Doc experiment resistor color code najat jumha academia. Steps in determining the value of the color coded resistor hold the resistor. Dec 20, 2016 if you want to understand resistor color coding then you are at right place where you are explained full resistor calculator depending upon the resistor colour bands which are always confusing for the electricians. Blue 6, grey 8, black 0, orange 3, gold 5% the color code value of the above resistor is 68. 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.
Identifying resistor values band colour 1st band 2nd band multiplier x. Resistor color code system how to read the resistor code. This tool is used to decode information for color banded axial lead resistors. The coding of color is defined in the international standard 1ec60062. It states that the amount of electric current flowing in a circuit is directly proportional to the voltage applied to the circuit, and inversely proportional to. Resistor colour code solver is a featured resistor value calculator which offers both color code to value and value to color code conversions. Resistor value calculation online resistor color coding.
The power rating of the resistor depends upon the physical size of the resistor. In other words a 1 kohm resistor with a 100 ppm temperature coefficient would change by 0. Resistor color code calculating resistance from color bands. It is used as a wire act as a jumper to connect traces on a printed circuit board pcb. The color coding of these color bands on the resistor is used to identify the value and tolerance. In 1930, the first radios with rma color coded resistors were built. The 4 color bands on the left side are grouped together to represent the resistors resistance value. This information may be added in the fifth ring on the resistor. Color bands are used because they can be easily and cheaply printed on a small electronic component. Select the first 3 or 4 bands for 20%, 10% or 5% resistors and all 5 bands for precision 2% or less, 5band resistors.
There is a lot we can write and argue, because of such a vast topic but i leave it here. How to read the resistor code first find the tolerance band, it will typically be gold 5%. Resistor having only single black band is called as zeroohm resistor. It states that the amount of electric current flowing in a circuit is directly proportional to the voltage applied to the circuit, and inversely proportional to its resistance. Resistor colour code calculator this calculator converts resistor values to or from 5band or 4band colour codes. A resistor is an electric element that limits the flow of the electric current into an electric circuit.
Resistor color code 4 band, 5 band and 6 band resistors. They are given by several bands and together they specify the resistance value, the tolerance rate and sometimes the reliability or failure rates. Resistor color code calculator 3, 4 and 5 band resistors. A resistor is a device that opposes the flow of electrical current. Look for the 3 colors which they are near on each other.
If there is only one black band in the center, the resistor is called a zero ohm resistor. Generally, if an additional fifth band is black, the resistor is a wirewound resistor. If there is no tolerance band, then find the side that has a band closest to a lead and make that the first band. Resistor colour coding chart is provided for your reference. Resistor color code calculating resistance from color. Electrical resistance and the resistor introduction ohms law is the most fundamental equation in electric circuit analysis. Enter the color of your resistor and resistor color code will manage to provide you the matching value. Resistor color code chart understanding resistance color coding. Resistor color code calculator free this free, simple, accurate and useful utility application is used to decode information for color banded axial lead resistors.
What connection can you find between each colours code and its multiplier value. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The 5th color band on the right side represent the tolerance of the resistor and the 6th color band represents the tcr temperature coefficient of resistance. Different types of resistors and color coding in electronic. Resistor color codes are used to indicate the value of resistance defined by radio manufacturer association in 1920 according to the international standards iec 60062. In the 1920s, citation needed the rma resistor color code was developed by the radio manufacturers association rma as a fixed resistor coloring code marking. Calculate the resistor values given by the bands shown below. Resistor color codes color codes electronics textbook. Because carbon resistors are physically small, they are colorcoded to identify their resistance value in ohms. Resistor color coding 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. This exam will test your ability to decode a resistors color code and calculate the resistance and tolerance of a resistor.
The use of color bands on the body of a resistor is. A current that is passed through the resistor is always directly proportional to the voltage across the terminals of the resistors. This skill is needed by technicians, engineers, and some hobbyists. Every color is different number and you can remember these numbers or you can just use the table on next step. 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. There may be three four or sometimes even five rings. What is the value of the electrical resistance of the resistor with color rings as follows. Almost all resistors pinned with a power rating of up to 1 watt are marked with color bands. Updated resistor color code pdf chart resistor color.
A helpful little utility that allows you to find the value of a standard resistor without memorizing the color codes. Practically all leaded resistors with a power rating up to one watt are marked with color bands. So, for a 560 ohm, 5% resistor the color stripes will be green, blue, brown and gold. These colour bands are known as resistor colour code all leaded resistors with a power rating up to one watt are marked with colour bands. A 6 band color code resistor consists of 6 color bands. The use of color bands on the body of a resistor is the most common system for indicating the value of a resistor. This is it for this post, i believe now you know how to calculate resistor value using color code.
