Electronic Components

- summaries tutorials descriptions and information about basic electronic components including the resistor, capacitor, inductor, transistor, integrated circuit and many more ....

There are many components that can be used in electronic and radio circuits. For each type there are variants and these may enable them to be used in different ways.


Resistors are one of the basic types of component used in electronics today. Many billions are used each week. As such they are probably the most widely used component.


Semiconductor fundamentals



Integrated circuits

Surface mount technology (SMT)

Surface mount technology is now the normal way of mass producing electronic equipment.


There is a huge variety of different types of connector. These range from those used for patch panels, through multiway connectors, to RF coax cable connectors. Each type has its own advantages and disadvantages and can be used in a variety of differnet applications.

Switches and relays

Even though more switching is accomplished electronically these days, mechanical or physical switches and relays still perform many vital functions in today's electronics.

Wire and cables

Often little thought is given to the wire of cable that is used. However it can be quite important to choose the right type.

Valves / Tubes


- Heatsinks - an overview or description and simple thermal calculations.