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Dielectric Materials

Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…


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Complex Numbers, Phasors And Phase Shift

Complex Numbers, Phasors And Phase Shift

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


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Mica Capacitor

Mica Capacitor

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


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Parallel resistor calculator

Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…


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Resistors for LED Circuits

Resistors for LED Circuits

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


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Filter capacitor

Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…


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Power Rating

Power Rating

What is the Power Rating of a Resistor? The power rating of a resistor…


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Kirchhoff’s Laws

Kirchhoff’s Laws

Gustav Robert Kirchhoff   Kirchhoff's laws are essential for…


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Resistance of a Resistor

Resistance of a Resistor

Resistance of a Resistor The function of a resistor is to oppose the…


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Resistors in Series

Resistors in Series

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


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Resistor Values

Resistor Values

Standard Resistor Values In 1952, the IEC (International…


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Resistor Guide Intro

Resistor Guide Intro

Welcome to the Resistor Guide! The Resistor Guide will guide you in…


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Resistor Inductance

Resistor Inductance

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


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Air Capacitor

Air Capacitor

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


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Capacitors in parallel

Capacitors in parallel

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


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Resistor Symbols

Resistor Symbols

All types of resistors have their own resistor symbols which are used…


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Resistor Color Code Calculator

Resistor Color Code Calculator

This resistor color code calculator will help you determine the value…


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Resistor Sizes and Packages

Resistor Sizes and Packages

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


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Wirewound Resistor

Wirewound Resistor

What is a Wirewound Resistor? A wirewound resistor is an electrical…


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Carbon Film Resistor

Carbon Film Resistor

What is a Carbon Film Resistor? Carbon film resistors are a type of…


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Carbon Composition Resistor

Carbon Composition Resistor

An Introduction to Carbon Composition Resistors Carbon composition…


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Ohm’s Law

Ohm’s Law

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


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Resistor Color Code

Resistor Color Code

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


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Dielectric Materials

Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…


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Metal Film Resistor

Metal Film Resistor

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


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Capacitor Guide Intro

Capacitor Guide Intro

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


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Passive And Active Electronic Components

Passive And Active Electronic Components

In a previous page, we discussed phasors, but we didn’t explore…


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Metal Oxide Film Resistor

Metal Oxide Film Resistor

What are Metal Oxide Film Resistors? Metal-oxide film resistors are…


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Motor starting capacitor

Motor starting capacitor

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


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Thin and Thick Film

Thin and Thick Film

What are Thin and Thick Film Resistors? Thin and thick film resistors…


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Resistor Guide Intro

Resistor Guide Intro

Welcome to the Resistor Guide! The Resistor Guide will guide you in…


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Thermistor

Thermistor

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


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Blower Resistor

Blower Resistor

What is a Blower Resistor? Blower resistors are resistors which are…


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NTC Thermistor

NTC Thermistor

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


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Digital Potentiometer

Digital Potentiometer

What is a Digital Potentiometer? A digital potentiometer (also known…


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Thin and Thick Film

Thin and Thick Film

What are Thin and Thick Film Resistors? Thin and thick film resistors…


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How To Calculate Power Factor Correction

How To Calculate Power Factor Correction

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


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Pull-up and Pull-down Resistors

Pull-up and Pull-down Resistors

What Are Pull-up Resistors? Pull-up resistors are resistors used in…


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Capacitors in parallel

Capacitors in parallel

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


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Resistors for LED Circuits

Resistors for LED Circuits

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


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Coupling and Decoupling

Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…


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Power Resistor

Power Resistor

What Are Power Resistors? Power resistors are designed to withstand…


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AC Power Analysis In Reactive Circuits

AC Power Analysis In Reactive Circuits

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


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Resistor Properties

Resistor Properties

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


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Magneto Resistor

Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…


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Capacitor Guide Intro

Capacitor Guide Intro

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


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PTC Thermistor

PTC Thermistor

What are PTC Thermistors? PTC stands for "Positive Temperature…


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Parallel resistor calculator

Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…


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About the Authors

About the Authors

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


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Resistor SMD Code

Resistor SMD Code

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


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Wirewound Resistor

Wirewound Resistor

What is a Wirewound Resistor? A wirewound resistor is an electrical…


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