What is the speciality of a darlington transistor, Electrical Engineering

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Q. What is the speciality of a darlington transistor?

A darlington pair behaves like a single transistor with a very high current gain. The total gain of the darlington is the product of the gains of the individual transistors.

β_darlington = β₁ * β₂

Besides it takes up less space than using two discrete transistors in the same configuration.

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