Both of these conversions are available for 4 band, 5 band, and 6 band resistors. The calculator is capable of finding suitable standard e12 10% resistor value and power for one led designs. Led resistor calculator lies within office tools, more precisely calculators. The second calculator gives a more accurate value using these figures, which can be found in the suppliers catalogue. The wizard will help you pick the resistors make the connections for any number of leds. They have different numbers of color bands and hence provide different information. Parallel resistors are connected together in parallel when both of their terminal is connected to each terminal of the other resistors. Led series current limiting resistor calculator useful when designing circuits with a single led or seriesparallel led arrays for both the common small current. The webpage is not working since javascript is not enabled. Calculating the value of the resistor will require gathering a few bits of information about your led from its data sheet. 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. To calculate the resistor needed for a simple led circuit, simply take the voltage drop away from the source voltage then apply ohms law.
Download resistor color code calculator 4, 5 and 6 band. Online calculators, software downloads, technical data, beginners guide, pinouts, forum. Do you like to work with leds or would start to but youre afraid of burn them out. It calculates a suitable resistor for led circuits. You have to utilize a current limiting resistor in series with the led for protection. By using this resistor calculator it is very simple to determine the color code of a resistor based on the resistor value.
This calculator is based on the ohms law calculator, but takes into consideration the voltage drop from the led. The following calculator will determine the unknown series resistor value in ohms for the led circuit shown. Mcu 8051 ide integrated development environment for some microcontrollers based on 8051e. Resistor color code calculator the calculator above will display the value, the tolerance and performs a simple check to verify if the calculated resistance matches one of the eia standard values. It finds you the best resistor in e series and within displayed renard number. Led resistor calculator single led leds in series leds in parallel voltage drop is usually 1.
The resistance required is equal to the supply voltage minus the forward voltage times the number of leds, divided by the forward current. As a bonus, it will also calculate the power consumed by the led. Select the first 3 or 4 bands for 20%, 10% or 5% resistors and all 5 bands for precision 2% or less, 5band resistors. Just input the indicated values and press the calculate button. Voltage drop across led volts desired led current milliamps. Leds are generally made with the builtin series resistors, which is one of the easiest way to limit and control the flow of the power. Start using this tool now and find the most suitable resistors for your. The current through the circuit is constant so iled is also the current through the resistor. In this case, enter any two of the following values.
With this event i want to share with you led calculator. Use this online calculator to find the value of the current limiting series resistor when burning the single or an array of lowcurrent leds. Resistor calculator helps to determine the correct colour code of resistor. So far, it only has the led limiting resistor calculator, a little resistor color code utility, and a 4n25 optoisolator multi led resistor calculator. Superbright leds can go from 30ma up to several amps. Thank you for downloading led resistor calculator from our software library. The wattage of the resistor is of a less matter, e. This calculator will help you determine the value of the resistor to add in series with the led to limit the current. Download software led resistor calculator for free. This led calculator will help you design your led array and choose the best current limiting resistors values. The led seriesparallel array wizard is available for those of you who need to do calculations involving more than one led. Our builtin antivirus scanned this download and rated it as 100% safe.
Find the value and tolerance of a 4band, 5band, or 6band resistor with our resistor colour code calculator or download our colour code pdf for reference. Led resistor calculator resistor value for leds circuit. 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. We also encourage you to check the files with your own antivirus before launching the installation. Download software led resistor calculator for free windows. This led calculator will help you calculate the resistor values you will need when designing a seriesparallel led array circuit. 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. Led calculator current limiting resistor calculator for. The led calculator will display the resistance value, draw a small schematic and show you the color code of the nearest lower. All are shown in the same screen in order to make direct comparisons on values. Safe pick is a resistor with power rating of watts. 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. Led resistor calculator resistor led calculator for determining the value of the current limiting series resistor when driving a single or more seriesparallel of. 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 led calculator for determining the value of the series resistor. Led series resistor calculator 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. To get started, input the required fields below and hit the design circuit. Resistor led calculator for determining the value of the current limiting series resistor when driving a single or more seriesparallel of leds.
The standard resistor values are based on the listing in the digikey catalog. This calculator will help you identify the value, tolerance and temperature coefficient of a color coded resistor by simply selecting the bands colors. To determine the correct resistor value, ohms law is used to derive a formula for the resistor. Led resistor calculator is the perfect solution for you, bundled with a huge feature set, yet retaining simplicity and ease of use. It can show the actual calculated resistor value and the nearest higher standard resistor value. If using more than 1 led in parallel, change the number of leds.
Led series resistor calculator digikey electronics. Download this app from microsoft store for windows 10 mobile, windows phone 8. Download resistor calculator for leds serial and parallel 2. It will also calculate the minimum and maximum values based on the tolerance ratio. 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. It is too difficult to find the exact value of resistors that you have calculated. Office tools downloads led resistor calculator by and many more programs. In this software, you have 8 color codes for tolerance level, which include brown, red, green, blue, violet, silver, gold, and grey. Resistor calculator calculate the color code of a resistor based on the resistor value and. 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. You can calculate the value of an unknown resistor with this program. This calculator for led resistor is very useful and easy to use. Resistor colour code solver is a featured resistor value calculator which offers both color code to value and value to color code conversions.
The software is periodically scanned by our antivirus system. Parallel circuit refers to the closed circuit where the current is split into 3 or more. The current setup file available for download requires 56 kb of hard disk space. Software that calculates the resistor value and its power consumption in different led s circuit configurations simple, series o parallel according to the source voltage, the led s voltage and the wanted current value.
This calculator is very simple to use and produce accurate results. 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. The version of led resistor calculator you are about to download is 1. Most likely, you are viewing using dropbox website or another limited browser environment. Also, resistor for led calculator has been provided which will help you to calculate the led resistor in easy way. Led resistor calculator led series resistor calculator. Also, you can cross check your calculated led resistor value is matching with the value generated by led resistor calculator. This is the minimum power rating you can use on your resistor. Each download we provide is subject to periodical scanning, but we strongly recommend you to check the package for viruses on your side before running the installation. These calculators give values for led current limiting series resistors. Led resistor calculator free download windows version. This java script was graciously provided by the cool folks at.
1252 801 1278 450 102 1557 1075 799 1289 1220 763 359 1114 1465 1304 788 477 864 974 864 1064 629 761 312 1319 1147 1174 610 824 114 489 685 619 400 492 995 1311