Ferrite sheets, absorber sheets and magnetic films — for on-metal NFC/RFID, wireless power and board-level noise suppression. Standard or die-cut to your drawing, small batches welcome, and non-magnetized product that ships as regular goods worldwide.
Late-stage EMC and RF problems are expensive. These are the ones engineering teams bring to us most often.
Mount an NFC/RFID antenna on metal and read range collapses. Without a ferrite layer redirecting the flux between antenna and metal, your 13.56 MHz link falls below what the application promises.
Radiated or conducted emissions discovered at certification force redesigns when tooling is already locked. The right absorber sheet, placed correctly, often closes the gap without touching the PCB.
Poor magnetic shielding behind the coil wastes energy, heats the device and interferes with nearby circuits. Charging efficiency depends on the sheet behind the coil as much as the coil itself.
Consumer and industrial electronics leave fractions of a millimeter for magnetic materials. Sheet performance at 0.05–0.5 mm — plus adhesive and die-cut quality — decides what fits.
Find your situation in the map. If two rows look right, send us both — we'll help you choose with data, not guesswork.
| Your situation | What matters | XAK series |
|---|---|---|
| NFC / RFID anti-metal tags & antennas — read range collapsed on metal at 13.56 MHz | High μ′, very low loss (μ″) at 13.56 MHz; thin enough for your stack-up | XAK-NFC |
| Wireless charging — low efficiency, heat, Qi at 100–205 kHz or 6.78 MHz | Low-loss sheet behind the coil; thickness vs. coupling trade-off | XAK-WPT |
| PCB noise suppression — failed RE/CE at the lab, no time to re-spin the board | High μ″ broadband absorption, 100 MHz–3 GHz; right placement over the noise source | XAK-ABS |
| Low-frequency magnetic fields — 50 Hz–kHz interference near sensors, motors, transformers | Very high permeability at power frequency — nanocrystalline territory | XAK-MSH (on request) |
Four series cover the frequency range from power-line hum to multi-GHz noise. All available as roll stock, cut sheets, or die-cut to your drawing.
| Series | Designed for | Permeability (typical) | Thickness | Operating temp |
|---|---|---|---|---|
| XAK-NFC | NFC / RFID flux redirection at 13.56 MHz | μ′ 50–150, μ″ ≤ 5 @ 13.56 MHz | 0.05–0.30 mm | −40 to +85 °C (+120 °C option) |
| XAK-WPT | Wireless power transfer coils | μ′ 20–150, low loss at 100–205 kHz / 6.78 MHz | 0.05–0.50 mm | −40 to +85 °C (+120 °C option) |
| XAK-ABS | Broadband EMI noise suppression | μ′ 20–300 @ 3 MHz, high μ″ loss; effective 100 MHz–3 GHz (to 6 GHz) | 0.05–0.50 mm | −40 to +110 °C |
| XAK-MSH | Low-frequency magnetic shielding (on request) | Nanocrystalline, very high μ at 50 Hz–kHz | ≈0.12 mm | per specification |
Typical values for material selection reference. RoHS compliant; halogen-free options available. Permeability curves and batch test data available on request — final specifications are confirmed with our team before design freeze.
Standard sheets are available — but most of our customers send a shape, and receive parts that drop straight into their assembly.
Related products: Soft Magnetic & EMI Materials | Guide: NFC Ferrite Sheet Guide →
The complete selection guide: application map, series parameters, delivery formats, bench-test checks and RFQ checklist. Pin it next to your CAD station.
You don't need a perfect specification to start. Send what you have — our engineers will fill the gaps with you.
Application & frequency — NFC at 13.56 MHz? Failing at 430 MHz? Qi charging? One sentence is enough
Dimensions & thickness limit — drawing for die-cut parts, or sheet/roll size
Adhesive & film options — adhesive backing, PET cover, release liner, or plain material
Quantity — samples now + estimated annual volume
Environment — operating temperature, bending/curved surface, compliance needs
Timeline — target dates for samples and production
We respond within 24 hours — with a material recommendation, not just a price list.
Request a Material Recommendation → info@xakmag.com