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You are here: Home / Basic Electronics / Identify Electronic Components (Quick Reference)

Identify Electronic Components (Quick Reference)

February 10, 2017 By Øyvind Nydal Dahl 6 Comments

There are many versions of the symbol for each component in electronics. Below I’ve listed the ones I’m using the most.

Battery

Resistor

Capacitor (Polarized)

Capacitor (Non-Polarized)

Light-Emitting Diode (LED)

Transistor

Integrated Circuit

The symbol for intgrated circuits (IC) come in different forms. An IC that has a common function like a logic gate or an op-amp, usually is shown as the symbol for that function (like the schmitt-triggered inverter below). An IC that does not have a symbol for it’s function is usually shown as a box with pins and pin names (like the 555 timer below).

Other symbols and components

Note that there are more version of each of these symbols and components that are not listed here. I’ve listed the ones I use the most.

What’s the hardest part in identifying components for you? Let me know in the comment field below.

Filed Under: Basic Electronics

Reader Interactions

Comments


  1. Kathiresh says

    February 20, 2017

    Sir,basically how to learn about pcb..It is possible to learn basic students?say your opinion!!

    Reply

    • admin says

      February 20, 2017

      Hey,

      You can start here:
      https://www.build-electronic-circuits.com/pcb-design/

      Best,
      Oyvind

      Reply

  2. David Smith says

    February 20, 2017

    Oyvind, always great and easy to follow instructions. Would you be able to develop an article on how a person could produce a printed circuit board by etching and using a software program.

    Thanks

    David Smith

    Reply

    • admin says

      February 21, 2017

      Hey David,

      Maybe these articles might be helpful for you:
      https://www.build-electronic-circuits.com/pcb-design/
      https://www.build-electronic-circuits.com/diy-pcb/

      Best,
      Oyvind

      Reply

  3. Yehud Benjamin says

    March 19, 2017

    hey oyvind, i have many components i cant identify, they dont have parts number too. can you tell me what they are, if i post photoes of them

    Reply

  4. Stanley says

    April 26, 2017

    how to study IC

    Reply

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