Resistor Symbols

Resistor symbols of electrical & electronic circuit diagram - resistor, potentiometer, variable resistor.

Table of resistor symbols

	Resistor (IEEE)	Resistor reduces the current flow.
	Resistor (IEC)
	Potentiometer (IEEE)	Adjustable resistor - has 3 terminals.
	Potentiometer (IEC)
	Variable Resistor / Rheostat (IEEE)	Adjustable resistor - has 2 terminals.
	Variable Resistor / Rheostat (IEC)
	Trimmer Resistor	Preset resistor
	Thermistor	Thermal resistor - change resistance when temperature changes
	Photoresistor / Light dependent resistor (LDR)	Photo-resistor - change resistance with light intensity change

 

Capacitor symbols ►

 

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See also

• Electronic symbols
• Switch symbols
• Capacitor symbols
• Diode symbols
• Transistor symbols
• Resistor

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