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13726661550
Nanocrystalline Common Mode Inductor
Featuring a nanocrystalline core with high permeability and ultra‑low high‑frequency loss, this common mode inductor provides strong noise suppression across a wide frequency range. It is widely used in switching power supplies, motor drives, EV systems, and industrial equipment for effective EMI filtering and enhanced EMC compliance.
Efficient Common-Mode Interference Suppression
High magnetic permeability (exceeding 45,000 at 100kHz) and high impedance characteristics significantly enhance common-mode noise absorption, achieving more than 30% higher filtering efficiency compared to ferrite cores. A symmetrical winding design provides strong suppression for common-mode signals while minimizing impact on differential-mode transmission, ensuring signal integrity.
Miniaturization & Lightweight Design
High saturation flux density (2–3 times that of ferrite) reduces core volume and coil turns, shrinking device size by over 50%. Utilizing thin-strip nanocrystalline material (~20–30μm thickness) enables compact structures, ideal for high-frequency and highly integrated equipment.
Broadband Adaptability
Frequency response spans 10kHz to MHz range, with excellent high‑frequency impedance performance for demanding applications including inverters, new energy vehicles, and high‑speed power systems.
| Basic Parameters | ||
| Parameters | Description | Typical Values/Ranges |
| Inductance Value | The common-mode inductance directly affects the filtering effect and needs to be matched with the operating frequency of the circuit | Customized according to requirements (μH to mH level) |
| Rated Current | The upper limit of the continuous current to ensure the safe operation of the device | Several amperes to hundreds of amperes |
| Self-resonant frequency (SRF) | After exceeding this frequency, the inductance characteristic will decay and it needs to be higher than the maximum operating frequency of the circuit | 1MHz~10MHz |
| Insertion loss | It characterizes the noise suppression capability, reaching over 40dB at 100kHz | The performance is superior in the high-frequency band |
| Saturation magnetic flux density | The saturation magnetic induction intensity of nanocrystalline materials reaches more than 1.2T, and the ability to resist large current interference is outstanding | ≥1.2T |
Typical Applications:
- New Energy Systems
On-board chargers (OBC), photovoltaic inverters, and DC/DC converters, where high efficiency and compact design are critical. - Industrial Equipment
Frequency converters, high‑power switching power supplies, and UPS systems, offering reliable noise suppression in demanding operating conditions. - Consumer Electronics
High‑frequency power adapters and EMI filtering circuits in smart home appliances, ensuring compliance and stable performance in everyday devices.
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