8mH 1A Mn-Zn Ferrite Common Mode Choke | THT Package
CMT1205B-802N-LF
Efficient EMI attenuation for IoT devices, audio equipment, and power adapters
Mn-Zn ferrite common mode chokes are widely adopted EMI suppression components for cost-sensitive and high-volume applications. This compact 15x7.5x18mm through-hole package is particularly suitable for IoT devices, audio equipment, power adapters, home appliances, and communication modules. It offers stable attenuation across the 100kHz–1MHz band, effectively reducing switching noise and helping products meet global EMC compliance standards without adding extra cost or bulk.
The 8mH / 1A THT common mode choke is optimized for small and medium power supplies, smart control boards, and consumer electronics. With carefully selected Mn-Zn ferrite cores, the choke delivers consistent common mode noise filtering performance and avoids parameter drift often seen in lower-grade alternatives. Each unit undergoes 100% Hipot and full electrical testing, ensuring insulation safety and dependable electrical performance. Automated winding equipment ensures coil consistency, while high-quality copper wire sourced from leading global manufacturers provides insulation reliability under prolonged operation, even at elevated temperatures.
For IoT devices, compact adapters, audio systems, or household controllers requiring reliable EMI suppression up to 1A, this Mn-Zn ferrite common mode choke provides a cost-effective and dependable solution. Please contact us through the inquiry form on our website, and our team will be glad to support your project with a tailored proposal.
Customization
Due to the solid background of our engineer team at ferrite powder territory, we could modify the core powder, design and produce the most suitable product to fit customer's applications. Except for the standard characteristic of our series specification, Coilmaster Electronics also offer the customization product with low minimum order quantity (MOQ), tighter tolerance, different inductance and frequency applications.
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
- Wideband EMI Suppression
- High Inductance Flexibility
- Cost-Effective Ferrite Material
- Stable & Consistent Quality
- Customization Options
Applications
- Consumer Power Adapters & Chargers
- Home Appliances
- LED Drivers & Lighting Systems
- Industrial Control Boards
- Smart Meters & IoT Devices
Construction
- Common Mode Choke
Size(mm)
- 15x7.5x18
Inductance(uH)
- 8000
Inductance tolerance
- ±30%
Test Frequency(MHz)
- 0.01
Irms(A)
- 1
DCR(mΩ)
- 330
Additional Notes
Hi-Pot : 1250 (V)
Rated Voltage : 250 (V)
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8mH 1A Mn-Zn Ferrite Common Mode Choke | THT Package | 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, 8mH 1A Mn-Zn Ferrite Common Mode Choke | THT Package, 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.





