Electrical engineering stack exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Chapter1 resistors color coding linkedin slideshare. Cite advantages and disadvantages of resistor colorcoding. Working of resistorsresistance,unit,symbol,types,colour. Why would anyone go to the trouble of developing an application this useful and not provide a tolerance setting of 20%it make no sense. If you have a resistor with a gold or silver band on one end, you have a 5% or 10% tolerance resistor. Having a unique purpose, the software is lightweight and does not consume lots of cpu resources. Resistor color code is used to indicate the value of resistance. Download resistor color code software for pc for free windows. Colorcoding is standardized by the electronic industries association eia. Aug 19, 2017 the color coding of resistors is best explained in telugu, b b roy great britain has a very good wife better way of remembering the color coding. Resistor color codes color codes electronics textbook. In this video, resistor color coding 3 bands, 4 bands, 5 bands and 6 bands has been explained. Resistor colour code for engineers electronics basics guide.
This coding is standardized by the electronic industries association. Resistor color code system how to read the resistor code. 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. This calculator quickly determines 4 or 5 band resistor values and tolerances. Before industry standards were established, each manufacturer used their own unique system for color coding or marking their components. To measure the value of the resistor by digital multimeter dmm. Resistor color code calculator and chart 4band, 5band or 6. To determine the value of resistance, colour bands are always read from left to right from the end that has the bands nearer. Resistor colour code solver calculates the resistance of a resistor. This standard describes color coding for axially leaded resistors and numeric code for smd resistors.
May 05, 2018 in this video, resistor color coding 3 bands, 4 bands, 5 bands and 6 bands has been explained. Most of the time, such values have to be memorized and if you do not. A helpful little utility that allows you to find the value of a standard resistor without memorizing the color codes. Different types of resistors and color coding in electronic. Colours on the resistor like brown, red, green, blue, and violet are used as tolerance codes on 5band resistors only. Download resistor color code calculator 4, 5 and 6 band.
Resistor symbol, working, color code and types analyse a meter. Black is 0, brown is 1, red is 2 and so on see the color code table below. Here we leave you an illustration of the color codes of resistors and capacitors and their different types of recordings in the body of the componenetees for their correct reading. The value of the resistance is found out by colour coding. Both of these conversions are available for 4 band, 5 band, and 6 band resistors. Type resistance to display bands, or select bands to display excact and preferred. Also includes and ohms law calculator and a resistor color code quiz currently in. The system of representing the resistor value is known as colour coding. Download the latest version of resistor color code free in. When you see only three color bands on a resistor, you know that it is actually a 4band code with a blank 20% tolerance band. 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.
Composition resistors are color coded to indicate resistance values or ratings. Position the resistor with this band on the right side and again read your resistor from left to right. This is all about different resistors and the colorcode identification for resistance values. Browse other questions tagged resistors colourcoding or ask your own question. This system was employed for resistors when the surface area was not sufficient to print the resistance value for the past. Colorcoding identifies the nominal value and tolerance of most resistors. In this software, you have 8 color codes for tolerance level, which include brown, red, green, blue, violet, silver, gold, and grey.
Jul 11, 2012 chapter 1 resistor colour coderesistor colour code normal resistors colour coded with 4 bands start from the end that does not begin with a gold or silver band banded end. Interpret the resistor colour code in terms of value and tolerance. These colour bands are known as resistor colour code. Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. This tool is used to decode information for color banded axial lead resistors. Farnells resistor colour chart gives you band colours, resistance, and tolerance for various types of resistors to help you identify components in your electronics. All leaded resistors with a power rating up to one watt are marked with colour bands. There may be three four or sometimes even five rings.
You can calculate the value of an unknown resistor with this program. Calculate resistor color codes with this handy reference app. This program makes it easier to read the values represented on. Resistor color coding 4 band, 5 band basic electronics. Sep 17, 20 to find the value of a resistor and its tolerance by color coding. 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 colour codes usually follow the standard iec 60062, and there are others jis c 0802, jss 50401, etc. Resistor color code and smd calculator software electronic. The app is useful for every maker, engineer, student and arduino or raspberry pi tinkerer when.
The color coding of resistors is best explained in telugu, b b roy great britain has a very good wife better way of remembering the color coding. Note that the colorcode system for capacitors is very similar to that of resistors except there is a fifth band representing the temperature coefficient. Google resistor color code and maybe add free software to avoid spammy sites. The use of color bands on the body of a resistor is the most common system for indicating the value of a resistor. After watching this video, you will be able to find the resistor value for 3band, 4band, 5band. Colors are assigned to all the numbers between 0 and 9, and the color bands basically translate the numbers into a visible code. Also includes and ohms law calculator and a resistor color code quiz currently in the process of being implemented. Resistors letters and digit codes letter and digit codes to indicating resistor values resistors standard values preferred number series for resistors tag search. For example, if brown, vilet, and red are inputted as the resistor colours, the program generates the following message.
