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Resistors are one form of passive components and one of the most widely used within electronic equipment. Even though they are passive components, they are still used very extensively
Accordingly resistor circuit symbols are found in virtually all circuit diagrams or schematic diagrams.
Often the circuit schematic symbols are associated with PCB shapes for use when designing PCBs. The complete circuit symbol for the circuit diagram or schematic are associated with the PCB shape so that the PCB design can be developed electronically from the electronic copy of the circuit.
There are several different types of resistor for which distinct circuit symbols are required. Also different circuit symbols tend to be used within Europe and the USA.
|Resistor circuit symbols
|Resistor Type||Circuit Symbol|
|Fixed resistor (Europe)|
|Variable resistor (Europe)||Fixed resistor (USA)||Potentiometer (USA)||Variable resistor (USA)|
|Light dependent resistor, LDR|
Even though resistors are only passive components, there are still many different versions. Also, there are other types of passive component which are addressed on further pages.
More Circuits & Circuit Design:
Op Amp basics Op Amp circuits Power supply circuits Transistor design Transistor Darlington Transistor circuits FET circuits Circuit symbols
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