While we work on a diy electronics project we need to use resistors. The main function of a resistor within an electrical or electronic circuit is to oppose or resist the flow of current, hence named as resistor. Jul 18, 2019 but in order to do this the actual resistor needs to have some form of resistive or resistance value. Select the first 3 or 4 bands for 20%, 10% or 5% resistors and all 5 bands for precision 2% or less, 5band resistors. Without a resistor an electric circuit cannot work properly. The use of color bands on the body of a resistor is the most common system for. The colors brown, red, green, blue, and violet are used as tolerance codes on 5band resistors only.
The first resistor in the chart with 4 bands tells you the minimum information you can learn from a resistor. In both of these calculations, the color code scheme is applicable for 4, 5, and 6 band resistors. Technical documents resistor and capacitor color codes complete with mica capacitor codes. The app is useful for every maker, engineer, student and arduino or raspberry pi tinkerer when working with electronics. Resistor color codes pdf download build electronic circuits. Resistor color code 6 band color code 5 band color code 4band color code gry8. You can easily calculate the resistance by using the chart and applying the formula given along with.
Enter the color of your resistor and resistor color code will manage to provide you the matching value. Different types of resistors and its color code calculation in electronics resistors are the most commonly used components in electronic circuits and devices. The value for the selected band is expressed in terms of ohms. The resistance, r, provides the required reduction in. Here are 5 free software to decode resistor color codes. I never remember them, so i always have a handy table of the resistor color codes. In our previous post we saw that there are many different types of resistor available that can be used in both electrical and electr resistor color code pdf chart free download for the electronics students.
Resistor color code chart handout pdf teach engineering. Calculate resistor color codes with this handy reference app. Find the value and tolerance of a 4 band, 5 band, or 6 band resistor with our resistor color code calculator or download our color code pdf for reference. The quiz and worksheet help you evaluate your knowledge of color codes on resistors. Components and wires are coded with colors to identify their value and function. In the case of a 3 or 4 band resistor, the first two band indicate the significant digits and the third indicates the multiplier.
Resistors can be integrated into both hybrid and printed circuits. Resistors are usually very tiny and it is difficult to print resistance values on them. To read colored bands on the resistor, we need to follow this color code chart. In this video you will learn how to read the resistor color code by using the color code chart. Resistor color codes pdf download build electronic. Well resistors have standard colors for the purpose of identification of their resistance. To calculate the resistance of a resistor, you can select the appropriate color bands in the above resistor color code calculator. A separate code, the 25pair color code, is used to identify wires in some telecommunications cables. How to find burnt resistor value even without a schematic. How to read color codes from resistors the value of the resistor is marked on the body using colors. Resistor color code chart resistors are devices that limit current flow and provide a voltage drop in electrical circuits.
Download the latest version of resistor color code free in. The first two symbols in html color code represents the intensity of red color. Raghavendra pal answered one of the most asked question. Read about resistor color codes color codes in our free electronics. Dec 20, 2016 look at the 1st color band and determine its color. Every color is different number and you can remember these numbers or you can just use the table on next step. When the resistor body surface is large enough, as in large wattage resistors, the resistance value, tolerance, and wattage are usually printed on the body of the resistor. The electronic color code is a way of indicating the ratings or values of electronic components like resistors, capacitors, inductors and others. Or there are much resistor calculators that you can use. The resistance value is displayed on the field below together with the. Because carbon resistors are physically small, they are color coded to identify their resistance value in ohms.
It can decode color codes of resistors with 4, 5, and 6 band codes. Resistor color code chart handout edit, fill, sign online. Resistor color codes color codes electronics textbook. Thus resistors play an important role in running circuits. In the case of 5 band and 6 band resistors the first three bands indicate the significant digits and the fourth band. Look at the 1st color band and determine its color. Use the resistor color code chart below to understand how to use the color code system. Sep 22, 2007 it relates resistor color codes to scientific numbers and engineering notation. Free lemosoft design studio windows xpvista7 version 1. There are several bands to specify the value of resistance. Resistance color code value calculator free download and. Resistor colour code solver is another powerful software to decode resistor codes. Just have a look to the resistor color code chart below and see the calculations, how the resistance value is.
If your answer is yes, then this tool is specifically designed for you. In the next tutorial about resistors, we will look at connecting resistors together in a series chain and prove that the total resistance is the sum of all the resistors added together. This tool is used to decode information for color banded axial lead resistors. Resistors are too small to have numbers printed on them and so they are marked with a number of coloured bands. How to calculate resistance value of resistor using color. This chart shows you how you can read the resistor color bands. With practical examples of 4band, 5band and 6band resistors you will get a quick understanding. Because carbon resistors are physically small, they are colorcoded to identify their resistance value in ohms. These free software can calculate resistor codes after you specify the color of the bands printed on them. If there is no tolerance band, then find the side that has. This standard describes color coding for axially leaded resistors and numeric code for smd resistors.
