Transistor Symbols

PNP transistor (IEC)

Unijunction transistor with Ntype base

Junction field effect transistor with Ntype channel

Phototransistor (PNP type)

PNP transistor (IEEE)

Unijunction transistor with Ntype base

Field-effect transistor with N channel

Phototransistor (PNP-type)

NPN transistor (IEC) NPN transistor (IEEE)

NPN transistor with transverse biased base NPN transistor with transverse biased base

Junction field effect transistor with Ptype channel

Darlington transistor (NPNtype)

Field-effect transistor with Pchannel

Insulated gate field effect transistor

IGFET enhancement type, P-type channel

NPN transistor with collector connected to the envelope

PNIP transistor with connection to the intrinsic region

Insulated-gate bipolar transistor (IGBT) enhancement type, P channel

Insulated gate field effect transistor

IGFET, depletion type, P-type channel

NPN avalanche transistor

PNIP transistor with ohmic connection to the intrinsic region

Insulated-gate bipolar transistor (IGBT) enhancement type, N channel

P-channel insulatedgate, depletion-type, single-gate

Unijunction transistor with Ptype base

PNIN transistor with connection to the intrinsic region

Insulated-gate bipolar transistor (IGBT) depletion type, P channel

Insulated gate field effect transistor

IGFET enhancement type, N-type channel

Unijunction transistor with Ptype base

PNIN transistor with ohmic connection to the intrinsic region

Insulated-gate bipolar transistor (IGBT) depletion type, N channel

Insulated gate field effect transistor

IGFET, depletion type, single gate, N-type channel

N-channel insulatedgate, depletion-type, single-gate, passivebulk

Insulated gate field effect transistor

IGFET enhancement type, P-type channel

P-channel insulated-gate, enhancement-type, single-gate

Insulated gate field effect transistor

IGFET enhancement type, N-type channel