The colour bands of the resistor would look like this. If the file has been modified from its original state, some details may not fully reflect the. The use of color bands on the body of a resistor is the most common system for indicating the value of a resistor. It relates resistor color codes to scientific numbers and engineering notation. How to read the resistor code first find the tolerance band, it will typically be gold 5%. A resistor is an electric element that limits the flow of the electric current into an electric circuit. The color code consists of various color bands, which indicate the resistance values of resistors in ohms as well as the tolerance rating. Silver being within 10% and no color band being within 20%. The first two bands represent the most significant digits of the resistance value. The resistor is good for opamp,power amp negative feedback because it has a very accurate resistive value. Use the resistor color code chart below to understand how to use the color code system.
Components and wires are coded with colors to identify their value and function. Type the resistance in the box below and select the units and optionally the tolerance from the dropdown boxes. W are sh on the printed circuit boards, surface mount resistors may be used during production as shown in resistances, singleinlin shown in. Details of the colour code system can be found here in the technical data section. Blue 6, grey 8, black 0, orange 3, gold 5% the color code value of the above resistor is 68. Composition resistors are color coded to indicate resistance values or ratings.
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. Sep 22, 2007 this video describes resistor color codes and how to read them. If the file has been modified from its original state, some details may not fully reflect the modified file. Resistors are devices that limit current flow and provide a voltage drop in electrical circuits. This is to prevent having metal particles in the coating. The first three color bands represent significant digits, the. So, for example, if a resistor has brown and red as the. Resistor color code and types of resistors introduction to resistors. When looking at the chart, note the illustration of three round resistors with numerous color code bands. The five band resistor color code is more likely to be associated with the more precision 1% and 2% types. Q1 which end of the resistor must be used for reading the colour codes.
The first resistor in the chart with 4 bands tells you the minimum information you can learn from a resistor. Generally, if an additional fifth band is black, the resistor is a wirewound resistor. Resistor color codes pdf download build electronic circuits. A 5 bands resistor color codes have third digit color bands. Resistor and in excel and word formats free samples of these templates can. Sales, authorized distributors technical questions. In the case of a 3 or 4 band resistor, the first two band indicate the significant digits and the third indicates the multiplier. Do you remember what the colors on your resistor means. If there is no tolerance band, then find the side that has. The 120 ohm resistor has a value ranging between 110 and ohms.
For carboncomposition and carbon film resistors, the common tolerances are 5%, 10%, and 20%. Practically all leaded resistors with a power rating up to one watt are marked with color bands. Updated resistor color code pdf chart resistor color. Use the resistor color code chart how to read a typical 4. For a typical fourband code, the first two bands tell you the first two digits of the resistance, the third band tells you how many zeros to add, and the fourth band tells you the tolerance. Black is 0, brown is 1, red is 2 and so on see the color code table below. 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. Different codes are used for wire leads on devices such as transformers. Position the resistor with this band on the right side and again read your resistor from left to right. The 4th color band indicates the resistors tolerance and is normally gold. Until fairly recently, 10% tolerance resistors were the norm, but today, 5% e24 resistors seem to be the most commonly used.
This tool is used to decode information for color banded axial lead resistors. This calculator converts resistor values to or from 5band or 4band colour codes. Hence, the resistance value of the given resistor is 2500 5%. The coding is defined in the international standard iec 60062. Resistor color code calculator calculate 4 and 5 band. Calculate resistor color codes with this handy reference app. You can easily figure out the resistance value of your resistor by looking at theses bands and comparing them with the colors in the table below. The industry standard resistor color code is used to identify the resistance value of resistors used in all kinds of electronics.
The colors brown, red, green, blue, and violet are used as tolerance codes on 5band resistors only. 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. Nov 27, 2016 a 5 bands resistor color codes have third digit color bands. It can be seen from this that the third ring corresponds to the number of zeros after the significant figures. Download and create your own document with resistor color code chart 2 74kb 5 pages for free. Terminal strength no evidence of mechanical damage. The first and second band represent the numerical value of the resistor, and the color of the third band specify the poweroften multiplier. Different codes are used for wire leads on devices such as transformers or in building wiring. Resistor and in excel and word formats free samples of these templates can be downloaded here and printed for further use.
