Bipolar junction transistor

Typical individual BJT packages. From top to bottom: TO-3, TO-126, TO-92, SOT-23

NPN BJT with forward-biased E–B junction and reverse-biased B–C junction

Die of a KSY34 high-frequency NPN transistor. Bond wires connect to the base and emitter

A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electron and hole charge carriers. In contrast, unipolar transistors, such as field-effect transistors, only use one kind of charge carrier. For their operation, BJTs use two junctions between two semiconductor types, n-type and p-type.

单词	Bipolar transistors
释义	Bipolar transistors 原声例句科技 Crash Course It has three little wires that connect to three different parts of the silicon, each doped a particular way to create, in this example, what’s called a bipolar junction transistor. 它有三根细线，连接到硅的三个不同部分，每根线都以特定方式掺杂，以创建所谓的双极结型晶体管。英语百科 Bipolar junction transistor A bipolar junction transistor (bipolar transistor or BJT) is a type of transistor that uses both electron and hole charge carriers. In contrast, unipolar transistors, such as field-effect transistors, only use one kind of charge carrier. For their operation, BJTs use two junctions between two semiconductor types, n-type and p-type.
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Bipolar transistors

Bipolar junction transistor