LED Parallel Resistor Calculator

Parallel resistors are connected together in parallel when both of their terminal is connected to each terminal of the other resistors. Parallel circuit refers to the closed circuit where the current is split into 3 or more paths & finally recombines to complete the circuit. Parallel resistance of a set of resistors in parallel is found by the reciprocals of the resistance values & then reciprocating the total. Find resistance & recommended resistor using this led parallel resistor calculator.

Parallel LED Resistor Calculator

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Parallel resistors are connected together in parallel when both of their terminal is connected to each terminal of the other resistors. Parallel circuit refers to the closed circuit where the current is split into 3 or more paths & finally recombines to complete the circuit. Parallel resistance of a set of resistors in parallel is found by the reciprocals of the resistance values & then reciprocating the total. Find resistance & recommended resistor using this led parallel resistor calculator.

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Formula:

Resistance = (Supply Voltage - LED Voltage)/(LED Current(A) x Number of LED)

Example:

Parallele LED Resistor Calculation 4 blue color LED with voltage 3.6 V has a supply voltage of 12 V and the flow of current is 9 mA.

Solution:

Resistance = (12 - 3.6) / (9 x 4)
= 233.3333 Ω


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