Essentra A5 Flat Cable Ferrite, 20 max. wires, Flat Cable Core 1 mm 27 mm
- RS Stock No.:
- 257-4339
- Mfr. Part No.:
- RFS2-20-12-A5
- Brand:
- Essentra
Bulk discount available
Subtotal (1 unit)*
£4.21
(exc. VAT)
£5.05
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 220 unit(s) ready to ship from another location
- Plus 110 unit(s) shipping from 14 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 24 | £4.21 |
| 25 - 99 | £4.07 |
| 100 - 249 | £3.93 |
| 250 - 499 | £3.69 |
| 500 + | £3.58 |
*price indicative
- RS Stock No.:
- 257-4339
- Mfr. Part No.:
- RFS2-20-12-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 | Flat Cable Core | |
| Minimum Frequency | 25MHz | |
| Internal Width | 27mm | |
| Application | EMI Suppression | |
| Material | A5 | |
| Impedance at 100 MHz | 75Ω | |
| Internal Height | 1mm | |
| Maximum Frequency | 100MHz | |
| Openable | No | |
| External Depth | 12mm | |
| Gapped | No | |
| External Width | 31mm | |
| External Height | 5mm | |
| Standards/Approvals | No | |
| Select all | ||
|---|---|---|
Brand Essentra | ||
Product Type Flat Cable Ferrite | ||
Maximum Number of Wires 20 | ||
Sub Type Flat Cable Core | ||
Minimum Frequency 25MHz | ||
Internal Width 27mm | ||
Application EMI Suppression | ||
Material A5 | ||
Impedance at 100 MHz 75Ω | ||
Internal Height 1mm | ||
Maximum Frequency 100MHz | ||
Openable No | ||
External Depth 12mm | ||
Gapped No | ||
External Width 31mm | ||
External Height 5mm | ||
Standards/Approvals No | ||
- COO (Country of Origin):
- TW

Ferrite cores for ribbon cables, RFS series, non-split
Non-split ferrite cores for 15 → 38-pin ribbon cables to use as filters for common mode interferences and to attenuate interferences in data cables.
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