A trace on a circuit board is a conductive path that connects two or more electronic components. It is typically made of copper, but can also be made of other metals or materials. Traces are used to carry electrical signals between components, and they are an essential part of any electronic circuit.
Traces are typically created by etching a copper layer on a printed circuit board (PCB). The etching process removes the copper from the areas that are not needed, leaving behind the traces. The traces are then covered with a protective layer of soldermask, which prevents them from being damaged by solder.
The width and thickness of a trace are important factors in determining its electrical properties. The width of the trace determines the amount of current that can flow through it, while the thickness of the trace determines its resistance. The resistance of a trace is inversely proportional to its cross-sectional area, so a thicker trace will have lower resistance than a thinner trace.
The spacing between traces is also important, as it prevents the traces from shorting out. The minimum spacing between traces is typically determined by the voltage of the circuit. For example, a circuit that operates at 5 volts would require a minimum trace spacing of 0.05 inches.
Traces are an essential part of any electronic circuit, and they are used to connect components together and carry electrical signals. The width, thickness, and spacing of traces are all important factors in determining their electrical properties.
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