Code to add this calci to your website just copy and paste the below code to your webpage where you want to display this calculator. Enter the total voltage supply, resistance of first load, second load and third load and click calculate. Led resistor calculator lies within office tools, more precisely calculators. Enter any two values and select unit then click on calculate. Software that calculates the resistor value and its power consumption in different leds circuit configurations simple, series o parallel according to the source voltage, the leds voltage and the wanted current value. A voltage divider calculator calculates the voltage drops on each resistor load, when connected in series. In the area of electronics design, accurate resistor values are needed, such as in active filters, synthesizers, etc. This calculator can also solve other math problems. Office tools downloads led resistor calculator by and many more programs are available for instant and free download. Parallel resistance calculator daycounter engineering resources. Resistor led calculator for determining the value of the series resistor. It is too difficult to find the exact value of resistors that you have calculated.
Download links are directly from our mirrors or publishers website, resistor calculator 1. Conversion calculator parallel and series resistor digikey. Calculate resistor size for leds or identify resistors by code or color. Resistor color code calculator calculate 4 and 5 band. It will also calculate the minimum and maximum values based on the tolerance ratio. Resistors come in variations with 4, 5 or more color bands where a 4band color code is most common. Led series current limiting resistor calculator useful when designing circuits with a single led or seriesparallel led arrays for both the common smallcurrent 20ma leds and the more expensive, high power leds with currents up to a few amperes. The led seriesparallel array wizard is a calculator that will help you design large arrays of leds.
Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. The led calculator was great for single ledsbut when you have several, the wizard will help you arrange them in a series or combined series parallel configuration. Our mission is to provide a free, worldclass education to anyone, anywhere. This led calculator will help you calculate the resistor values you will need when designing a seriesparallel led array circuit. This parallel resistance calculator calculates the total resistance value for all the resistors connected in parallel. This is the minimum power rating you can use on your resistor.
This calculator supports resistors with 3, 4, 5, and 6 bands. Parallel resistor calculator calculate parallel resistance. Download software led resistor calculator for free. 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. Resistors are in parallel if their terminals are connected to the same two nodes. Resistor calculator for windows free downloads and. Led resistor calculator resistor value for leds circuit. So, for example, if there are 3 capacitors in parallel and each are 1nf each, the total equivalent capacitance value is 3nf. The following calculator will determine the unknown series resistor value in ohms for the led circuit shown. Online electronic calculator to calculate the resistance value of parallel resistors up to n numbers in a circuit. Download software led resistor calculator for free windows.
Know the value of the resistor r know how many resistors you are using n read the output x here is the. This calculator can determine the resistance of up to 10 resistors in parallel. You will get the results of voltage drops in volts. In parallel, the values of capacitors simply add up. Jul 18, 2018 download led resistor calculator for free.
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. Resistor calculator software free download resistor. The equivalent resistance of parallel resistors is computationally more complex. All are shown in the same screen in order to make direct comparisons on values. The following calculator will determine the unknown series resistor value. How to calculate resistors in series and parallel kitronik. The led series parallel array wizard is a calculator that will help you design large arrays of leds. Reverse engineered resistor calculator resistor pairs. By doubleclicking on any of the calculated values in the table, the set of values for r1 and r2 can be loaded into the variables section. Sep 14, 2018 download resistor calculator a practical, effective and useful application that helps you to determine the color code of a resistor and calculate resistors for led circuits. Online calculators, software downloads, technical data, beginners guide, pinouts. If you connect multiple leds in parallel, the current through the resistor increases though the current through each led remains the same. Enter resistances into the boxes below and when all values have been input, click on the calculate button and the result will appear in the box below that button.
Download resistor calculator using this simple and userfriendly application, you can quickly calculate the correct values of a resistor based on its various color bands. The led calculator will display the resistance value, draw a small schematic and show you the color code of the nearest lower. Figure 1c shows an example with three leds connected in parallel. Parallel resistance calculator electrical engineering. It will then provide you with the most suitable and closest resistor of the e series e12, e24, e48 etc. Experiment with the voltage drop and ohms law calculators, or explore hundreds of other calculators. The equivalent resistance of several resistors in parallel is given by. Resistor calculation for led circuits single, in series, parallel.
Switch to series and parallel capacitor calculator parallel resistor. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. Download this app from microsoft store for windows 10 mobile, windows phone 8. Resistor color code calculator and chart 4band, 5band. This calculator will help you identify the value, tolerance and temperature coefficient of a color coded resistor by simply selecting the bands colors.
