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Resistor Symbols

The resistors are elecrical passive components manufactured specifically to provide a given value of resistance to the passage of electric current. Its unit of measurement is the ohm and is represented by the greek letter omega.


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Variables & Adjustable Special resistors Resistor color code Picture gallery Download symbols + Info Resistors
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Adjustable resistor

Symbols of Resistor / Electrical Resistance

Symbol Description Symbol Description
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Resistor IEC system+ Info
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Resistor NEMA system
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Impedance+ Info
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Resistor array e.g. 8 resistors
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Shunt resistor with current and voltage connections
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Resistor with sockets of current
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Resistor with fixed sockets
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Nonreactive resistor
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Not burnable resistor
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Resistor nonreactive
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Protective resistorMakes the function of a fuse
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Attenuator+ Info
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Protective resistorMakes the function of a fuse
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Memristor Memory resistor+ Info
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Heating element+ Info
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Heating element

Symbols Variable & Adjustable Resistors



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Variable resistor Rheostat / Potentiometer+ Info
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Variable resistor Rheostat / Potentiometer
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Continuously variable resistor
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Stepwise variable resistor
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Stepwise variable resistor
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Potentiometer
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Adjustable resistor Pre-set rheostat+ Info
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Linear potentiometerPotentiometer with moving contact+ Info
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Adjustable resistor Pre-set rheostat
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Potentiometer with moving contact and default settings
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Pre-set resistor
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resistor with moving contact and off position
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Variable resistor with carbon discs+ Info

Symbols of Special Resistors





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LDR - Photoresistor Light dependent resistor. By increasing the light intensity decreases resistance+ Info
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LDR - Photoresistor The width is the side exposed to light
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LDR - Photoresistor NEMA system
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LDR - Photoresistor
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NTC Resistor - Thermistor Negative temperature coefficient The resistance decreases with increasing temperature+ Info
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PTC Resistor - Thermistor Positive temperature coefficient The resistance increases with increasing temperature+ Info
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NTC Resistor - Thermistor NEMA system
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VDR - Varistor The voltage-dependent resistor+ Info
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Thermistor+ Info
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VDR - Varistor
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VDR - Varistor The resistance decreases with increasing voltage
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VDR - Varistor
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VDR - Varistor NEMA system
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Magnetic resistor Its resistance depends on magnetic fields
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RTDResistance temperature detector
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RTDResistance temperature detector
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Iron-hydrogen resistor / Barretter+ Info
Picture gallery of resistor Download symbols