WTF Forum

2023 - Transistor (BJT)

Last Update: 26.06.2025

Maturity

Basic
Scope
Flow
Cycle
Center
NPN
Periphery
PNP
A Bipolar-Junction-Transistor (BJT) is a three-layer semiconductor device used for amplification and switching. NPN and PNP are two types of BJT, differing in the direction of current flow and doping of the layers.
WARNING: This entry is marked as experimental/in development.