33.5mm
RS Stock No. 169-6764
Mfr. Part No.ESD-FPD-16-1
BrandKEMET
MYR24.838
Each (In a Box of 800)
units
16 Split Core Consumer Electronics Ferrite 37 x 12.7 x 10mm 25.4 x 2.6mm - 2.6mm 25.4mm 12.7mm 10mm 37mm
RS Stock No. 169-6768
Mfr. Part No.ESD-FPL-7
BrandKEMET
MYR3.468
Each (In a Box of 90)
units
- Solid Core Consumer Electronics Ferrite 28 x 7 x 7.7mm 23.5 x 1.5mm - 1.5mm 23.5mm 7mm 7.7mm 28mm
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