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Coilmaster Co., Ltd.
South Korea
Passive Components: High-spec resistors, capacitors, and inductors
Power Supplies & Converters: AC/DC, DC/DC, and battery management systems
Rare Earth & Magnetic Materials: Neodymium magnets and soft magnetics
Sensors & Transducers: MEMS, pressure, optical, and environmental sensors
Thermal Management: Heatsinks, Peltier elements, and industrial fans

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Coilmaster Co., Ltd. was established in 1996 and is a major South Korean manufacturer of magnetic passive components. The company operates domestic headquarters and manufacturing facilities, including an R&D Center and plant in Wanju-gun/Jeonju, Jeollabuk-do, complemented by overseas plants in China and Thailand.

Coilmaster specializes in automated production lines for inductors, common mode chokes, and line transformers, serving high-volume applications in automotive electronics, computing (VRM, DDR5), AI server infrastructure, and consumer electronics.

Offer

Coilmaster develops and manufactures high-spec magnetic inductive components:

  • Power Inductors: Metal molded power inductors (such as the CMMP and CMMPF series), ultra-compact surface-mount power inductors, high-current inductors for AI servers and VRM applications, and multi-hole PowerBead inductors.
  • Automotive Inductive Components: AEC-Q200 qualified power inductors, Power-over-Coax (PoC) inductors, and specialized inductors for automotive lighting, infotainment, and advanced driver assistance systems (ADAS).
  • EMC Components & Common Mode Filters: SMD common mode filters for CAN-BUS, USB, and high-speed differential signal lines.
  • Transformers & RF Coils: High-frequency transformers, power line filters, Class-D audio amplifier inductors, and power factor correction (PFC) inductors for EV chargers.

Tags

transformers
power inductors
emc filters
common mode chokes
metal molded inductors
choke coils
automotive magnetics
Industrial Specializations: Passive Components: High-spec resistors, capacitors, and inductors, Power Supplies & Converters: AC/DC, DC/DC, and battery management systems, Rare Earth & Magnetic Materials: Neodymium magnets and soft magnetics, Sensors & Transducers: MEMS, pressure, optical, and environmental sensors, and Thermal Management: Heatsinks, Peltier elements, and industrial fans
Headquarter/main address: B-1301 Daebang Triplaon Biz Tower, 158 Haneulmaeul-ro, Ilsandong-gu
Goyang-si
Gyeonggi-do 10355
South Korea
Get Directions
https://coilmaster.com
Business Type: Manufacturer
Ownership: Private
Turnover: €10M - €50M
Employees: 100 - 249
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