{"id":1508,"date":"2025-04-24T05:50:00","date_gmt":"2025-04-24T05:50:00","guid":{"rendered":"https:\/\/nbaem.com\/?p=1508"},"modified":"2026-06-27T12:11:25","modified_gmt":"2026-06-27T12:11:25","slug":"types-of-ferrite","status":"publish","type":"post","link":"https:\/\/nbaem.com\/sk\/types-of-ferrite\/","title":{"rendered":"Druhy feritu"},"content":{"rendered":"<h2>Typy ferritov\u00fdch magnetov<\/h2>\n<p>Permanentn\u00e9 magnety s\u00fa v\u0161ade \u2013 v motoroch, elektronike, reproduktoroch. Nie v\u0161etky magnety s\u00fa v\u0161ak rovnak\u00e9. Niektor\u00e9 s\u00fa kovov\u00e9, in\u00e9 keramick\u00e9. Pozn\u00e1te rozdiel?<\/p>\n<p><strong>Ferrit je typ magnetick\u00e9ho materi\u00e1lu vyroben\u00e9ho z oxidu \u017eeleza a \u010fal\u0161\u00edch oxidov kovov s vysokou elektrickou rezistenciou. Je \u0161iroko pou\u017e\u00edvan\u00fd v vysokofrekven\u010dn\u00fdch elektronick\u00fdch komponentoch.<\/strong><br \/>\n<img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/ferrite-magnet-\u603b\u56fe.png\" alt=\"ferritov\u00fd magnet\" \/><\/p>\n<p><a title=\"**Ferriitov\u00e9 magnety **\" href=\"http:\/\/nbaem.com\/sk\/products\/ceramic-magnet\/\"><strong>Ferritov\u00e9 magnety <\/strong><\/a>nie s\u00fa tak\u00e9 ok\u00faz\u013euj\u00face ako magnety vz\u00e1cnych zem\u00edn, no zohr\u00e1vaj\u00fa k\u013e\u00fa\u010dov\u00fa \u00falohu v elektronike a spotrebite\u013esk\u00fdch produktoch. Ak v\u00e1s zauj\u00edma, \u010do ferrity s\u00fa a ako sa pou\u017e\u00edvaj\u00fa, ste na spr\u00e1vnom mieste.<\/p>\n<h2>\u010co je tvrd\u00fd ferrit?<\/h2>\n<p>Tvrd\u00e9 ferrity sa pou\u017e\u00edvaj\u00fa v ka\u017edodennom \u017eivote, no \u010dasto s\u00fa prehliadan\u00e9. Chcete vedie\u0165, \u010do ich rob\u00ed tak\u00fdmito odoln\u00fdmi?<\/p>\n<p><strong>Tvrd\u00fd ferrit je typ keramick\u00e9ho magnetu, ktor\u00fd ost\u00e1va magnetizovan\u00fd po dlh\u00fa dobu. Be\u017ene sa pou\u017e\u00edva v reproduktoroch, motoroch a magnetoch na chladni\u010dk\u00e1ch.<\/strong><br \/>\n<img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/ferrite-ring-magnet.jpg\" alt=\"magnet zo zr\u00fdb ferritu\" \/><\/p>\n<h3>Pre\u010do s\u00fa tvrd\u00e9 ferrity d\u00f4le\u017eit\u00e9<\/h3>\n<p>Tvrd\u00e9 ferrity sa vyr\u00e1baj\u00fa z oxidu \u017eeleza a bu\u010f uhli\u010ditanu b\u00e1ria alebo strontia. Po magnetizovan\u00ed si udr\u017euj\u00fa svoje magnetick\u00e9 vlastnosti dobre. To ich rob\u00ed ide\u00e1lnymi pre aplik\u00e1cie s trval\u00fdm magnetom.<\/p>\n<p>Tu je jednoduch\u00fd preh\u013ead:<\/p>\n<table>\n<thead>\n<tr>\n<th>Vlastnos\u0165<\/th>\n<th>Tvrd\u00fd ferrit<\/th>\n<th>magnet vz\u00e1cnych zem\u00edn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Zlo\u017eenie<\/td>\n<td>Oxid \u017eeleza + karbon\u00e1t Ba\/Sr<\/td>\n<td>Zliatiny neod\u00fdmia alebo sam\u00e1ria<\/td>\n<\/tr>\n<tr>\n<td>N\u00e1klady<\/td>\n<td>N\u00edzky<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Koroziu<\/td>\n<td>Odoln\u00fd<\/td>\n<td>Vy\u017eaduje potla\u010denie povrchu<\/td>\n<\/tr>\n<tr>\n<td>Magnetick\u00e1 sila<\/td>\n<td>Stredn\u00e1<\/td>\n<td>Ve\u013emi vysok\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Pou\u017eitie<\/td>\n<td>Reproduktory, hra\u010dky, motory<\/td>\n<td>Motory EV, senzory, MRI<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>S\u00fa \u0161iroko pou\u017e\u00edvan\u00e9, preto\u017ee s\u00fa lacn\u00e9, odoln\u00e9 vo\u010di kor\u00f3zii a dosahuj\u00fa dostato\u010dn\u00fa v\u00fdkonnos\u0165 pre mnoho be\u017en\u00fdch \u00faloh. N\u00e1jdete ich na palubn\u00fdch paneloch v aut\u00e1ch, z\u00e1mkoch dver\u00ed a kuchynsk\u00fdch pom\u00f4ckach. Nie s\u00fa v\u00fdstredn\u00e9, ale splnia svoju \u00falohu.