Varistor

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

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How To Calculate Power Factor Correction

As you now know, reactive components can cause a circuit’s power…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Electrolytic Capacitor

What are electrolytic capacitors? An electrolytic capacitor is a type…

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Power Factor And RMS Explained

In the previous page, we saw that the mathematical representation of…

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AC Power Analysis In Reactive Circuits

We already know that purely reactive components (or purely reactive…

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Understanding Electrical Transformers

AC electrical systems make extensive use of transformers. A…

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Triangle Of Power And Power Factor

In a purely resistive AC circuit, power is simply power. If we add…

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Varistor

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

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Capacitors in parallel

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

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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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Polymer Capacitor

What are polymer capacitors? Polymer capacitors are capacitors which…

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What Is a Resistor?

The resistor is a passive electrical component that creates…

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Resistor SMD Code

What are SMD Resistors?   SMD resistors on a printed circuit…

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Resistor Suppliers

When you are looking for electronic components or where to buy…

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Film Capacitor

What are film capacitors? Film capacitors are capacitors which use a…

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Thermistor

What is a Thermistor? A thermistor is a temperature sensitive…

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Resistors in Series

How to Calculate the Equivalent Resistance For Resistors in Series?…

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Mica Capacitor

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

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NTC Thermistor

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

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Resistor Color Code

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

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Impedance and Reactance

Impedance and reactance An element in a DC circuit can be described…

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Resistor Properties

The function of resistors is to oppose the flow of electric current in…

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Tantalum Capacitor

What are tantalum capacitors? Tantalum capacitors are a subtype of…

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Resistor Books and Online Resources

On this page you will find a collection of valuable books and other…

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Air Capacitor

What are air capacitors? Air capacitors are capacitors which use air…

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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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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Varistor

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

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Complex Numbers, Phasors And Phase Shift

The Effect of Phase We saw in the previous page that the voltage…

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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