Essentra A5 Openable Flat Cable Ferrite, 20 max. wires, Split Core 800 μm 26.6 mm
- RS Stock No.:
- 257-4272
- Distrelec Article No.:
- 304-09-421
- Mfr. Part No.:
- RFP-1-20-25-A5
- Brand:
- Essentra
Bulk discount available
View bulk pricing optionsSubtotal (1 unit)*
£9.30
(exc. VAT)
£11.16
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- Plus 150 unit(s) shipping from 19 October 2026
- Plus 75 unit(s) shipping from 27 January 2027
- Plus 75 unit(s) shipping from 10 March 2027
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 24 | £9.30 |
| 25 - 49 | £8.64 |
| 50 - 99 | £7.82 |
| 100 - 249 | £7.15 |
| 250 + | £6.31 |
*price indicative
- RS Stock No.:
- 257-4272
- Distrelec Article No.:
- 304-09-421
- Mfr. Part No.:
- RFP-1-20-25-A5
- Brand:
- Essentra
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Essentra | |
| Product Type | Flat Cable Ferrite | |
| Maximum Number of Wires | 20 | |
| Sub Type | Split Core | |
| Application | EMI Emission Attenuation | |
| Minimum Frequency | 25MHz | |
| Internal Width | 26.6mm | |
| Material | A5 | |
| Internal Height | 800μm | |
| Impedance at 100 MHz | 175Ω | |
| Maximum Frequency | 100MHz | |
| Openable | Yes | |
| External Depth | 25.4mm | |
| External Height | 6.35mm | |
| External Width | 38mm | |
| Gapped | No | |
| Standards/Approvals | No | |
| Select all | ||
|---|---|---|
Brand Essentra | ||
Product Type Flat Cable Ferrite | ||
Maximum Number of Wires 20 | ||
Sub Type Split Core | ||
Application EMI Emission Attenuation | ||
Minimum Frequency 25MHz | ||
Internal Width 26.6mm | ||
Material A5 | ||
Internal Height 800μm | ||
Impedance at 100 MHz 175Ω | ||
Maximum Frequency 100MHz | ||
Openable Yes | ||
External Depth 25.4mm | ||
External Height 6.35mm | ||
External Width 38mm | ||
Gapped No | ||
Standards/Approvals No | ||
- COO (Country of Origin):
- TW

Ferrite cores for ribbon cables - RFP series, split
Split ferrite cores with metal clip to attach to ribbon cables after assembly, simple attachment to cables that are already installed or provided with plug connectors. For use in office and digital devices to attenuate interfering influences in data cables.
Related links
- Essentra A5 Openable Flat Cable Ferrite Split Core 0.8 mm 34.4 mm
- KEMET Ferrite Openable Flat Cable Ferrite Split Core 2.6 mm 25.4 mm
- KEMET Ferrite Openable Flat Cable Ferrite Split Core 2 mm 48.3 mm
- Wurth Elektronik 4W620 Openable Flat Cable Ferrite EMI Suppression 26.6 mm
- Essentra A5 Flat Cable Ferrite Flat Cable Core 1 mm 27 mm
- Essentra A5 Flat Cable Ferrite Flat Cable Core 0.9 mm 20 mm
- Wurth Elektronik 4W620 Openable Flat Cable Ferrite Split Flat Core 2 mm 52 mm
- Wurth Elektronik 4W620 Openable Flat Cable Ferrite Split Flat Core 2 mm 34 mm
