🌐EnglishEnglishDeutschEspañolNederlandsPolskiفارسی한국어中文日本語EntityQ1428898· pop 10· linked from 279 articlesheterojunction bipolar transistortype of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunctionConnectionsvacuum tubeEntityMOSFETEntityCategoriesMicrowave technologyTerahertz technologyTransistor types