Top 4 download periodically updates software information of resistor calculator 1. Office tools downloads led resistor calculator by and many more programs. In this case, enter any two of the following values. Mcu 8051 ide integrated development environment for some microcontrollers based on 8051e.
It can also calculate resistor value if it is provided with the relevant colour code. Led resistor calculator is a tool to calculate suitable series current limiting resistor, its power rating and power dissipation of leds, resistors and effective current passing through the led. You can easily calculate the equivalent resistance when you. Both parallel and series combinations are calculated. Parallel resistor calculator resistance of parallel. To calculate the total resistance for these two resistors in parallel. This tool is used to decode information for color banded axial lead resistors. Download resistor plus decode the resistor markings to determine various physical values, such as electrical resistance, tolerance or temperature coeficient. This tool is a useful reference that displays the resistor value based on user input. Just enter 2 known values and the calculator will solve for the others. Feb 01, 20 this tool is a useful reference that displays the resistor value based on user input. As a test, if you input resistances of 3, 9 and 18 ohms, your answer should be 2 ohms.
Series parallel resistor calculator electronics 2000. These values are not to get with one resistor from the usual e24 range. The second calculator gives a more accurate value using these figures, which can be found in the suppliers catalogue. This free resistor calculator converts the ohm value and tolerance based on resistor color codes and determines the resistances of resistors in either parallel or series, as well as the resistance of a conductor. If you are not able to find the exact value of resistor that you have calculated, then select the next coming value of resistor that you have calculated, for example, if the calculated value is 3. When you do not have an exact resistor value in building a circuit, you need to combine two resistors either in series or in parallel. Calculating current limiting resistor values for led circuits. The equivalent overall resistance is smaller than the smallest parallel resistor. Calculate the total series and parallel resistance of a circuit using digikeys parallel and series resistor calculator. This is true for many materials, over a wide range of voltages and currents, and the resistance and conductance of electronic components made from these materials remains constant. Calculating reverse engineering resistor pairs by hand is tedious and time consuming even with a pocket calculator. Next comes a small gap helping you to distinguish left and right of the component and finally the. The wizard determines the current limiting resistor value for each portion of. The script allows you to combine up to four resistors in parallel or in series to obtain a desired value.
To use it, just specify how many parallel resistors there are and the resistance value for each one. Resistor calculator has an automatic program update. Mar 03, 2014 download resistor calculator using this simple and userfriendly application, you can quickly calculate the correct values of a resistor based on its various color bands. Parallel resistor calculator is an online tool for electrical and electronic circuits to measure the equivalent resistance of the resistors connected in parallel. Electronics 2000 series parallel resistor calculator. It also contains an ohms law calculator, voltage divider calculator, parallel resistance calculator, and an l. Enter resistances into the boxes below and when all values have been input, click. Download resistor calculator for leds serial and parallel 2. The third calculator will find a resistor value to place in parallel with a given resistor value to produce a specified total. 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 calculator software free download resistor calculator top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices.
Led resistor calculator is the perfect solution for you, bundled with a huge feature set, yet retaining simplicity and ease of use. In the multi resistor possibilities section, there are suggestions for combinations evolving two resistors to make up a value for r2. The led calculator was great for single ledsbut when you have several, the wizard will help you arrange them in a series or combined seriesparallel configuration. To quickly calculate the equivalent resistance value of two resistors in parallel, you can use the parallel resistor calculator. The calculator does not go to 3 spots after the decimal and therefore, shows 0. In this software, you have 8 color codes for tolerance level, which include brown, red, green, blue, violet, silver, gold, and grey. Led calculator current limiting resistor calculator for. The third calculator will find a resistor value to place in parallel with a given.
The voltage drop across the leds is unaffected, as is the voltage drop across the resistor. This tool calculates the overall resistance value for multiple resistances connected either in series or in parallel. In both of these calculations, the color code scheme is applicable for 4, 5, and 6 band resistors. Two resistors in parallel and the resulting total resistance. Just add the number of resistors in the first column, and then enter the values of each resistor with selecting the proper unit in. Displaying the closest resistor of the e series and renard numbers. Ohms law states that the current through a conductor between two points is directly proportional to the voltage. Resistor colour code solver is a featured resistor value calculator which offers both color code to value and value to color code conversions. Resistor color code calculator and chart 4band, 5band or 6. The current setup file available for download requires 56 kb of hard disk space.
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