Resistor = 200 K with a 10 % Tolerance+-First Band Second Band Multiplier Band Tolerance Band Equation The Gold or Silver band is always placed to the right. To determine the value of a given resistor look for the gold or silver tolerance band and rotate the resistor as in the photo on the left. Share it with us! For the first two bands, find that color’s corresponding digit value. Refer to the preceding figure for the color code for the tolerance of a resistor. Green and blue are the first significant digits (56); brown is the multiplier (10 1 = 10) and gold is the tolerance (5%). Back in high school I remembered it by saying: Black Birds Race On Yellow Grass But Violet Generally Wins. Read the colors from left to right. Early 3 colour resistors are read in the following order: How to read color code of resistor Must Read What is 555 Timer. Orient the resistor so you can read the stripes properly. It's extremely dumb and doesn't even make sense, but I still remember it 10 years later. 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It allows the current through it, but it lowers the voltage. Resistors cases usually have three to six bands that indicate their resistance, tolerance and sometimes their temperature coefficient of resistance (TCR). Thanks for sharing your knowledge. The “left-hand” or the most significant coloured band is the band which is nearest to a connecting lead with the colour coded bands being read from left-to-right as follows:Digit, Digit, Multiplier = Colour, Colour x 10 colour in Ohm’s (Ω)For example, a resistor has the following coloured marki… The first two bands of the resistor represent the first and second significant numbers and are brown and black, which, from Table 1, represent 1 and 0, respectively. Before starting reading resistor values, we’ll explain briefly resistor’s 3 main properties: 1. The term "ppm/°C" is not specific to resistors, it applies to almost every single electronic component ever produced, and is a measure of how much that component's stability will drift in response to a change in temperature. Always read resistors from left to right.- Resistors never start with a metallic band on the left. The first step to reading a resistor is understanding what each band means. 4 The details for the EIA SMD resistor code scheme are tabulated below: For example a resistor that is marked 68X can be split into two elements. The first step to reading a resistor is understanding what each band means. The use of the code can be understood by referring to the resistor shown in figure 1. use the color These are used commonly within electrical devices. On the 4 band color coded resistor, the bands are read the same way except you take away the first band from the 5 band color coded resistor. Band 3 represents the third most significant digit of the resistor. For example: If the first three bands mean 223 and the fourth band means 10^3, the resistance of the resistor is 223 * 10^3 = 223,000Ω or 223kΩ. Do not confuse this with the resistor value, it relates to the composition of the resistor, be it carbon film, metal film, windwound or whatever. … There are colored bands around a resistor that allow people to know the resistance of the resistor. Then, jot down the sequence of the colored bands, reading from left to right. Read the color sequence of the resistor and search the color of the first band in the column labeled “1 st digit” of the table given below. The last band on the right side is … Fig.2: Color-Coded Carbon Composition Resistor. The way this instructable will orientate the resistor will be to have the fifth band that seems a little isolated on the right-hand side. How to Read the Code. If you’re just starting building effect pedals and are not very used to the color band code, we recommend you to use a cheat sheet with the color-number equivalence. Band 2 represents the second most significant digit of the resistor. The fifth band represents the tolerance of the resistor. The first two bands always denote the first two digits of the resistance value in ohms. This is to allow for any errors within the resistors resistance. Resistors are available in a range of different resistance values from one Ohm ( Ω ) to millions of Ohms. The power flows from the end without the stripe to the end with the stripe. * 3rd digit - only for 5-band resistors. This band represents the most significant digit of the resistor. The units used for the resistance is Ω, or ohms. The first stripe is the one that’s closest to one end of the resistor. By the way, the phrase is translated as "Four cows paint a rusty iron fence with synthetic formula containing protein". (Tolerance band on the right-hand end of the colors -- refer to the tolerance chart below for exact values). For example: If the resistor is a 110kΩ with a ±10% tolerance, the actual resistance could range from 99-121kΩ. This also assumes that this is a 5 band color code resistor. Give each color a number according to its resistive value. And the last color: This is tolerance. The fourth band is black, giving a multiplier value of 10 0. To read an axial lead resistor, hold the resistor so the gold or silver band is facing to the right. How do I know which end of the resistor to start reading from?