Electronics Handbook/Symbols

Every electronic component has a symbol for easy identification in diagrams. Below is a quick reference, with more detailed symbols farther down.

Power SourcesEdit

           
Voltage
Source
Current
Source
Controlled
Voltage
Source
Controlled
Current
Source
Single
cell
Battery
of cells

GroundsEdit

     
Signal
Ground
Chassis
Ground
Earth
Ground

ResistorsEdit

     
Resistor Variable
Resistor
Potentiometer

CapacitorsEdit

     
 
 
 
Capacitor
 
Polarized
Capacitor
Variable
Capacitor

TransformersEdit

             
Air-core
Transformer
Iron-core
Transformer
Center-tapped
Transformer
Autotransformer Coil with tickler Step up Step down

DiodesEdit

       
Diode Light-Emitting
Diode
Zener
Diode
Schottky
Diode

TransistorsEdit

      P-channel
      N-channel
JFET IGFET enh IGFET dep
  PNP
  NPN

SwitchesEdit

   
Open Switch Closed Switch

Greek charactersEdit

One reason people don't understand math or physics very well is that it literally is Greek to them.

  • alpha α
  • beta β
  • gamma γ
  • delta δ
  • epsilon ε
  • zeta ζ
  • eta η
  • theta θ
  • iota ι
  • kappa κ
  • lambda λ
  • mu μ
  • nu ν
  • xi ξ
  • pi π
  • piv ϖ
  • rho ρ
  • sigma σ
  • sigmaf ς
  • tau τ
  • upsilon υ
  • phi φ
  • chi χ
  • psi ψ
  • omega ω
  • Gamma Γ
  • Delta Δ
  • Theta Θ
  • Lambda Λ
  • Xi Ξ
  • Pi Π
  • Sigma Σ
  • Upsilon Υ
  • Phi Φ
  • Psi Ψ
  • Omega Ω


ReferencesEdit