Electronic symbols ... not intended to be comprehensive ...
Component |
Unit |
Symbol
|
Resistor |
Ohm |
|
Potentiometer |
Ohm |
|
Pre-set resistor |
Ohm |
|
Variable resistor |
Ohm |
|
Capacitor |
Farad |
|
Polarised capacitor |
Farad |
|
Variable capacitor |
Farad |
|
Inductor |
Henry |
|
Inductor with core |
Henry |
|
Transformer |
— |
|
Quartz crystal |
Herz |
|
Diode |
— |
|
Varactor diode |
— |
|
LED |
— |
|
NPN transistor |
— |
|
FET |
— |
|
Earphone |
— |
|
Microphone |
Ohm |
|
Loudspeaker |
Ohm |
|
Cell |
Volt |
|
Battery |
Volt |
|
Lamp bulb |
Watt |
|
SPST switch |
— |
|
DPST switch |
— |
|
Fuse |
Amp |
|
Antenna |
— |
|
Earth |
— |
|
Chassis ground |
— |
|
See also
References
Further reading
External links