Electronic components

Dry joint

Flux

Insulator

Bridge

Solder

PCB

Soldering iron

Helps the solder to flow also keeps the surfaces clean.

An alloy of tin (and lead) which melts easily.

A printed circuit board with copper tracks making the connections.

A tool used to melt the solder and heat up the joints to be joined.

A piece of solder or wire joining two tracks - causing a short circuit

A solder joint that has not been heated properly. Only one part is wetted with solder.

A material that does not conduct electricity.

Devices such as resistors. LEDs and transistors