![]() ![]() Tips for reading resistor codes In the sections below examples are given for different numbers of bands, but first some tips are given to read the color code: The reading direction might not always be clear. An automatic resistor calculator can be used to quickly find the resistor values. The table can also be used to specify the color of the bands when the values are known. Resistor color code chart The chart below shows how to determine the resistance and tolerance for resistors. The resistance values are standardized, these values are called preferred value. As a minimum, two bands indicate the resistance value and one band serves as multiplier. The number of bands varies from three till six. Together they specify the resistance value, the tolerance and sometimes the reliability or failure rate. The color code is given by several bands. It includes also numerical codes, as for example often used for SMD resistors. This standard describes the marking codes for resistors and capacitors. The coding is defined in the international standard IEC 60062. Practically all leaded resistors with a power rating up to one watt are marked with color bands. Resistor values are often indicated with color codes. Here are 5 free software to decode resistor color codes.These free software can calculate resistor codes after you specify the color of the bands printed on them.Using these software, you can calculate resistance of 4, 5, and 6 band resistors.How does the resistor color code work? Check out All About Circuits Resistor Color Code Calculator, a handy tool for reading resistor color code values. If you want to find out the color bands for a value. ![]() Select the first 3 or 4 bands for 20%, 10% or 5% resistors and all 5 bands for precision (2% or less), 5-band resistors. The calculator above will display the value, the tolerance and performs a simple check to verify if the calculated resistance matches one of the EIA standard values. Also includes and Ohms Law calculator and a resistor color code quiz (currently in the process of being implemented). A helpful little utility that allows you to find the value of a standard resistor without memorizing the color codes. Download Resistor Color Code Calculator for free. Resistors come in variations with 4, 5 or more color bands where a 4-band color code is most common. What are resistor color codes used for? For very small electronic components a color code instead of printed text is used to indicate the value, rating or and tolerance. Enter the color of your resistor and Resistor Color. Having a unique purpose, the software is lightweight and does not consume lots of CPU resources. Resistor Color Code may suit anyone involved in Electronics whether he is a student or a professional. ![]()
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