What is Darlington Pair?

Definition

A compound transistor configuration using two BJTs to achieve very high current gain. Darlington pairs are found in PLC output modules, relay drivers, and motor control circuits where a small signal must switch a large load.

Related Terms

Bipolar Junction Transistor

A three-terminal semiconductor device (NPN or PNP) that amplifies or switches el...

Relay Output

A PLC or drive output type that uses an electromechanical relay to switch extern...

Gate Driver

A circuit that amplifies control signals to switch power semiconductors (IGBTs, ...

Browse all PCB terms (34)

Previous in PCBCrystal Oscillator Next in PCBDifferential Amplifier

Need help with Darlington Pair?

Our engineers have 32+ years of experience diagnosing and repairing pcb equipment. Get expert support for your darlington pair issues.

Contact Our Experts Send a Repair Job

Back to Full Glossary502 terms across all categories