3L were founded in 1977 and specialise in the manufacture of inductive devices utilising their automatic production facilities in Taipei, Florida, Ling Shan, Zong Shan and Suzhou.
Production now runs to about 200 million pces a month, comprising:-
Axial DIP Inductors 40kk
Radial DIP Inductors 15kk
Moulded SMD Power Chokes 10kk
SMT Power Chokes 50kk
SMT Wound Chips 12kk
UPI/HPI (High Power Inductors) 36kk
Other Coils and Inductors 10kk
Applications for their products are many and varied including Automotive, Comms, Lighting, PSU and more recently Smart Home Electronics.
With ever increasing uses 3K customer approvals are Global and include:-
Bosch, CTS, Everlight, Lenovo, Logitech, Osram, Panasonic and Sanyo to name just a few.
DMTL have dealt directly with 3L since 2013 when a large UK manufacturer of Secure Door Entry products approached DMTL with the challenge of developing and then supplying an extremely High Current SMD Inductor. Subsequent Design successes include a Global Wireless manufacturer, PSU and DC/DC companies as well as more recent developments in AECQ.
Date of Incorporation
Number of Employees
Factory Floor Space
82,000 Sq Ft
ISO/TS 16949 SGS, ISO 14001:2004 SGS, ISO 9001:2008 SGS, OBJY8, IQC080000:IECQ-H