🌐EnglishEnglishDeutschEspañolFrançaisTiếng ViệtРусскийالعربيةEntityQ7888954· pop 11· linked from 290 articlesbeam tetrodetype of tetrode vacuum tubeWikidata factsSubclass ofvacuum tubeImageBeam Pentode Cross Section-en.svgHas useelectronic amplifierShow 1 more factP1889pentodevia Wikidata · CC0Connectionsvacuum tubeEntityMOSFETEntityCategoriesVacuum tubes