The first two stripes represent numeric values and the third stripe is a multiplier. Before reading the resistor color codes, we need to first. Types of resistors the two main characteristics of a resistor are its resistance, r, in ohms and its power rating, p, in watts. The little poem involved racism and rape, if i remember correctly. The tables on this page illustrate three common forms for four, five and six band resistors. Wirewound resistors do not have a color code, the value in ohms is printed on its body. Sep 10, 2012 in this video you will learn how to read the resistor color code by using the color code chart. Updated explain the different types of resistors pdf. Three colour bands shows the resistors value in ohms and the fourth shows tolerance. Reading resistor colour codes resistor colour code example practice problems. In the four band resistor colour code illustrated in. Different codes are used for wire leads on devices such as transformers or in building wiring. Resistors are available in a range of different resistance values from fractions of an ohm.
Resistor color code calculator and chart 4band, 5band or 6. The use of color bands on the body of a resistor is. Resistor and capacitor color codes complete with mica. Products resistor color code calculator tool resistor color code calculator sales, authorized distributors technical questions. Printable and fillable resistor color code chart handout. The industry standard resistor color code is used to identify the resistance value of resistors used in all kinds of electronics. For the purpose of calculating the value of the resistor of a particular resistor you require color codes.
Aug 22, 2018 the colored bands on the resistors denote the value of resistance in resistor, tolerance and sometimes temperature coefficient. Resistor color code may suit anyone involved in electronics whether he is a student or a professional. The other four fall into the same order as mentioned for resistors. This system was employed for resistors when the surface area was not sufficient to print the. Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. Resistor color code chart the chart below shows how to determine the resistance and tolerance for resistors. Simply stated, the value of the third band determines the number of zeros to add to the first two color values. Resistor color code system how to read the resistor code. Given 10 different sets of color bands, determine the resistor values and tolerances. Resistor color code calculator and chart 4band, 5band. How to read a resistor color code if we are to work with resistors we must learn how to determine their values from the color bands that are printed on them. Jul 07, 2016 resistor color codes pdf download july 7, 2016 by oyvind nydal dahl 2 comments. Select the number of bands, then their colors to determine the value and tolerance of the resistors or view all resistors digikey has to offer.
Edit, fill, sign, download resistor color code chart handout online on. Having a unique purpose, the software is lightweight and does not consume lots of cpu resources. Try out our resistor color code calculator in our tools section. An electronic color code is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others. While actually measuring the resistance before using it is a good idea, it is also a good idea to know what the resistance is supposed to be. Resistor color code calculator 3, 4 and 5 band resistors. Resistor color code calculator this free, simple, accurate and useful utility application is used to decode information for color banded axial lead resistors. Resistor color code is used to indicate the value of resistance. Dont forget to download and make our handy diy resistor colour code wheel as a free and handy reference guide to help work out those resistor colour codes. When looking at the chart, note the illustration of three round resistors with numerous color code bands. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. Table 1 lists the colors found on resistors and shows what each color band represents 12 110,000 n 110 brown t yellow 0000 fig. Online electrical calculator to determine the resistance of three band resistors.
So, colour bands are printed on them to represent the electrical resistance. So with combining the intensity of red, green and blue we can mix almost any color that our heart desire. Some of the following software also comes with other tools as well and you can also get the resistor colors by the value of the resistance you provide. However the smaller resistors like those most commonly encountered are colour coded. Well, let us tell you its a cakewalk now with resistor color code chart. The value or the resistance of a resistor is obviously very important.
Download resistor color code software for pc for free windows. Resistor values are marked with small colored stripes. These colour bands are known as resistor colour code. Three 3 band resistor resistance color code calculator. Resistor and capacitor color codes complete with mica capacitor codes. Resistor color coding system applies to carbon film resistors, metal oxide film resistors, fusible resistors, precision metal film resistors, and wirewound resistors. Resistor colour code and resistor tolerances explained.
There are many things to keep in mind with resistors like electrical color codes, conversions, values, and sizes. Surface mounted resistors smd use another coding system that uses alphanumeric codes printed on its surface instead of color codes. On some of the larger wirewound resistors the value can be printed onto it in the normal way. Technical documents resistor and capacitor color codes complete with mica capacitor codes colour values for resistors and capacitor codes 1 st color band. Do you remember what the colors on your resistor means. The first three stripes indicate the first 3 digits in the r value. How to find burnt resistor value even without a schematic diagram page 2. Electronics tutorial about resistor colour codes used to identify resistor.
Using these software, you can calculate resistance of 4, 5, and 6 band resistors. Resistor color code chart handout edit, fill, sign. The third and fourth represents intensity of green and fifth and sixth represents the intensity of blue. In our previous post we saw that there are many different types of resistor available that can be used in both electrical and electronic circuits. Reading resistor color codes identification of resistors made easy. A resistor is identified by its pattern of color of bands. Note that the color code system for capacitors is very similar to that of resistors except there is a fifth band representing the temperature coefficient. Most of the time, such values have to be memorized and if you do not get used to these items. The standards for color coding registers are defined in international standards iec 60062.
This band is the first one closest to one end of the capacitor. Resistor color code calculator 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. The main purpose of a resistor is to maintain specified values of voltage and current in an electronic circuit. This may be difficult on small or oddly colored resistors. The electronic color code was developed in the early 1920s by the radio. Most resistors are color coded with multiple bands to identify the resistance value and the tolerance. Download resistor color code software for pc for free. The table can also be used to specify the color of the bands when the values are known. And the result that it produces can be converted to normal, exponential, and in units. Fiveband color code precision resistors often use a fiveband code to obtain more accurate r values.