Electronic Components

Overview

Electronic components are devices used to build circuits.

NOTE: This page should likely be updated to better include lists of components, probably catagorized in a similar manner to this wikipedia page.

Recommended online tool for creating parts lists:

If you are in the process of choosing components for a PCB design, or just a breadboard circuit, you may find the following free online site super useful to both help you find components and to compile and list of components. This is an online service offered by JLC PCB, of course there are many other companies form which components can be sources and PCB fabrication performed, this link is mainly give as it can be rather useful in speeding up the selection and construction of a parts list.

JLC PCB SMD Assembly Component Catalogue

Capacitors

Types of Capacitors

Electrolytic capacitors are polarised but ceramic caps are not.

Reading Capacitors

Most capacitors have number codes if the capacitor is too small to have the full value written on it. It is usually a three number code where the last number is the multiplier similar to resistors. The base numbers are in pF (picoFarad).

For example, the label "332" is 33*10^{2} = 3300 pF = 3.3 nF

Resistors

Potentiometers

Pots also have 3 number codes with the third being a multiplier. The base value is in Ohms.

For example, the label "103" is 10*10^{3} = 10 kilo Ohms