Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

PNP-DARPNP Darlington transistor: original educational illustration
Symbols

PNP Darlington transistor

Two PNP transistor stages connected as a compound current-amplifying device.

Drawing use
Schematic
Application
Electronic components
Reference family
Manufacturer

A distinction that matters

A PNP Darlington has opposite operating polarity to an NPN pair; gain alone does not define an interchangeable device.

Full reference
PNPPNP bipolar transistor: original educational illustration
Symbols

PNP bipolar transistor

A bipolar transistor with base, collector and emitter terminals arranged for PNP operation.

Drawing use
Schematic
Application
Electronic components
Reference family
Manufacturer

A distinction that matters

PNP polarity differs from NPN; mirrored graphics do not change a transistor's type or package pin assignment.

Full reference

Original educational previews. Follow the source references on each full entry for the appropriate standard or selected product.

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