🌐EnglishEnglishDeutschFrançaisNederlandsPolskiРусскийالعربيةEntityQ2620762· pop 18· linked from 280 articlespentagridAlso known as heptodevacuum tube with seven electrodes – cathode, anode, and five gridsAvailable in 17 languagesFrançaisDeutschРусскийالعربيةArmenianBulgarianCzechDanishKazakhLatvianMacedonianConnectionsvacuum tubeEntityMOSFETEntityCategoriesFrequency mixersVacuum tubes