Resistors having values less than 10 are decoded by using the format XRY. Where X is the simple number ranging b/w 0-9 and Y is the radix point. Just consider an example case where an SMD resistor has value: 4R6

Now 4R6 means,

4.6 ohms.

Other examples:

0R11 = 0.11 ohms

1R7 = 1.7 ohms

5R8 = 5.8 ohms

So that was all about SMD coding.

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