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. They have different numbers of color bands and hence provide different information. Resistor colour code solver free download and software. Resistor color code and surface mount device smd calculator software. The resistor color code calculator decodes and identifies a value and tolerance of 4 band wire wound resistors. Apr 23, 20 download resistor color code calculator for free. For high voltage resistors often the colors gold and silver are replaced with yellow and gray. So, for a 560 ohm, 5% resistor the color stripes will be green, blue, brown and gold. The standards for color coding registers are defined in international standards iec 60062.
Resistor values are often indicated with color codes. To find the value of a resistor and its tolerance by color coding. Because carbon resistors are physically small, they are colorcoded to identify their resistance value in ohms. Enter the color of your resistor and resistor color code will manage to provide you the matching value. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. 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. Resistor color coder free resistor color code software by schematica. The first two bands represent the most significant digits of the resistance value. Convert 4 or 5 band resistor colour codes to or from resistance and tolerance. Resistor colour code and resistor tolerances explained. The attractive rainbow colors adorning most fixed resistors serve a purpose beyond catching your eye. All resistors have three bands of colours, followed by a space and then a fourth band of colour. The table given below shows the numerical value associated with each colour. In 1930, the first radios with rma color coded resistors were built.
Chapter 1 resistor colour codelesson objectivesupon completion of this topic, you should be able to. Resistor colour coding uses coloured bands to easily identify a resistors resistive value and its percentage tolerance there are many different types of resistor available which can be used in both electrical and electronic circuits to control the flow of current or to produce a voltage drop in many different ways. Resistor color coder is a free desktop application that has been downloaded by hundreds of thousands of electronics enthusiasts. The reason for this is that any numbers printed on the component would very easily be removed and they would not be easy to read. The resistors have a band of colours shown in their outer covering. Resistors never start with a metallic band on the left. The other four fall into the same order as mentioned for resistors. Resistor color code calculator free software downloads. This band is the first one closest to one end of the capacitor. Check out all about circuits resistor color code calculator, a handy tool for reading resistor color code 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. Color codes for fixed resistors values and tolerances online calculator engineering toolbox resources, tools and basic information for engineering and design of technical applications. So, for example, if a resistor has brown and red as the.
All resistors have three bands of colours, followed by a space and then a. Different codes are used for wire leads on devices such as transformers. Resistor color code calculator and chart 4band, 5band. 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.
Here are the steps to determine the value of the resistor. 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. Green and blue are the first significant digits 56. In both of these calculations, the color code scheme is applicable for 4, 5, and 6 band resistors. Resistor colour code solver is a little program that can calculate the value of a resistor from its colour code and viceversa. The number of bands present in a resistor varies from three.
Here we have a resistor colored greenredgoldsilver, which would be 5. Resistor color code chart how to identify resistance. Dec 30, 2015 there are three types of resistor color coding. They are given by several bands and together they specify the resistance value, the tolerance rate and sometimes the reliability or failure rates. However the smaller resistors like those most commonly encountered are colour coded. This freeware resistor color code program is very useful for determining color. Resistor color code chart understanding resistance color coding. 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. Resistor colour code solver is a little program that can calculate the value of a resistor from its colour code.
If there is no tolerance band, then find the side that has. There are several bands to specify the value of resistance. For each subsequent color 2nd and 3rd for 5band, you simply multiply the current. Color coding is standardized by the electronic industries association eia. Resistors are available from few ohms to several mega ohms. Resistors, dmm, dc power supply, breadboard, and connecting wires. Resistor color code may suit anyone involved in electronics whether he is a student or a professional. The coding is defined in the international standard iec 60062. Your code for determining the significant figures in your resistor value is quite a bit more complex than needed. The color code consists of various color bands, which indicate the resistance values of resistors in ohms as well as the tolerance rating. Resistor color code calculator free software downloads and. Resistor colour code solver is a featured resistor value calculator which offers both color code to value and value to color code conversions. Download resistor color code software for pc for free.
1234 1125 249 996 1209 921 356 1281 1400 1538 544 832 1301 1286 949 1138 319 914 397 389 244 1379 420 679 1306 283 747 396 1063 1414 750 1133 758 1331 524 878 373 801 1259 593 751 1198 1353 323