7 k Ω ⋅ 2 μ F start text, R, 2, end text, dot, start text, C, 6, end text, equals, 4, point, 7, start text, k, end text, \Omega, dot, 2, mu, start text, F, end text. Examples of reference designators are R1 \text = 4.7\,\text k\Omega \cdot 2\,\mu\text F R2 ⋅ C6 = 4.
– When you place a component in a schematic you often give it a unique name, known as a reference designator.
