U.S. authorities introduced sanctions against eleven Russian and international electronics firms over their alleged links to the Ukrainian conflict, the U.S. Department of Commerce announced in a case document, Sputnik reports.

"[U.S.] BIS (Bureau of Industry and Security), pursuant to Executive Order 13661, and in consultation with the Departments of State, Defense, Energy, and the Treasury, has designated… eleven entities," the document said on Tuesday, Setepmerb 6.

The sanctioned companies include affiliates of one of the largest Eastern European manufacturers of integrated circuits Angstrem Group, Foreign Economic Association (FEA), Radio export and microelectronics manufacturer Mikron, among others.

The document has also noted that sanctions have been introduced against Giovan and Technopole companies, which are both registered in Hong Kong and India.

The U.S authorities added the list of electronics companies to dozens of Russian entities sanctioned earlier. Last week, the U.S. Department of the Treasury introduced sanctions related to the conflict in eastern Ukraine against 18 construction, transportation and defense entities operating in Crimea, as well as dozens of Gazprom and Bank of Moscow subsidiaries.