ELECTRICALResources / Electrical symbols / SemiconductorsUpdated 29 Oct 2026

PNP transistor symbol

Also called Bipolar transistor, BJT

A PNP bipolar transistor, the complement of the NPN. The arrow on the emitter points in, towards the base.

ANSI / IEEE
IEC 60617

What the PNP transistor symbol means

A PNP bipolar transistor, the complement of the NPN. The arrow on the emitter points in, towards the base.

ANSI and IEC symbols

ANSI / IEEE 315

The emitter arrow points in towards the base, usually inside a circle.

ANSI SVG
IEC 60617

PNP transistor. The same lines and inward arrow, usually without the circle.

IEC SVG

Where you see it

High-side switching, complementary output stages and current sources.

What is written next to it

On a schematic, the PNP transistor usually carries its designator and part number, such as Q2 BC557.

Frequently asked questions

What does the PNP transistor symbol look like?

On ANSI drawings: The emitter arrow points in towards the base, usually inside a circle. In IEC 60617: The same lines and inward arrow, usually without the circle.

Is the PNP transistor symbol the same in IEC and ANSI?

No. The same lines and inward arrow, usually without the circle.

Where is a PNP transistor used?

High-side switching, complementary output stages and current sources.

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