Varistor

What is a Varistor? A varistor is a voltage dependent resistor (VDR).…

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Resistors for LED Circuits

Resistors in Light Emitting Diode (LED) Circuits An LED (Light…

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Resistor Color Code

How Does the Resistor Color Code Work? Check out the All About…

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Motor starting capacitor

Motor capacitors AC induction motors use a rotating magnetic field to…

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Resistor Sizes and Packages

Resistors are available in a large number of different package styles…

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Ohm’s Law

What Is Ohm’s Law? Ohm’s law states that the electrical…

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Parasitic Inductance

What is inductance? Electric inductance is a property of all…

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Sinusoidal Steady State Power and Average Power

In this page, we will expand and reinforce our understanding of power…

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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About the Authors

Robert Keim Robert Keim graduated from the University of California,…

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NTC Thermistor

What are NTC Thermistors? NTC stands for "Negative Temperature…

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Capacitor Guide Intro

Welcome to the Capacitor Guide! Your guide in the world of capacitors.…

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Fixed Resistor

What is a Fixed Resistor? Fixed value resistors have a defined ohmic…

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Resistor Inductance

What Is Resistor Inductance? Inductance is an electrical property of…

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Resistor Color Code

How Does the Resistor Color Code Work? Check out the All About…

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Capacitors in series

Capacitors in series Like other electrical elements, capacitors serve…

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Photoresistor

What are Photoresistors? Photoresistors, also known as light dependent…

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Metal Film Resistor

Metal Film Resistors Metal film resistors have a thin metal layer as…

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Motor starting capacitor

Motor capacitors AC induction motors use a rotating magnetic field to…

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Mica Capacitor

What are mica capacitors? Mica is a group of natural minerals. Silver…

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Resistors in Parallel

How to Calculate the Equivalent Resistance for Resistors in Parallel?…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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What Is Meant By Electrical Resistance?

Different materials react to voltage in different ways. If a material…

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Capacitors in parallel

Capacitors, like other electrical elements, can be connected to other…

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