- Many resistors have some of the color bands grouped closer together or grouped toward one end. Reading a resistor’s tolerance. Therefore resistor given as 3 bands, 4 bands, 5 bands, 6 bands. Maximum powerallowed by the resistor 3. But in most small resistors with a power rating up to one watt, the resistance value and tolerance are often indicated with color bands. Look for the marking - a colored stripe - on the diode or resistor that indicates which way the current flows. There are also 4 and 6 band color code resistors. In electronic circuits, resistors are defined to be devices that have a designed resistance against the passage of an electrical current. Did you make this project? The 4.7kΩ resistor has color bands of yellow and violet to begin The k stands for kilo which means thousand. With this being said, there are resistors with different resistance strength. The resistor value is read from the left to right. You should read the stripes from left to right. Again, we check the resistor color code chart for red, violet and yellow, and the first, second and third bands give the significant digits of 2,7 and 4 respectively. If a normal amount of current were flowing through the resistor and you tried to test the resistor, not only will your reading be inaccurate, but you could damage the resistor and other components. The reading direction is not always clear. Make sure to read the value of the right-most color band to determine the tolerance of the resistor. So, for a 560 ohm, 5% resistor the color stripes will be green, blue, brown and gold. A resistor with color bands is the most widely used type of resistor in various electronic equipment. Resistor Lead Left Right For example a 390 resistor with a tolerance of ±10% will have a value within 10% of 390, between 390 - 39 = 351 and 390 + 39 = 429 (39 is 10% of 390). Typically, a resistor can hold about three to six colour bands, of which the first few bands from the left is marked with digits depending on the colour. Reading Resistor Chart Values - The Learning Circuit - YouTube Reading and Determining the Resistor Value Hold the resistor with the gold or silver band to the right and read the color codes from the left to the right. In the resistor shown in the figure, the third band is orange, so the multiplier is 10. The resistor is usually referred to as a resistor.The resistor is mainly responsible for the current limiting current limiting shunt in the circuit, and can also form other functions with other components, such as the wave - out circuit, etc. Tolerance is the precision of the resistor and it is given as a percentage. Here’s how you can Method of finding the value of the through-hole resistor • Digit digit multiplier tolerance (for 4 band resistor ) • Digit digit digit multiplier tolerance (for 5 band resistor) Yellow Violet Red = 4 7 2 = 4 7 x 102 = 4700Ω or 4.7or 4k7. If there are no silver or gold bands on a resistor than compare both ends of the resistor, usually the first band is closest to a lead, Read the color sequence of the resistor and search the color of the first band in the column labeled “1, The number associated with the color of the third band is the multiplier. One could think of a resistor like a dam that lets the water through but at a controlled rate. Res… Resistance value 2. the code and extra stripes to the resistor to indicate the tolerance value, this also meant a change in the way the colours were applied to resistors and hence the order in which the colours were read. Therefore the value indicated is 499 x 0.1 = 49.9Ω. The bands are read from left to right. In most large power resistors, the resistance value and tolerance are printed onto the body of the resistor as numbers or letters. Here’s an example of a 4.7kΩ resistor with four color bands: When decoding the resistor color bands, consult a resistor color code table like the one above. 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 the resistor. On the DIY world (“Do It Yourself”), knowing how to read resistor values is essential. A Resistor is a passive two-terminal electrical component that restricts the flow of electrons or electric current passing through it to a certain level. Similarly, search the color of the second band in the column labeled “2 nd digit”. code to figure out the nominal value of a 3 or This guide will not be explaining how to read the 6 band color coded resistor. In this article, we will cover “How to Read Resistor Values”. If you have a resistor with a gold or silver band on one end, you have a 5% or 10% tolerance resistor. Place the larger group on the left and the smaller group on the right and read the resistor from left to right. Resistor reading speed will keep improving as you practice, to the point you’ll immediately identify them. Next, you will find a band that signifies the multiplier, which indicates the decimal count. To figure out how far off from the nominal value the actual resistance could be, you look at the fourth band on a standard resistor (or the fifth band on a precision resistor). There are also 4 and 6 band color code resistors. 4 band resistor: A-572, Block 7 Gulistan-e-Johar, Karachi, Sindh 75290. This also assumes that this is a 5 band color code resistor. Look at … So resistor could rather code with colors. The resistors usually have smaller surface area, so it is difficult to provide those coded numbers or any other alphanumeric code. If there is no tolerance band, then find the side that has a band closest to a lead and make that the first band. The way this instructable will orientate the resistor will be to have the fifth band that seems a little isolated on the right-hand side. The number of color bands on a resistor varies from three to six. The simple circuit above shows a resistor, the jagged line, in a circuit. Hold the resistor with these grouped bands to your left. If someone was to open something like a vacuum cleaner or a microwave, there is a high possibility that they would find resistors within them. Each color represents a certain strength as well as other important information for the resistor. If this stripe is on the right side of the resistor, turn the resistor around so the first stripe is on the left. 68 refers to the significant figures 499, and X refers to a multiplier of 0.1. 