🛠️ Invention or technique

Darlington transistor

Transistor Darlington

Date
1953 · confidence high
Place
Bell Labs, Murray Hill, New Jersey, United States
Credited to
Sidney Darlington
Field
Matter & energy

What it is

Darlington cascaded two transistors -the emitter of the first feeding the base of the second- so that the current amplified by one is amplified again by the other, achieving current gains far higher than a single transistor.

What it led to

  • High-power audio amplifier output stages
  • Motor control and touch-sensitive switches
  • High-current voltage regulators
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Sources✓ verified 2026-09-28