Electronic Components

Electronic components are parts of electrical & electronic circuits. Each component has typical functionality according to its operational characteristics.

Electrical and electronic components table

Component Image Component Symbol Component Name
Wire

Toggle switch

Pushbutton switch
  Relay
  Jumper
  Dip switch
Resistor
  Variable resistor / Rheostat
  Potentiometer

Capacitor

Variable capacitor

Electrolytic capacitor

Inductor

Battery
  Voltmeter

Lamp / Light bulb

Diode

BJT Transistor

MOS transistor
  Optocoupler / optoisolator

Electric motor

 

Transformer
  Operational amplifier / 741
  Crystal oscillator
Fuse
Buzzer
  Loudspeaker

Microphone
  Antenna / aerial

Passive components

Passive components do not need additional power source to operate and can not have gain.

Passive components include: wires, switches, resistors, capacitors, inductors, lamps, ...

Active components

Active components need additional power source to operate and can have gain.

Active components include: transistors, relays, power sources, amplifiers, ...

 


See also:

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