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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Varistor

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

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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 Values

Standard Resistor Values In 1952, the IEC (International…

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NTC Thermistor

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

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Variable Resistor

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

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Basic DC Circuit Theory

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

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Resistor Color Code

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

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Passive And Active Electronic Components

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

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About the Authors

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

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Parallel resistor calculator

Use this calculator to quickly calculate the equivalent resistance…

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Film Capacitor

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

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Resistor Sizes and Packages

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

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Standard Resistor Power Ratings

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

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Blower Resistor

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Braking Resistor

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

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Filter capacitor

Filter capacitors Capacitors are reactive elements, which make them…

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Resistor Noise

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

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Rheostat

What is a Rheostat? A rheostat is a variable resistor which is used to…

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Metal Film Resistor

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

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Resistors in Series

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

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Capacitors in parallel

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

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Digital Potentiometer

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

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Trimpot

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

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Supercapacitor

What are supercapacitors? Supercapacitors are electronic devices which…

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Temperature Coefficient of Resistance

Resistance Changes with Temperature The temperature coefficient of…

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