4000uH 11Amps nanocrystalline common mode choke | Magnetic components | Transformer, Inductor, Choke Manufacturer | Coilmaster Electronics
Nanocrystalline Common Mode Choke – 4000 µH, 11A Irms (40.5 × 25 × 37 mm)
Built with a high-permeability nanocrystalline core, this common mode choke delivers strong EMI suppression across a wide frequency range.
Its 40.5 × 25 × 37 mm footprint provides room for a 4000 µH inductance while maintaining an 11A Irms current rating, making it suitable for AC/DC power lines, SMPS designs, motor drives, EV charging systems, and other high-noise industrial or energy applications.
Many engineers encounter EMI issues when ferrite chokes lose inductance at high temperatures or fail to provide enough attenuation at higher frequencies.
Compared with a Mn-Zn ferrite choke of the same size, a nanocrystalline design can typically achieve around 20% higher current capability while also reducing DCR by roughly 30%, thanks to its higher μ and lower core loss.
This helps maintain stable performance from –40°C to 150°C and significantly improves the chances of passing EMC tests on the first attempt.
If your project requires different inductance values, specific impedance shapes, AEC-Q compliant materials, or a customized winding structure, our engineering team can assist with rapid prototyping and tailored magnetic designs.
Feel free to reach out for drawings, impedance curves, or a customized nanocrystalline choke solution for your power or EMI filtering application. Coilmaster Electronics is a high-current 4000uH 11Amps nanocrystalline common mode choke, 4000uH 11Amps wideband EMI suppression choke manufacturer from Taiwan since 1995. Coilmaster offers AEC-Q200 certified, high-efficiency power inductors, chokes, and transformers. Specializing in low-loss, high-current components for Automotive, 5G, and Industrial applications. Contact our experts for instant support. With more than 20 years of experience in magnetic territory, Coilmaster Electronics is specialized in the production of SMD power inductors, common mode choke, high frequency transformers.
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4000uH 11Amps nanocrystalline common mode choke
CMT3010BNA-402-11A-LF
4000uH 11Amps wideband EMI suppression choke
Nanocrystalline Common Mode Choke – 4000 µH, 11A Irms (40.5 × 25 × 37 mm)
Built with a high-permeability nanocrystalline core, this common mode choke delivers strong EMI suppression across a wide frequency range.
Its 40.5 × 25 × 37 mm footprint provides room for a 4000 µH inductance while maintaining an 11A Irms current rating, making it suitable for AC/DC power lines, SMPS designs, motor drives, EV charging systems, and other high-noise industrial or energy applications.
Many engineers encounter EMI issues when ferrite chokes lose inductance at high temperatures or fail to provide enough attenuation at higher frequencies.
Compared with a Mn-Zn ferrite choke of the same size, a nanocrystalline design can typically achieve around 20% higher current capability while also reducing DCR by roughly 30%, thanks to its higher μ and lower core loss.
This helps maintain stable performance from –40°C to 150°C and significantly improves the chances of passing EMC tests on the first attempt.
If your project requires different inductance values, specific impedance shapes, AEC-Q compliant materials, or a customized winding structure, our engineering team can assist with rapid prototyping and tailored magnetic designs.
Feel free to reach out for drawings, impedance curves, or a customized nanocrystalline choke solution for your power or EMI filtering application.
Customization
Our nanocrystalline common mode choke platform also supports a wide range of customization options for engineers who need precise electrical behavior.
Depending on the target EMI profile, we can fine-tune the Z-impedance curve, modify the inductance value, or increase the current rating whenever winding space permits.
For applications requiring lower copper loss or improved thermal stability, the coil can also be redesigned using flat-wire winding to reduce DCR and enhance high-current performance.
In addition to the standard core size, we offer larger magnetic cores, alternative material grades, and custom geometries to meet demanding EMC, temperature, or frequency requirements.
Because our team has extensive experience in nanocrystalline magnetic design, we are able to adjust the alloy characteristics and core construction to create different electrical behaviors within the same physical size—allowing customers to optimize performance without changing their mechanical layout.
If your project requires a specific inductance target, current capability, leakage profile, or impedance spectrum, we can support rapid evaluation and provide a tailored magnetic solution that matches your system’s EMI and thermal constraints.
Leadtime
Coilmaster’s standard lead time is 6~8 weeks, in urgent case, the fast delivery program is available. For specific product series, we could send out the goods within 10 or 20 working days.
Key features
- High-Permeability Nanocrystalline Core
- Low Core Loss & Stable Performance
- Low DCR & High Current Capability
- Customizable Inductance & Impedance Curve
- Multiple Winding & Core Options
Applications
- AC/DC Power Supplies & SMPS
- EV Chargers & Battery Management Systems
- Motor Drives & Industrial Automation
- Renewable Energy Inverters
- Communication & Networking Equipment
Construction
- Common Mode Choke
Size(mm)
- 40.5x25x37
Inductance(uH)
- 4000
Inductance tolerance
- ±50%/30%
Test Frequency(MHz)
- 0.1
Irms(A)
- 11
DCR(mΩ)
- 9.1
Additional Notes
Hi-Pot : 1500 (V)
Rated Voltage : 250 (V)
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4000uH 11Amps nanocrystalline common mode choke | Magnetic components | Transformer, Inductor, Choke Manufacturer | Coilmaster Electronics
Located in Taiwan since 1995, Coilmaster Electronics Co., Ltd. has been a manufacturer of magnetic components. Its main magnetic components include, 4000uH 11Amps nanocrystalline common mode choke, common mode chokes, SMD molding power chokes, chock coil inductors, SMD shielded and semi-shielded power inductors, low profile and high current power inductors, high voltage power inductors, ethernet and LAN power transformers, flat wire inductors, RJ45 jacks with integrated magnetics and high frequency transformers, and ceramic or air coil multilayer chip inductors.
Coilmaster offers AEC-Q200 certified, high-efficiency power inductors, chokes, and transformers. Specializing in low-loss, high-current components for Automotive, 5G, and Industrial applications. Contact our experts for instant support. With more than 20 years of experience in magnetic territory, Coilmaster Electronics is specialized in the production of SMD power inductors, common mode choke, high frequency transformers.
Coilmaster Electronics has been providing customers with high current power inductors since 1995, with both advanced technology and 29 years of experience, Coilmaster Electronics ensures that each customer's requirements are met.