Tolerance may be ignored for almost all circuits because precise resistor values are rarely required. Resistors cases usually have three to six bands that indicate their resistance, tolerance and sometimes their temperature coefficient of resistance tcr. So, for example, if a resistor has brown and red as the. Black is 0, brown is 1, red is 2 and so on see the color code table below. Where, a represents the 1 st significant digit, which is the first band color of resistor. Resistor color coder is a free resistor color code calculator for windows. Resistor color code chart how to identify resistance. Carboncomposition and carbon film resistors are too small to have the resistance value printed on their housings. Resistors have standard colors for identification of the resistance value. Download the latest version of resistor color code free in. This system was employed for resistors when the surface area was not sufficient to print the resistance value for the past. As can be seen in the above 4 band resistor color codes chart, the first two color bands have values of brown 1, red 2, orange 3 and so on the third color band is the multiplier of the first 2 bands. The resistor color code calculator decodes and identifies a value and tolerance of 4 band wire wound resistors.
This program makes it easier to read the values represented on resistors with the use of this color code, allowing the user to select colors for. Resistance resistor color code band 1 band 2 band 3. The electronic color code was developed in the early 1920s by the radio manufacturing association and it is necessary to have color coding because when we want to use a resistance of particular rating it is difficult to know the resistance. Resistor color code calculator free software downloads. Determine, using the color code chart, the tolerance in percent of the resistor, and record this tolerance in column 3. Calculate resistor color codes with this handy reference app. Resistors are available in a range of different resistance values from fractions of an ohm.
Farnells resistor colour chart gives you band colours, resistance, and tolerance for various types of resistors to help you. Because carbon resistors are physically small, they are colorcoded to identify their resistance value in ohms. Resistor color code calculator calculate 4 and 5 band resistors. Resistor color coder is a free desktop application that has been downloaded by hundreds of thousands of electronics enthusiasts.
Color coding is a method used to indicate the resistive value, tolerance, and temperature coefficient of resistors with low wattage rating because of their small size. A quiz about the resistor colour code, which should be simple enough for electricians, but not so easy for those without experience in this field. If you want to find out the color bands for a value. It lets you calculate the resistance of both 4 band and 5 band resistors. A special colour code is used for the fourth band tolerance. You can calculate the value of an unknown resistor with this program. The utility will display the resistor values and tolerances, depending on the selected code.
Hold the resistor with the gold or silver band to the right and read the resistor from. Resistance color code value calculator free download and. The above figure shows the 4band inductor consisting four different color bands. Similar to the 3 band resistor, the first two bands always give the first 2 digits of the resistance value. Thus, based on the amount of the resistance of a resistor, it. Resistor shorthand resistance colour coding calculation. 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. Color bands are used to indicate the resistance value with each color signifying a number and these color bands are grouped closer to one end of the resistor than the other. Similar to the number coding, first and second color bands represents the first and second digits of the value, third color band is the multiplier and fourth band is the tolerance.
This standard describes color coding for axially leaded resistors and numeric code for smd resistors. Resistor color code 1st nd digit 2 digit 3rd digit multiplier stripe tolerance 4th stripe black 0 0 0 x 1 brown 1 1 1 x 10 1% red 2 2 2 x 100 orange 3 3 3 x 1 000 yellow 4 4 4 x 10 000 green 5 5 5 x 100 000 blue 6 6 6 x 1 000 000 purple 7 7 7 grey 8 8 8 white 9 9 9 gold x 0. The colour bands will be displayed below on the image of the inductor. The value or the resistance of a resistor is obviously very important. Type the inductance in the box below and select the units and optionally the tolerance from the dropdown boxes. Resistor color code chart understanding resistance color coding. The coding is defined in the international standard iec 60062. Tagged with how to calculate multimeter, write the value of the input resistance or burden of the laboratory digital multimeter when used to measure current, determine the resistor value using multimeter and calculate using colour codes with various resister example, colour of resistance in class 12, color coding value multimeter value conclusion, color coding using multimeter, calculations of.
