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. 257-4288
Mfr. Part No.RFP-1-26-28-A5
BrandRichco
TWD318.00
Each
units
26 Split Core EMI Suppression A5 28.5 x 45 x 6.35mm - Yes 0.8mm 34.4mm 28.5mm 6.35mm 45mm
RS Stock No. 124-1523
Mfr. Part No.7427221
TWD50.90
Each (In a Pack of 10)
units
10 - Digital Device, Flat Cable 3 W 800 18 x 8 x 5mm 14 x 1mm - 1mm 14mm 8mm 5mm 18mm
RS Stock No. 163-3142
Mfr. Part No.74272592
TWD251.70
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. 260-6616
Mfr. Part No.74272592
TWD297.00
Each
units
40 Split Flat Core RFI Suppression 4W620 13 x 63 x 15mm - Yes 2mm 52mm 13mm 15mm 63mm
RS Stock No. 124-1524
Mfr. Part No.7427224
TWD59.60
Each (In a Pack of 5)
units
16 Flat Cable Core General Electronics 4 W 620 28 x 14.6 x 7.7mm 23 x 1.5mm No 1.5mm 23mm 14.6mm 7.7mm 28mm
RS Stock No. 124-1525
Mfr. Part No.7427212
TWD80.20
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. 466-9984
Mfr. Part No.2643163851
BrandFair-Rite
TWD86.00
Each
units
20 EMI Suppression - - 38.1mm 26.65 x 1.9mm - 1.9mm 26.65mm - 12.05mm 38.1mm
RS Stock No. 163-3218
Mfr. Part No.74278032
TWD70.20
Each (In a Tray of 100)
units
20 - - Ferrite 32 x 8 x 5mm 28 x 0.8mm - 0.8mm 28mm 8mm 5mm 32mm
RS Stock No. 163-3219
Mfr. Part No.7427809
TWD72.50
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. 169-6764
Mfr. Part No.ESD-FPD-16-1
BrandKEMET
TWD102.50
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. 260-6672
Mfr. Part No.7427216
TWD84.00
Each
units
40 - General Electronics 4 W 620 57.9 x 7mm 52 x 1.5mm - 1.5mm 52mm - 7mm 57.9mm
RS Stock No. 367-4913
Mfr. Part No.7427247
TWD436.00
Each
units
50 - RFI Suppression PA6.6, 4W620 33.1 x 84.5 x 16mm - Yes - 64.5mm 33.1mm 16mm 84.5mm
RS Stock No. 257-4339
Mfr. Part No.RFS2-20-12-A5
BrandRichco
TWD67.00
Each
units
20 Flat Cable Core EMI Suppression A5 12 x 31 x 5mm - - 1mm 27mm 12mm 5mm 31mm
RS Stock No. 163-3205
Mfr. Part No.7427216
TWD75.90
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. 811-8904
Mfr. Part No.ESD-FPD-40
BrandKEMET
TWD244.00
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. 163-3524
Mfr. Part No.7427217
TWD209.30
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. 741-3071
Mfr. Part No.ZCAT4625-3430D
BrandTDK
TWD131.00
Each
units
26 Clamp Filter Flat Cable 30 Material 45.5 x 24.5 x 12mm 34mm Yes - - 24.5mm 12mm 45.5mm
RS Stock No. 617-1287
Mfr. Part No.7427217
TWD250.00
Each
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. 169-6766
Mfr. Part No.ESD-FPL-20-15
BrandKEMET
TWD40.90
Each (In a Box of 800)
units
20 Solid Core Consumer Electronics Ferrite 33.2 x 15 x 8mm 27 x 1.5mm - 1.5mm 27mm 15mm 8mm 33.2mm
RS Stock No. 257-4272
Mfr. Part No.RFP-1-20-25-A5
BrandRichco
TWD244.00
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