Resistor Sizes and Packages

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

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Resistor Color Code

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

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Ohm’s Law

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

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Motor starting capacitor

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

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PTC Thermistor

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

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Difference Between A Capacitor And Inductor

Capacitors A capacitor exhibits a relatively large amount of…

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Thin and Thick Film

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

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Basic AC Circuits

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

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Resistor Guide Intro

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

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Resistor Color Code Calculator

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

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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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Q factor

Q Factor definition The Q factor of a capacitor, also known as the…

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Wirewound Resistor

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

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Impedance and Reactance

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

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Current limiting

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Ceramic Capacitor

What are ceramic capacitors? A ceramic capacitor uses a ceramic…

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Trimpot

What is a Trimpot? A trimpot or trimmer potentiometer is a small…

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Tantalum Capacitor

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

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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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Electrical Resistivity

What Is Electrical Resistivity? Electrical resistivity is a measure of…

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Resistance of a Resistor

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

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Power Rating

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

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Braking Resistor

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

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