Here, in this article we discuss about how to find out the resistance value using resistor color code calculator. Hence, the resistance value of the given resistor is 2500 5%. Black brown red orange yellow green blue violet gray white 2. But in order to do this the actual resistor needs to have some form of resistive or resistance value. Inductor colour code calculator this calculator converts colour codes to inductor values. Resistor color code system how to read the resistor code. Resistor color code calculator and chart 4band, 5band. Calculator voor kleurcodering weerstanden met 4 ringen en tabel.
Using the coded resistance and the tolerance, find the maximum coded. Resistor color coding uses colored bands to quickly identify a resistors resistive value and its percentage of tolerance with the physical size of the resistor indicating its wattage rating. 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. Colorcoding is standardized by the electronic industries association eia. Available in a variety of tensions from very light to extremely heavy, resistance bands. Resistor color code calculator free software downloads and. Resistor color code may suit anyone involved in electronics whether he is a student or a professional. Available in a variety of tensions from very light to extremely heavy, resistance bands are colorcoded to denote the level of tension. The colour bands of the resistor would look like this. The use of color bands on the body of a resistor is the most common system for indicating the value of a resistor. Using these software, you can calculate resistance of 4, 5, and 6 band resistors.
Colors are assigned to all the numbers between 0 and 9, and the color bands basically translate the numbers into a visible code. Resistor color code calculator for 3456 band online software tool. Both of these conversions are available for 4 band, 5 band, and 6 band resistors. Resistor color codes and chart for 3, 4, 5, and 6 band. Resistor color coding 4 band, 5 band basic electronics. Mar 19, 2012 a special colour code is used for the fourth band tolerance. Resistor color coder is a utility designed to help electrical engineers in deciphering the color codes on four or fiveband leadedtype resistors, as well as the markings on sm resistors. 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. Experiment 1 resistor color code and use of the ohmmeter. Most of the time, such values have to be memorized and if you do not get used to these items. On some of the larger wirewound resistors the value can be printed onto it in the normal way. Resistor colour code solver is a little program that can calculate the value of a resistor from its colour code and viceversa. 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. These free software can calculate resistor codes after you specify the color of the bands printed on them.
This tool is used to decode information for color banded axial lead resistors. The attractive rainbow colors adorning most fixed resistors serve a purpose beyond catching your eye. It describes the coding standard for both resistors and capacitors. By varying the combinations you get different colors. 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. Having a unique purpose, the software is lightweight and does not consume lots of cpu resources. Here are 5 free software to decode resistor color codes. Putting this in other words, the value of the third band the multiplier is the number 10 raised to the power of the color code. But primarily, we must what is resistor, working principle of resistor, resistance calculation using color code, and different types of resistors. Resistor colour code solver is a little freeware program that will calculate the value of a resistor from its colour code and viceversa.
Resistor color codes color codes electronics textbook. Most people looking for resistor color code software for pc downloaded. Different codes are used for wire leads on devices such as transformers or in building wiring. Resistor color code chart and resistance calculator. If your answer is yes, then this tool is specifically designed for you. Resistor color code chart understanding resistance color coding color coding is used in electronics to identify between different components. Determine, using a color code chart, its coded resistance, in units of ohms the symbol for which is. Jul 18, 2019 but in order to do this the actual resistor needs to have some form of resistive or resistance value. Lets take an example of a 5band resistor with the colors given in the above image brown, green, red, black and gold. This is all about different resistors and the colorcode identification for resistance values. Download resistor color code software for pc for free. There are several bands to specify the value of resistance. Resistor colour code solver free download and software. In this software, you have 8 color codes for tolerance level, which include brown, red, green, blue, violet, silver, gold, and grey.
