Reliable low-frequency EMI suppression for adapters, LED drivers, and household electronics | Magnetic components | Transformer, Inductor, Choke Manufacturer | Coilmaster Electronics

Mn-Zn common mode choke with bastplate | Specializing in High Current SMD Inductors, Common Mode Chokes, and High-Frequency Magnetics

5mH 1.5A Mn-Zn Common Mode Choke | High Inductance Ferrite EMI Filter - Mn-Zn common mode choke with bastplate
  • 5mH 1.5A Mn-Zn Common Mode Choke | High Inductance Ferrite EMI Filter - Mn-Zn common mode choke with bastplate

5mH 1.5A Mn-Zn Common Mode Choke | High Inductance Ferrite EMI Filter

CMT1409B-502N-LF

Reliable low-frequency EMI suppression for adapters, LED drivers, and household electronics

For applications that demand stronger low-frequency EMI filtering, higher inductance ferrite chokes provide engineers with additional design margin. Our 5mH / 1.5A Mn-Zn common mode choke in a through-hole package is well-suited for adapters, LED drivers, smart appliances, and compact industrial equipment, where stable EMI suppression is required to pass international compliance standards.

With 5mH inductance and 1.5A current capability, this model targets circuits where low-frequency conducted noise (below 500kHz) is most problematic. The Mn-Zn ferrite core is sourced from qualified suppliers to ensure consistent magnetic properties, reducing parameter drift across production batches. Each unit undergoes 100% Hipot testing and electrical characteristic inspection, ensuring insulation reliability and stable long-term operation.

To guarantee manufacturing consistency, the product is wound on automated winding equipment with high-grade copper wire sourced from global suppliers, maintaining coil precision and insulation strength even under extended high-temperature use. For customers with unique system requirements, we also provide customizable inductance, current ratings, and impedance peak tuning, with short lead times for samples to accelerate design validation.

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)
  • 17.5x13x22
Inductance(uH)
  • 5000
Inductance tolerance
  • ±30%
Test Frequency(MHz)
  • 0.01
Irms(A)
  • 1.5
DCR(mΩ)
  • 120
Additional Notes

Hi-Pot : 1250 (V)
Rated Voltage : 250 (V)

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5mH 1.5A Mn-Zn Common Mode Choke | High Inductance Ferrite EMI Filter | 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, 5mH 1.5A Mn-Zn Common Mode Choke | High Inductance Ferrite EMI Filter, 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.