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 come in a range of tolerances but the two most common are the e12 and the e24 series. Calculating resistance for a 6band resistor a represents the 1 st significant digit, which is the first band color of resistor. Resistor values are often indicated with color codes. Resistor color code calculator and chart 4band, 5band. Identifying resistor values band colour 1st band 2nd band multiplier x tolerance silver 100 10%. Apr 07, 2020 how to calculate resistance using color code. The five and six band resistor colour code is more commonly associated with the high precision 1% and 2% film types while the common garden variety 5% and 10% general purpose types tend to use the four band resistor colour code. This physics video tutorial explains how to use the resistor color code chart to determine the value of the resistance of a resistor in an electric circuit. Use the resistor color code chart below to understand how to use the color code system. How to read the resistor code first find the tolerance band, it will typically be gold 5% and sometimes. Both of these conversions are available for 4 band, 5 band, and 6 band resistors. Resistor colour codes usually follow the standard iec 60062, and there are others jis c 0802, jss 50401, etc.
Below are given calculators for different types of resistors such as 3 band, 4 band, 5 band and 6 band resistors. If an additional fifth band is white, the resistor is a fusible resistor. 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. Resistor color code calculator and chart 4band, 5band or 6. Practically all leaded resistors with a power rating up to one watt are marked with color. This simple resistor value calculation online tool help you calculate the resistor color coding. This chart shows you how you can read the resistor color bands. Sep 16, 2012 if it was still not clear to you, check out my page. In both of these calculations, the color code scheme is applicable for 4, 5, and 6 band resistors. Check out all about circuits resistor color code calculator, a handy tool for reading resistor color code values. Findout the resistance using resistor color code calculator.
The resistor color code chart is shown in the figure below that consists of different colors, significant figures, multiplier values, tolerance values, and temperature coefficients that are used in resistor colour code calculator. 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. The bigger the value of a resistor the more it opposes the current flow. Green and blue are the first significant digits 56. A resistor is identified by its pattern of color of bands. Details of the colour code system can be found here in the technical data section.
If you want to find out the color bands for a value. The 4 color bands on the left side are grouped together to represent the resistance value of a resistor and the 5 th color band on the right side indicates the tolerance of the resistor the 1 st color band indicates the 1 st significant value or 1 st digit of the resistors value the 2 nd color band indicates the 2 nd significant value or 2 nd digit of the resistor value. The first resistor in the chart with 4 bands tells you the minimum information you can learn from a resistor. In the case of 5 band and 6 band resistors the first three bands indicate the significant digits and the fourth band indicates the multiplier. Resistor colour code and resistor tolerances explained. If only one black band in the center, the resistor is called zero ohm resistor. Resistor colorcoding colorcoding is a method used to indicate the resistive value, tolerance, and temperature coefficient of resistors with low wattage rating because of their small size. The colors of the first two bands represent the numerical value of the resistor. This exam will test your ability to decode a resistor s color code and calculate the resistance and tolerance of a resistor.
The colorcoding of these color bands on the resistor is used to identify the value and tolerance. 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. Having a unique purpose, the software is lightweight and does not consume lots of cpu resources. Resistor color code chart how to identify resistance. The resistor colour code system is all well and good but we need to understand how to apply it in order to get the correct value of. Also includes and ohms law calculator and a resistor color code quiz currently in the process of being implemented. Aug 22, 2018 to overcome this, resistor color coding is introduced. There are four different color bands a, b, c and d printed on the resistor body as shown in a below figure.
Simply stated, the value of the third band determines the number of zeros to add to the first two color values. On every pinned through hole resistor, there are colored bands which denote the value of resistance in the resistor. 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. Resistor color coding system applies to carbon film resistors, metal oxide film resistors, fusible resistors, precision metal film resistors, and wirewound resistors. 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. In this software, you have 8 color codes for tolerance level, which include brown, red, green, blue, violet, silver, gold, and grey. 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. If it was still not clear to you, check out my page. How to read color codes from resistors the value of the resistor is marked on the body using colors. Arnido jr instructor, colegio san agstin bacolod 2. Each and every band has a value which should be used in addition to some criteria. Resistor color code and types of resistors introduction to resistors. Just have a look to the resistor color code chart below and see the calculations, how the resistance value is. Explanation, formulas and charts are added below each resistor.
Or there are much resistor calculators that you can use. The third band represents the powerof10 multiplier. Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. The first two indicate the significant figures in the value. To calculate the color code of the above 5 band resistor, 5 band resistors consist of colors. Nov 23, 2012 this chart shows you how you can read the resistor color bands. The resistor color code calculator decodes and identifies a value and tolerance of 4 band wire wound resistors. To calculate the resistance of a resistor, you can select the appropriate color bands in the above resistor color code calculator. 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. Color coding is standardized by the electronic industries association eia. Before industry standards were established, each manufacturer used their own unique system for color coding or marking their components. Resistor color code chart handout pdf teachengineering. Select the resistor type 4 or 5 bands using the radio buttons.
The coding is defined in the international standard iec 60062. When looking at the chart, note the illustration of three round resistors with numerous color code bands. When we calculate the resistance of a resistor we see large number of zeros, therefore prefixes are used to have a handy short name. It also has a complete resistor color code chart having all values. Colorcoding is standardized by the electronic industries association eia. Resistor color code may suit anyone involved in electronics whether he is a student or a professional. Download the latest version of resistor color code free in. Calculation of resistor value using resistor color code calculator. Most of the time, such values have to be memorized and if you do not get used to these items. Find the value and tolerance of a 4band, 5band, or 6band resistor with our resistor colour code calculator or download our colour code pdf for reference.