Here, black is 1, brown is 10, red is 100 and so on. Download resistor color code software for pc for free windows. Reading resistors is a very simple procedure if you use the chart and formula below. It helps me in calculating the colour code of any resistor. Resistor color code calculator decodes value and tolerance of 4 and 5 band resistors. However the smaller resistors like those most commonly encountered are colour coded.
The value will be given in nominal, minimum and maximum values. Generally, the resistance value, tolerance, and wattage rating are printed on the body of a resistor as numbers or letters when the resistors body is big. The most common color for the sixth band is brown 100 ppmk. To calculate the resistance of a resistor, you can select the appropriate color bands in the above resistor color code calculator. So, for a 560 ohm, 5% resistor the color stripes will be green, blue, brown and gold. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. Dec 30, 2015 there are three types of resistor color coding.
Resistor colour code and resistor tolerances explained. The standards for color coding registers are defined in international standards iec 60062. Findout the resistance using resistor color code calculator. The resistance value will be calculated and shown along with the minimum and maximum values. For high voltage resistors often the colors gold and silver are replaced with yellow and gray. Composition resistors are color coded to indicate resistance values or ratings. Resistor color coding system applies to carbon film resistors, metal oxide film resistors, fusible resistors, precision metal film resistors, and wirewound resistors cylindrical with enlarged ends of the axial lead type. A separate code, the 25pair color code, is used to identify wires in some telecommunications cables. A color strip is provided below every band in a resistor from which you have to select a color. Apr 07, 2020 how to calculate resistance using color code.
What is the value of the electrical resistance of the resistor with color rings as follows. There are a number of ways in which this can be indicated. Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. The power rating of the resistor depends upon the physical size of the resistor. Select the first 3 or 4 bands for 20%, 10% or 5% resistors and all 5 bands for precision 2% or less, 5band resistors. A resistor is identified by its pattern of color of bands.
Ecia member this site is protected by trustwaves trusted commerce program. The first two bands represent the most significant digits of the resistance value. This is to prevent having metal particles in the coating. Colorcoding identifies the nominal value and tolerance of most resistors. Therefore, bands of color are used to represent the resistance value. Ohms law trianglerelation between voltage, current, and resistance. In the case of resistors, color coding is used to identify a specific resistance value, for example a 100 ohms resistor or a 1 kilo ohms resistor with 5% tolerance. Resistor color code calculator 3, 4 and 5 band resistors.
Just have a look to the resistor color code chart below and see the calculations, how the resistance value is calculated according to this chart. The colorcoding of these color bands on the resistor is used to identify the value and tolerance. Resistor color code calculator and chart 4band, 5band or 6. Sep 28, 2015 resistor color code is used to indicate the value of resistance. Resistor color code and surface mount device smd calculator software. Black brown red orange yellow green blue violet gray white 3. This calculator quickly determines 4 or 5 band resistor values and tolerances. The color code consists of various color bands, which indicate the resistance values of resistors in ohms as well as the tolerance rating. Q1 which end of the resistor must be used for reading the colour codes. They have different numbers of color bands and hence provide different information. Enter the color of your resistor and resistor color code will manage to provide you the matching value. Resistor colour code solver is a featured resistor value calculator which offers both color code to value and value to color code conversions.
Green and blue are the first significant digits 56. What is the difference in colored resistance bands. Electronic components, such as resistors, have their values designated by a color code and standardized. What is the difference in colored resistance bands resistance bands are a portable, less expensive alternative to other strengthtraining tools, such as free weights and machines. The third band represents the multiplier while the fourth band represents tolerance. Download resistor color code calculator 4, 5 and 6 band. Different types of resistors and color coding in electronic. As can be seen in the above 4 band resistor color codes chart, the first two color bands have values of brown 1, red 2, orange 3 and so on. The 4band resistor color code is the most commonly used resistor. Resistor color code is used to indicate the value of resistance. Resistor color code chart and resistance calculator west. The color coding of these color bands on the resistor is used to identify the value and tolerance. 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. The color code starts near the edge of one side of the resistor and consists of several.
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