Close; Mobile Indoor/Outdoor: Polaris Series; Mobile & Fixed Indoor/Outdoor: JP Series; Mobile & Fixed Indoor: Aries Series; Mobile Indoor/Outdoor: Altair Touring Series Current is usualy 20mA, for UFO LEDs current is: 30mA for InGaN and 50mA for AlGaInP. Other Calculators: Other Notes: F.A.Q. Single LEDs. Home; Products. If I were to run 3 Bridgelux Vero 29 Gen 7 B at 1400mA, would I be getting 210.4W (Power Total) OR would I be getting 320.6W (Max Power) using the Mean Well HLG-320H-C1400? Calculator.net's sole focus is to provide fast, comprehensive, convenient, free online calculators in a plethora of areas. Series LEDs. If you are looking for a program that can calculate the subnet addresses range, subnet masks, broadcast address, net addresses, net prefix and net mask, don´t look for any more, you have just found one of the best. Selection of software according to "Led calculator .net" topic. 0.5W , 1W , ..... it is more important then the value itself. Currently, we have around 200 calculators to help you "do the math" quickly in areas such as finance, fitness, health, math, and others, and we are still developing more. where: V S is the source voltage, measured in volts (V),; V LED is the voltage drop across the LED, measured in volts (V),; I LED is the current through the LED *, measured in Amperes (Amps/A), and; R is the resistance, measured in Ohms (Ω). Parallel circuit refers to the closed circuit where the current is split into 3 or more paths & finally recombines to complete the circuit. Parallel resistors are connected together in parallel when both of their terminal is connected to each terminal of the other resistors. there is a very important parameter that this calculation requires to provide = the power disipation of the resistor. * The current through the circuit is constant so I LED is also the current through the resistor. Hey LEDGardener, I was wondering what the difference is between the Total Power (W) vs Max Power (W)? Calculate LED Lumen or Watt needed for your room type and size. I know you can also have a string of LEDs and the more you use you won't need resistors. All the calculators in step 2 are just doing some simple math that you can do at home: The formula to calculate resistance in a circuit is: R=V/I or, more relevant to what we're doing: (Source Volts - LED Volts) / (Current / 1000) = Resistance * So if we have a 12v battery powering a 3.5V 25mA LED our formula becomes: (12 - 3.5) / (25 / 1000) = 340ohms. LED Resistor Calculator Single led - Leds in series - Leds in parallel Voltage drop is usually 1.9~2.1V for AlGaInP, 3.1~3.5 for InGaN and 1.2V for Infrared. 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