a) Determine the nominal value and tolerance for theĮxample 2.
To convert from to k, to M, or vice-versa, use the table below: In the previous example we would say the resistor has a nominal value of:Ĩ Example 2. Solution: 1 Brown =1 Black =0 2 Red =2 5 Gold = 5% _ _ 10 _ % Nominal value = 10102 = 1,000 Tolerance = 5%.ħ It is typical to express the resistance value in: Determine the nominal resistance value and the tolerance for the resistor shown below. The template for determining the nominal value and tolerance of a resistor with 4 color bands is given below: 1st Band = 1st Significant Digit 2nd Band = 2nd Significant Digit 3rd Band = Multiplier 4th Band = Tolerance _ _ 10 _ %ĥ How do we know which color corresponds to which number?Īnswer: Using the Resistor Color Code TableĦ Example 1. The resistor nominal value is encoded in the color code in Powers of Ten Notation. For resistors with 1% or 2% tolerance, the color code consists of 5 bands.Ĥ 4-Band Resistors _ _ 10 _ %
For resistors with 5% or 10% tolerance, the color code consists of 4 color bands.
Deb Hall Electronics Engineering Technology Valencia Community CollegeĢ Resistor Color Code Manufacturers typically use a color band system known as the resistor color code Within this power point, you will learn how to identify the nominal resistance and the tolerance of a resistorģ Resistor Color Code The power rating is not indicated in the resistor color code and must be determined by experience using the physical size of the resistor as a guide.