A bipolar junction transistor is a type of transistor that uses both electrons and holes as charge carriers. Look up bjt or BJT in Wiktionary, the free dictionary. BJT may also refer to: Balanta language (ISO 639: bjt), an Atlantic-Congo language of West Africa Beijing Time, another name for China Standard Time Bentota River Airport (IATA: BJT), Sri Lanka Bhumjaithai Party, a Thai political party Business Japanese Proficiency Test, a test of practical communicative ability in Japanese This disambiguation page lists articles associated with the title BJT.If an internal link led you here, you may wish to change the link to point directly to the intended article.