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.
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
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.
Related symbols
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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