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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 |
(:Summary:Contains the 'action' links (like Browse, Edit, History, etc.), placed at the top of the page, see site page actions:) (:comment This page can be somewhat complex to figure out the first time you see it. Its contents are documented at PmWiki.SitePageActions if you need help. :) * Print (:comment (:if group Site,SiteAdmin,Cookbook,Profiles,PmWiki*:) (:comment delete if and ifend to enable backlinks:) * %item rel=nofollow class=backlinks accesskey='$[ak_backlinks]'% [[{*$Name}?action=search&q=link={*$FullName} | $[Backlinks] ]] (:ifend:) :) * Login Capacitor Specifications<^< Capacitors | Course Index | Preferred Values: Capacitors >^>(:nl:) The specifications for a capacitor usually include the value of capacitance (expressed in μF, nF, or pF), the voltage rating (i.e. the maximum voltage which can be continuously applied to the capacitor under a given set of conditions), and the accuracy or tolerance (quoted as the maximum permissible percentage deviation from the marked value). Other practical considerations when selecting capacitors for use in a particular application include temperature coefficient, leakage current, stability and ambient temperature range. ToleranceDue to manufacturing tolerances, a capacitor marked with a value of 100nF will not usually have a value of precisely 100nF. For example, a capacitor marked 100nF and produced with a tolerance of ±10% will have a value which falls within the range 90nF to 110nF. Capacitors are usually produced with tolerances of ±5%, ±10% or ±20% but the tolerance rating is often not marked on the body of the capacitor. Voltage ratingAll capacitors have a maximum voltage rating which specifies the maximum continuous potential difference that can be safely applied to the component. Exceeding this rating can have serious consequences as the dielectric material (e.g. plastic or ceramic material) can break down and become permanently conductive. Typical voltage ratings are 50V, 100V, 250V, 400V and 1kV (but note that different voltage ratings may apply for a.c. and d.c. working). (:nl:)(:table style="clear:both":)
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Page last modified on July 19, 2011, at 03:40 PM