This is true for many materials, over a wide range of voltages and currents, and. Automatically the equivalent resistance value will appear. Resistors come in variations with 4, 5 or more color bands where a 4band color code is most common. 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. Then press calculate and it will give you the answer. Just enter the resistance value in ohms in the boxes for resistor 1 and 2. Finds a combination of two series or parallel connected resistors for a custom value.
Experiment with the voltage drop and ohms law calculators, or explore hundreds of other calculators. The second calculator gives a more accurate value using these figures, which can be found in the suppliers catalogue. Our resistor color code calculator is a handy tool for reading carboncomposition resistors whether its a 4band, 5band or 6band type. This is the minimum power rating you can use on your resistor. Calculating current limiting resistor values for led circuits. Ohms law states that the current through a conductor between two points is directly proportional to the voltage. The calculator does not go to 3 spots after the decimal and therefore, shows 0. R n are the individual resistor values r total is the total resistance value in parallel parallel resistance calculation in a circuit is made easier here using this online electronic calculator. You can determine the total equivalent resistance r of upto 2 resistors in parallel.
This parallel resistance calculator calculates the total resistance value for all the resistors connected in parallel. 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. Resistor colour code solver is a featured resistor value calculator which offers both color code to value and value to color code conversions. Parallel resistance calculator to calculate the values of resistors in parallel in a circuit. The calculator is capable of finding suitable standard e12 10% resistor value and power for one led designs. In both of these calculations, the color code scheme is applicable for 4, 5, and 6 band resistors. Know the value of the resistor r know how many resistors you are using n read the output x here is the. Parallel resistor calculator the engineering mindset. Resistors are in parallel if their terminals are connected to the same two nodes. Parallel resistance calculator electrical engineering.
Resistor color code calculator and chart 4band, 5band. The parallel resistor calculator computes the first resistor, second resistor or parallel resistance by entering the other two values. In this case, enter any two of the following values. Download resistor calculator for leds serial and parallel toni december 29, 2015 april 7, 2010 calculator, download 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. Feb, 2016 how to measure resistance, voltage, and current in a 2 resistor parallel circuit. Experiment with the voltage drop and ohms law calculators, or. A resistor network that is a combination of parallel and series connections can be broken up into smaller parts that are either one or the other. Mcu 8051 ide integrated development environment for some microcontrollers based on 8051e. Advanced resistor calculator program electronics projects. Resistor calculator software free download resistor calculator top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Conversion calculator parallel and series resistor digikey. Resistor color code calculator calculate 4 and 5 band.
Switch to series and parallel capacitor calculator parallel resistor. In this software, you have 8 color codes for tolerance level, which include brown, red, green, blue, violet, silver, gold, and grey. Online calculators, software downloads, technical data, beginners guide, pinouts. Next comes a small gap helping you to distinguish left and right of the component and finally the.
Resistor calculator software free download resistor. This calculator can also solve other math problems. When you select a resistor for this purpose, choose a device with a power rating between 2 and 10 times the value calculated below in order to avoid excessive. This calculator will let you calculator the total resistance of a parallel resistor circuit. The application calculates limiting resistor for led diode. Also, you can cross check your calculated led resistor value is. Download software led resistor calculator for free windows. Calculate the total series and parallel resistance of a circuit using digikeys parallel and series resistor calculator. Just add the number of resistors in the first column, and then enter the values of each resistor with selecting the proper unit in. 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. Simply input how many resistors you have in parallel and the resistance value of each in the unit of ohms. Also, resistor for led calculator has been provided which will help you to calculate the led resistor in easy way. Please provide any 2 values and click calculate to get the other values in the ohms law equations v i.
