Resistor Calculator  

 

 

Try our Resistor calculator to figure the needed resistance. 

Voltage Source

=

LED Forward Voltage Drop

=

LED Forward Current in Milliamps

=

Needed Resistance in Ohms

=


Using Standard 5% Resistor


Closest Standard 5% Resistor Used

=

Closest Standard 5% Resistor Wattage

=

Actual Current

=

Total Power Dissipated By LED

=



Total Power Dissipated By Resistor

=






More Pages

Unjacketed Fiber    Jacketed Fiber    Fluorescent Fiber    Endglow Cable    Sideglow Cable    Tools

Light Units    Connectors    Model Lighting    Fiber Toys    Fiber Kits    LED's    Fixtures    Glow Wire

Novabright Unit    Star Ceilings   Luxeon Leds   Landscapes   Pool & Spa    Architectural 

Electronics    Prototyping  

 

Q & A: Most Asked Questions

Home

 Copyright © 1998-2010 Fiber Optic Products, Inc.

10-1-10