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EMI Filters, Components, Magnetics

API Technologies offers a complete line of coaxial Electromagnetic Interference (EMI) electromagnetic spectrum management solutions, from components to complex assemblies.

Undoubtedly, best known for our Spectrum Control™ line of coaxial EMI components, the company also offers a wide range of ceramic capacitors, filtered connectors, and magnetics for use in a variety of defense, aerospace, industrial, energy, commercial, and medical applications. API also offers comprehensive EMC testing services at an on-site lab to help assist customers in meeting and passing global EMC test standards.  Other featured product brands include: Filtran Group, Keytronics, and Texas Spectrum Electronics.

Founded in 1968, the Spectrum Control Inc. brand is best known for its leading line of Electromagnetic Interference (EMI) filters.
First launched in 1971, the Keytronics Inc. brand of products spans custom magnetic devices, transformers, and custom electronic equipment designed and manufactured in accordance with the requirements of MIL-T-27.
Since 1969, major producers of communications equipment, peripherals, instrumentation, and process control equipment have trusted Filtran® brand electronic components.
API Technologies acquired Texas Spectrum Electronics (TSE) in 2014. The TSE product line includes a wide range of custom application-specific EMI and EMP filtering and surge suppression products.