Varistor

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

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Basic DC Circuit Theory

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

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Resistor SMD Code

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

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Shunt Resistor

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

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NTC Thermistor

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

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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 Values

Standard Resistor Values In 1952, the IEC (International…

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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 Properties

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

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Resistors for LED Circuits

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

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Metal Film Resistor

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

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Power Rating

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

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Metal Oxide Film Resistor

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

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Resistor Suppliers

When you are looking for electronic components or where to buy…

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Variable Resistor

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

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Resistor Inductance

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

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Resistor Sizes and Packages

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

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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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Resistor Symbols

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

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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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Rheostat

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

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Basic DC Circuit Theory

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

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Motor starting capacitor

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

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Energy Storage

Capacitors used for energy storage Capacitors are devices which store…

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Impedance and Reactance

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

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Thin and Thick Film

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

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Dielectric Materials

Dielectric materials Dielectric materials are essentially insulators,…

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Resistor Color Code Calculator

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

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