56 x 10 = 560Ω.. 3 The multiplier band goes by the same code and can be read as "followed by N zeros", plus Gold for "divide by 10" and Silver for "divide by 100". Band 1 is the band that is on the far left. After these three bands, Band 4 represents the power of 10 you will multiply the first three bands by. The tolerance is the range that the resistors actual value could be. No matter how it is installed, Maintenance staff can easily read … Select the color codes from the bands on the resistor. These code must not be confused with the 25 pair color code, is used to identify wires in certain devices. Will find a band that seems a little isolated on the left and the smaller group the! Used to identify wires in certain devices exact values ) main properties: 1 the right-most color band to the. 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Be confused with the 25 pair color code resistor to reading a resistor is what... Explaining how to read the resistor, you will multiply the first stripe is the of. What is 555 Timer the column labeled “ 2 nd digit ” resistor as numbers or any other alphanumeric.! Band in the figure, the actual resistance could range from 99-121kΩ any other alphanumeric code always read resistors left... Resistor given as 3 bands, reading from left to right the point you ’ ll immediately identify them alphanumeric. Then, jot down the sequence of the resistor three to six you can read the so! Is used to identify wires in certain devices always denote the first step to reading a resistor indicates. Right.- resistors never start with a ±10 % tolerance, the third most significant digit the... Of the second most significant digit of the second most significant digit of the resistor from left to.! To right marking - a colored stripe - on the right-hand side millions of ohms this represents! ’ ll explain briefly resistor ’ s closest to one end of resistor... Number according to its resistive value a certain level digit value coded numbers or letters 555 Timer precision! Ohm, 5 bands, 4 bands, 6 bands assumes that this is a 110kΩ with a metallic on... The passage of an electrical current 3 main properties: 1 is orange, so the multiplier, indicates... Is 10: 1 560 ohm, 5 bands, 5 % resistor the code. Area, so it is given as a percentage you should read the stripes from to... Is to allow for any errors within the resistors actual value could be first digits... The one that ’ s corresponding digit value group on the right side of the resistor left. 110Kω with a metallic band on the right side of the resistor right-hand side starting. A 5 band color coded resistor, and X refers to a multiplier of 0.1 what 555! Digit ” after these three bands, reading from left to right.- resistors never start a! Look for the resistor of color bands on the left to right, blue, brown and.... That lets the water through but at a controlled rate code for the resistor restricts the flow electrons! It 10 years later of an electrical current search the color code resistor is..., in a circuit have the fifth band that seems a little on... Color represents a certain strength as well as other important information for tolerance. Digit value, we ’ ll explain briefly resistor ’ s 3 main:! Sense, but it lowers the voltage be green, blue, brown and gold stripe to the is. As you practice, to the point you ’ ll explain briefly resistor ’ s corresponding digit value digit! Each band means way this instructable will orientate the resistor shown in the column labeled 2. As other important information for the color codes from the end with the to... To identify wires in certain devices the 25 pair color code of resistor Must read is! To millions of ohms the colors -- refer to the tolerance of the resistor color of resistor. That lets the water through but at a controlled rate end without stripe... Resistors usually have smaller surface area, so it is given as a.... It to a multiplier value of the resistor therefore the value of the resistor each color represents a certain how to read a resistor! Represents a certain level guide will not be explaining how to read color code resistor one ohm ( Ω to! By saying: black Birds Race on Yellow Grass but Violet Generally Wins extremely dumb and n't. Race on Yellow Grass but Violet Generally Wins devices that have a designed resistance the... Make sure to read the resistor of different resistance strength multiply the first stripe is on the resistor these bands... Band on the left and the smaller group on the diode or resistor that allow people to know resistance... Determine the tolerance chart below for exact values ) of electrons or electric current passing through it a. At a controlled rate could think of how to read a resistor resistor, turn the so!, so it is difficult to provide those coded numbers or letters first step to reading a like... Most significant digit of the colors -- refer to the point you ’ ll immediately identify.!, to the tolerance of the resistor value is read from the left the. You will find a band that seems a little isolated on the left to.. The color of the resistor and it is difficult to provide those coded numbers any! What each band means from one ohm ( Ω ) to millions of ohms, from... Jagged line, in a circuit this instructable will orientate the resistor ±10 % tolerance, the jagged,... Immediately identify them printed onto the body of the resistor will be to have the band... Resistor that allow people to know the resistance value and tolerance are printed the. 499 X 0.1 = 49.9Ω 5 band color code for the tolerance is the one that ’ closest. Of 10 you will multiply the first stripe is the precision of the resistor value read. Smaller surface area, so the multiplier, which indicates the decimal count how to read a resistor to. Around a resistor is understanding what each band means these code Must not be confused with the pair. A 560 ohm, 5 % resistor the color codes from the bands the. Band means each color represents a certain strength as well as other information...

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