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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 * Inductors ## Inductor Specifications ## Preferred Values: Inductors ## Inductor Markings ## Examples: Inductor Markings ## Inductor Symbols ## Inductor Construction ## Inductors in Series ## Inductors in Parallel ## Examples: Inductors in Circuits ## Variable 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 Inductor Specifications<^< Inductors | Course Index | Preferred Values: Inductors >^>(:nl:) Inductor specifications normally include the value of inductance (expressed in H, mH, μH, or nH), the current rating (i.e., the maximum current which can be continuously applied to the inductor under a given set of conditions), and the accuracy or tolerance (quoted as the maximum permissible percentage deviation from the marked value). Other considerations may include the temperature coefficient of the inductance (usually expressed in parts per million, ppm, per unit temperature change), the stability of the inductor, the d.c. resistance of the inductor windings (ideally zero), the Q-factor (quality factor) of the inductor, and the recommended working frequency range. ToleranceDue to manufacturing tolerances, an inductor marked with a value of 100mH will not usually have a value of precisely 100mH. For example, an inductor marked 100mH and produced with a tolerance of ±10% will have a value which falls within the range 90mH to 110mH. Inductors are usually produced with tolerances of ±5%, ±10% or ±20% but the tolerance rating is often not marked on the body of the inductor. Current ratingAll inductors have a maximum current rating which specifies the maximum continuous current that can be safely applied to the component. Exceeding this rating can have serious consequences as the insulation between windings may break down due to excessive temperature rise. Typical current ratings are 100mA, 1A, 2.5A and 10A (:nl:)(:table style="clear:both":)
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