Shunt Resistor

Definition Shunt Resistor A shunt resistor is used to measure electric…

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Basic DC Circuit Theory

Voltage and Current Relationship The earth is a dynamic place. Objects…

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Varistor

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

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Thermistor

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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PTC Thermistor

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

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Variable Resistor

What is a Variable Resistor? A variable resistor is a resistor of…

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Resistor SMD Code

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

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NTC Thermistor

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

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Power Resistor

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

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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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Metal Film Resistor

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

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Capacitor Guide Intro

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

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Trimmer Capacitor

What are trimmer capacitors? Trimmer capacitors are variable…

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Tantalum Capacitor

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

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Standard Resistor Power Ratings

An electrical device’s power rating provides a general idea of…

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Resistors in Series

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

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Resistor Guide Intro

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

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Capacitors in parallel

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

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Resistor SMD Code

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

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Metal Oxide Film Resistor

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

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About the Authors

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

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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NTC Thermistor

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

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Current limiting

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Shunt Resistor

Definition Shunt Resistor A shunt resistor is used to measure electric…

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PTC Thermistor

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

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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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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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