A reference designator unambiguously identifies a component in an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. R13, C1002. The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e.g. R17A, R17B...
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http://en.wikipedia.org/wiki/Reference_designator
An alphanumeric identifier assigned to each electronic component in a circuit. By convention this begins with one or two letters followed by a numeric value. The alpha part defines the type of component (R = resistor, C = capacitor, etc.) and the numeric part is a sequential number assigned to the component (R23 is the 23rd resistor used in the ci...
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http://www.encyclo.co.uk/local/20870
No exact match found.
