NTC Thermistor

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

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Resistor SMD Code

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

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Thermistor

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

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Basic DC Circuit Theory

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

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Shunt Resistor

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

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Variable Resistor

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

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Varistor

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

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PTC Thermistor

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

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Resistor Values

Standard Resistor Values In 1952, the IEC (International…

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Shunt Resistor

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

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Importance Of Maximum Power Transfer

This page explores the issue of how to design a system that will…

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About the Authors

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Coupling and Decoupling

Decoupling capacitors When designing a circuit, many novice engineers…

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Power Resistor

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

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Impedance and Reactance

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

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Braking Resistor

What is a Braking Resistor? The property of resistors to dissipate…

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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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Resistor Sizes and Packages

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Digital Potentiometer

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

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Resistor Color Code

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

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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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Metal Oxide Film Resistor

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

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Magneto Resistor

What is a Magneto Resistor Magneto resistors have a variable…

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Resistor Noise

What is Resistor Noise? Noise is an unwanted phenomenon for resistors.…

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Power Factor And RMS Explained

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

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Basic AC Circuits

We started out this chapter by discussing power in DC circuits. Now,…

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Current limiting

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