Resistor Symbols

Resistor, general symbol (IEC)

Series resistor and path shortcircuited (IEEE)

Potentiometer with movable contact (IEC)

Symmetrical varistor (intrinsic) (IEEE)



Resistor, general symbol (IEEE)

Resistor, adjustable (IEC)

Potentiometer with movable contact and pre-set adjustment (IEC)

Light dependent resistor (LDR); Photo resistor
Resistor with fixed tappings (IEC)

Adjustable or continuously adjustable (variable) resistor (IEEE)

Resistor with preset adjustability (ISO)

Symmetrical photoconductive transducer (resistive) (IEEE)
Tapped resistor (IEEE)

Resistor with continuous adjustability (ISO)

Carbon-pile resistor (IEC)

Magnetoresistor (IEC)

Resistor with separate current and voltage terminals (shunt)

Resistor with movable contact (IEC)

Resistor with adjustability in five steps (ISO

Magnetoresistor (intrinsic) (linear type shown) (IEEE)

Shunt resistor (IEEE)

Resistor with adjustable contact (IEEE)

Resistor with nonlinear inherent variability (ISO)

Thermistor with positive temperature coefficient (PTC)



Heating element (IEC, ISO)

Resistor with movable contact and off position (IEC)

Nonlinear resistor (intrinsic) (IEEE)

PTC thermistor (IEC)
Series resistor and path open (IEEE)

Resistor with adjustable contact and OFF position

Resistor, voltage dependent (Varistor) (IEC)

Thermistor with negative temperature coefficient (NTC) (IEEE)