Matrix - Electronic Circuits and Components

<^< Capacitor Symbols | Course index | Capacitors in Series >^>

Electronic circuits and components * Course Index * Introduction * About the Author * About this Course * Feedback * Course Navigation * How to use this Course * TINA * Locktronics

Fundamentals * Introduction: Fundamentals * Units and Multiples * Electricity * Electronic Principles * Electrical Circuits * Alternating Current * Assessment: Fundamentals

Passive Components * Introduction: Passive Components * Resistors * Capacitors ## Capacitor Specifications ## Preferred Values: Capacitors ## Capacitor Markings ## Examples: Capacitor Markings ## Capacitor Symbols ##

Capacitor Construction ## Capacitors in Series ## Capacitors in Parallel ## Examples: Capacitors in Circuits ## Variable Capacitors * Inductors * Transformers * Batteries, Fuses, Lamps and Switches * Assessment: Passive Components

Semiconductors * Introduction: Semiconductors * Diodes * Transistors * Logic Gates * Assessment: Semiconductors

Passive Circuits * Introduction: Passive Circuits * Series and Parallel Connections * Kirchoff's Laws * Potential and Current Dividers * Passive Time Variant Circuits * Assessment: Passive Circuits

Active Circuits * Introduction: Active Circuits * Power Supply Circuits * Operational Amplifier Circuits * Transistor Amplifier Circuits * 555 Timer Circuits * Assessment: Active Circuits

Parts Gallery * Introduction: Parts Gallery * Passive Component Images * Semiconductor Images * Other Images * Quizzes

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Capacitor Construction

<^< Capacitor Symbols | Course Index | Capacitors in Series >^>(:nl:)

>>frame round<< Diagram of a solid-dielectric capacitor Solid-dielectric capacitor

This common form of solid-dielectric capacitor consists of two aluminium foils separated by a thin insulating plastic film. The entire assembly is then rolled into a tube. The capacitor is then plastic dipped in order to provide insulation and sealing against moisture. Values from 100pF to 100nF are typical.

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>>frame round<< Diagram of a variable capacitor Variable capacitor

This simple variable capacitor consists of sets of fixed and moving plates that are meshed with one another. The moving plates are driven by a rotary control shaft and the dielectric material between the plates is air. Values of 10pF to 500pF are typical.

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Page last modified on July 21, 2011, at 08:02 AM