PCB
What is Field Effect Transistor?
Definition
A voltage-controlled semiconductor switch that uses an electric field to regulate current flow. FETs include MOSFETs and JFETs, used in drive gate circuits, signal conditioning, and low-power control electronics.
Related Terms
MOSFET
Metal-Oxide-Semiconductor Field-Effect Transistor — a voltage-controlled power s...
IGBT (Insulated Gate Bipolar Transistor)
A high-power semiconductor switch used in drives and inverters to convert DC bus...
Gate Driver
A circuit that amplifies control signals to switch power semiconductors (IGBTs, ...
Need help with Field Effect Transistor?
Our engineers have 32+ years of experience diagnosing and repairing pcb equipment. Get expert support for your field effect transistor issues.
Back to Full Glossary502 terms across all categories