Next comes a small gap helping you to distinguish left and right of the component and finally the. The next reasonable value is 120 ohms because the 100 ohm resistor with a 10% tolerance is expected to have a value somewhere between 90 and 110 ohms. This video describes resistor color codes and how to read them. Given 10 different sets of color bands, determine the resistor values and tolerances.
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. Reading the resistor from left to right, the first two color bands represent significant digits, the third band represents the decimal multiplier, and the fourth band represents the tolerance. Resistor color codes pdf download build electronic. Fillable and printable resistor color code chart template 2020. To determine the exact range that the resistor may be, take the value of the resistor and mutiply it by 5,10, 0r 20%. If only one black band in the center, the resistor is called zero ohm resistor. I never remember them, so i always have a handy table of the resistor color codes nearby. Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. Try out our resistor color code calculator in our tools section. Your garden variety 5% general purpose types will be four band resistance codes.
An example calculating the range of a resistor value is. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The e12 series comes in twelve vaues for every decade. 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. Resistor color code charts, html color code chart templates are quite helpful for young students pursuing electronics engineering as well as companies dealing in chip designing or vlsi design. Resistor values are often indicated with color codes.
In the case of 5 band and 6 band resistors the first three bands indicate the significant digits and the fourth band. Gold means the resistor is within 5% of being deadon accurate. The color bands are always read from left to right starting with the side that has a band closer to the edge. Resistor color code calculator 4 and 5 band resistors. Resistors come in variations with 4, 5 or more color bands where a 4band color code is most common. The resistance value for a resistor is generally indicated through the use of a 4 or 3, or 5 band color code. 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. This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. With 4 bands the first and second band represent the first and second signficant digit of the ohm value, the 3 band is the decimal multiplier. Fill, sign and download resistor color code chart template online on. The third band represents the powerof10 multiplier.
With that knowledge, realize that on a fourband resistor the third color will always be blue 106 or less and on a fiveband resistor, the fourth color will always be green 105 or. To calculate the color code of the above 5 band resistor, 5 band resistors consist of colors. If an additional fifth band is white, the resistor is a fusible resistor. If the colored bands on the resistor are green, blue and red. Do you wonder what the resistor color codes on your resistor mean. This chart shows you how you can read the resistor color bands. Different types of resistors and color coding in electronic. It includes also numerical codes, as for example often used. Resistor color code system how to read the resistor code. Resistor color codes 5 band tolerance multiplier 2nd digit 1stdigit tolerance multiplier 2nd digit 1st digit 3rd digit b 4 band so the value of the resistor given in fig. If there is only one black band in the center, the resistor is called a zero ohm resistor. Green and blue are the first significant digits 56. This versatile tool not only allows users to determine the value of a resistor based on the color code but also find the color codes for a 4 and 5 band resistor. This standard describes the marking codes for resistors and capacitors.
A separate code, the 25pair color code, is used to identify wires in some telecommunications cables. The third band represents the power of 10 multiplier. A current that is passed through the resistor is always directly proportional to the voltage across the terminals of the resistors. Those consist of the first, second and third digits, so it will be 785. 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 and chart 4band, 5band. For carboncomposition and carbon film resistors, the common tolerances are 5%, 10%, and 20%, indicating that the actual value of the resistor can vary from the nominal value by 5%, 10% and 20%. Select the resistor type 4 or 5 bands using the radio buttons.
Resistors come in a range of values but the two most common are the e12 and e24 series. The colors of the first two bands represent the numerical value of the resistor. Resistor color code 6 band color code 5 band color code 4band color code gry8. The first two bands of resistor show the resistance value of the resistor. Resistor color codes color codes electronics textbook. As an example if a resistor had the rings yellow, purple, red these would correspond to the values 4, 7, 2, indicating a resistance of 47 x 102 or 4700 ohms. Products resistor color code calculator tool resistor color code calculator sales, authorized distributors technical questions. The app is useful for every maker, engineer, student and arduino or raspberry pi tinkerer when working with electronics. Our free resistor color code calculator makes it even simpler. Because carbon resistors are physically small, they are colorcoded to identify their resistance value in ohms. Sixband resistor color codes pdf file for 6band color codes example. They still can be found in vintage radios, old amplifiers, etc.
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