RIFA AB (originally an abbreviation for Radioindustrins Fabrik Aktiebolag) was a Swedish electronics manufacturer of resistors and capacitors, which was established in 1942. During World War II, RIFA manufactured parts for the Swedish radio industry. In 1947, it became incorporated into Telefonaktiebolaget LM Ericsson. Later, in 1988, it became Ericsson Components, followed by Ericsson Microelectronics in 2000. The company made hybrid components for telephone exchanges for the joint venture company between Ericsson and Televerket.