When it comes to online calculation, this parallel resistor calculator can assist you to find out the total resistance value based on the input values of r1 and r2. 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. Led resistor calculator lies within office tools, more precisely calculators. In almost all applications where leds are used, a resistor in series with led is connected. To know more about resistor, please visit below articles. Electronics 2000 series parallel resistor calculator. The following are tools to calculate the ohm value and tolerance based on resistor color codes, the total resistance of a group of resistors in parallel or in series, and the resistance of a conductor based on size and conductivity. Our mission is to provide a free, worldclass education to anyone, anywhere. The equivalent resistance of several resistors in parallel is given by. Office tools downloads led resistor calculator by and many more programs are available for instant and free download. Both of these conversions are available for 4 band, 5 band, and 6 band resistors.
A resistor network that is a combination of parallel and series connections can be broken up. All are shown in the same screen in order to make direct comparisons on values. Resistor calculation for led circuits single, in series, parallel. Parallel resistor calculator from ab electronics uk. There are also some worked examples below the tool. This calculator can determine the resistance of up to 10 resistors in parallel. Also includes and ohms law calculator and a resistor color. The current setup file available for download requires 56 kb of hard disk space. Download software led resistor calculator for free. Resistor calculator has an automatic program update.
In resistor for led calculator we had already included the calculator for both resistor for led in series and resistor for led in parallel. 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. The voltage divider resistor calculator calculates the value of the resistor, r2, of the voltage divider network based on the value of resistor, r1, the input voltage, vin, and the output voltage, vout. 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. To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change.
Displaying the closest resistor of the e series and renard numbers. The equivalent overall resistance is smaller than the smallest parallel resistor. 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. Resistor calculator for windows free downloads and. Resistor led calculator for determining the value of the series resistor. 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. Led resistor calculator free download windows version. The third calculator will find a resistor value to place in parallel with a given resistor value to produce a specified total. Enter any two values and select unit then click on calculate. Use this calculator to quickly calculate the equivalent resistance value of two resistors in parallel. It will then provide you with the most suitable and closest resistor of the e series e12, e24, e48 etc.
To quickly calculate the equivalent resistance value of two resistors in parallel, you can use the parallel resistor calculator. Two resistors in parallel and the resulting total resistance. Parallel resistors part 1 parallel resistors part 2. Finding total resistance r t when r 1 and r 2 given. Calculator that determines resistance of up to 10 resistors in parallel. 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. How to measure resistance, voltage, and current in a 2 resistor parallel circuit. Led series resistor calculator digikey electronics. Parallel resistor calculator calculate parallel resistance. Resistor for led calculator power electronics talks. Parallel resistance calculator daycounter engineering resources. If you connect multiple leds in parallel, the current through the resistor increases though the current through each led remains the same. Parallel resistor calculator resistance of parallel.
It also contains an ohms law calculator, voltage divider calculator, parallel resistance calculator, and an l. The third calculator will find a resistor value to place in parallel with a given resistor. Figure 1c shows an example with three leds connected in parallel. The equivalent resistance of parallel resistors is computationally more complex. As a test, if you input resistances of 3, 9 and 18 ohms, your answer should be 2 ohms. Led series resistor calculator use this tool to calculate the resistance required to drive one or more seriesconnected leds from a voltage source at a specified current level. This tool is a useful reference that displays the resistor value based on user input. Resistor and working of resistor electrical resistance and resistivity standard resistor values conclusion.
It can also calculate resistor value if it is provided with the relevant colour code. The following calculator will determine the unknown series resistor value in ohms for the led circuit shown. Selection of resistor for led is not a difficult task only step wise process has to follow which is given in this article. The voltage drop across the leds is unaffected, as is the voltage drop across the resistor. This resistor value of r2, is calculated by the formula, r2 vout r1vin vout to use this voltage divider resistor calculator, a user must enter the value of the input voltage, vin. Series parallel resistor calculator electronics 2000. 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. Feb 01, 20 this tool is a useful reference that displays the resistor value based on user input. This tool calculates the overall resistance value for multiple resistances connected either in series or in parallel. Download resistor calculator for leds serial and parallel 2.
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