Core Master Enterprise Co., Ltd. - A professional power inductor, choke coil, EMI filter manufacture.

Common Mode Choke Coils | Core Master - EMI Filters

Core Master BTC1909 common mode choke coils deliver robust EMI filtering with 120-10000µH inductance and 1.4-12A rated current for wireless charging and power equipment.

Premium Common Mode Choke Coils for Robust EMI Filtering

Wire-wound common mode choke coils engineered for high-load circuits with superior EMI suppression and compact design

Common Mode Choke Coils - Common Mode Choke Coils
  • Common Mode Choke Coils - Common Mode Choke Coils

Common Mode Choke Coils

BTC1909

BTC1909 offers robust EMI filtering for high‑load circuits, meeting strict stability and anti‑interference standards in demanding applications.

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Inductance / Impedance

120-10000 (µH)

Rated Current

1.4-12 (A)

Features
  • High rated currents, reduced components height.
  • Wire wound construction common mode choke with best EMI suppression effect high impedance.
Applications
  • Wireless charging devices.
  • Power equipment.
Dimensions (UNIT: mm)

A 19.56 (MAX) m/m
B 17.30 (MAX) m/m
C 10.50 (MAX) m/m
D 11.30 (REF) m/m
E 16.51 (REF) m/m

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Customized inductor, choke, coil, and ferrite core.

How can you ensure your wireless charging devices meet strict EMI compatibility standards while maintaining compact circuit designs?

Core Master's BTC1909 common mode choke coils deliver exceptional EMI suppression through wire-wound high-impedance construction with reduced component height—perfect for wireless charging applications. With inductance options from 120-10,000µH and rated currents up to 12A, these chokes provide the robust filtering your charging devices need while optimizing board space. Contact our engineering team to discuss customized solutions that meet your specific EMI requirements and performance specifications.

Manufactured with over 40 years of specialized expertise, Core Master's common mode choke coils benefit from rigorous RoHS certification and SGS quality assurance, ensuring consistent performance across production batches. The wire-wound construction provides superior EMI suppression characteristics compared to alternative technologies, while the comprehensive inductance and current ratings accommodate diverse application requirements. Whether you require standard specifications or fully customized solutions, Core Master's professional engineering team delivers technical support and reliable lead times backed by maintained material inventory. Choose Core Master for common mode choke coils that combine proven reliability, competitive pricing, and the deep passive component expertise your power equipment and wireless charging applications demand.