LED Array Calculator

Design LED arrays with optimal series/parallel configuration and resistor values.

LED Array Parameters

Supply Voltage (V)

LED Forward Voltage (V)

LED Current (mA)

Total LEDs

Configuration

Array Configuration

4

Series

3

Parallel

12

Total LEDs

Resistor Requirements

Calculated Value180.0 Ohms

Standard Value180 Ohms

Resistors Needed3

Total Resistor Power216.0 mW

Power Analysis

Total Current60.0 mA

Total Power720.0 mW

Efficiency70.0%