Last modified on 2 January 2013, at 08:26

Electronics/Symbols

Electronics | Foreword | Basic Electronics | Complex Electronics | Electricity | Machines | History of Electronics | Appendix | edit


Power SourcesEdit

Voltage Source.svg Current Source.svg Voltage Source (Controlled).svg Current Source (Controlled).svg Battery symbol1.svg Battery symbol2.svg
Voltage
Source
Current
Source
Controlled
Voltage
Source
Controlled
Current
Source
Single
cell
Battery
of cells

GroundsEdit

Signal Ground.svg Chassis Ground.svg Earth Ground.svg
Signal
Ground
Chassis
Ground
Earth
Ground

ResistorsEdit

Resistor symbol America.svg Variable resistor symbol.svg Potentiometer symbol.svg
Resistor Variable
Resistor
Potentiometer

CapacitorsEdit

Capacitor Symbol.svg Polarized capacitor symbol alternative.svg Variable capacitor symbol 2.svg
Polarized capacitor symbol 2.svg
Polarized capacitor symbol 3.svg
Polarized capacitor symbol 4.svg
Capacitor
 
Polarized
Capacitor
Variable
Capacitor

TransformersEdit

Transformer Air Core.svg Transformer Iron Core.svg Transformer Centre-tap Iron Core.svg Autotransformer.svg Transformer with Tickler.svg Transformer Step-up Air Core.svg Transformer Step-down Air Core.svg
Air-core
Transformer
Iron-core
Transformer
Center-tapped
Transformer
Autotransformer Coil with tickler Step up Step down

DiodesEdit

Small diode symbol.png LED symbol.png Zener diode symbol.png Schottky diode symbol.png
Diode Light-Emitting
Diode
Zener
Diode
Schottky
Diode

TransistorsEdit

JFET P-Channel Labelled.svg IGFET P-Ch Enh Labelled.svg IGFET P-Ch Dep Labelled.svg P-channel
JFET N-Channel Labelled.svg IGFET N-Ch Enh Labelled.svg IGFET N-Ch Dep Labelled.svg N-channel
JFET IGFET enh IGFET dep
BJT symbol PNP.svg PNP
BJT symbol NPN.svg NPN

SwitchesEdit

Open Switch.svg Closed Switch.svg
Normally Open Momentary Switch Normally Closed Momentary Switch


See here for more examples: [1]

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