<\/p>\n<h2>Ak\u00fd je \u00fa\u010del feritu?<\/h2>\n<p>Pre\u010do sa pou\u017e\u00edvaj\u00fa ferity, ke\u010f existuj\u00fa silnej\u0161ie magnety ako neod\u00fdm? Odpove\u010f spo\u010d\u00edva v efektivite a frekvencii.<\/p>\n<p><strong>Ferity sa pou\u017e\u00edvaj\u00fa na blokovanie vysokofrekven\u010dn\u00e9ho \u0161umu a stabiliz\u00e1ciu sign\u00e1lov v elektronike. S\u00fa nevyhnutn\u00e9 pre r\u00e1dio, nap\u00e1jacie zdroje a telekomunika\u010dn\u00e9 syst\u00e9my.<\/strong><\/p>\n<div id=\"attachment_1509\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1509\" class=\"size-medium wp-image-1509\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-300x174.jpg\" alt=\"Feri\u0165ov\u00e9 jadro\" width=\"300\" height=\"174\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-200x116.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-300x174.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-400x232.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-600x348.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-768x445.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core-800x464.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/Ferrite-core.jpg 899w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1509\" class=\"wp-caption-text\">Feri\u0165ov\u00e9 jadro<\/p><\/div>\n<h3>Ferity v akcii<\/h3>\n<p>Ferity nie s\u00fa len o magnetizme. Ich skuto\u010dn\u00e1 hodnota spo\u010d\u00edva v ich vysokej elektrickej odolnosti vo\u010di pr\u00fadom. To znamen\u00e1, \u017ee dok\u00e1\u017eu potla\u010di\u0165 nechcen\u00e9 pr\u00fady (teda eddy currents) v prostred\u00ed s vysokou frekvenciou. Tu je, ako funguj\u00fa:<\/p>\n<ul>\n<li>V nap\u00e1jac\u00edch adapt\u00e9roch ferritov\u00e9 kor\u00e1lky zabra\u0148uj\u00fa \u0161\u00edreniu \u0161umu po vedeniach.<\/li>\n<li>V transform\u00e1toroch ferritov\u00e9 jadr\u00e1 pom\u00e1haj\u00fa efekt\u00edvne pren\u00e1\u0161a\u0165 energiu.<\/li>\n<li>V r\u00e1diov\u00fdch ant\u00e9nach ferrity zlep\u0161uj\u00fa jasnos\u0165 sign\u00e1lu.<\/li>\n<\/ul>\n<p>Predstavte si svojho nab\u00edja\u010da na telef\u00f3n. T\u00e1 mal\u00e1 v\u00fdstupka pri USB konektore? \u010casto je to ferritov\u00e1 priehradka. Je tu na to, aby zabr\u00e1nila ru\u0161eniu nab\u00edja\u010da s in\u00fdmi zariadeniami. Potichu ferrity robia va\u0161u elektroniku spo\u013eahlivej\u0161ou.<\/p>\n<h2>\u010co je m\u00e4kk\u00fd ferrit?<\/h2>\n<p>Nie v\u0161etky ferrity s\u00fa trval\u00e9 magnety. Niektor\u00e9 funguj\u00fa len pri nap\u00e4t\u00ed. To z nich rob\u00ed ide\u00e1lne pre meniace sa magnetick\u00e9 polia.<\/p>\n<p><strong>M\u00e4kk\u00fd ferrit je magnetick\u00fd materi\u00e1l s n\u00edzkou koercivitou. Str\u00e1ca svoju magnetiz\u00e1ciu, ke\u010f sa vonkaj\u0161ie pole odstr\u00e1ni, \u010do je ide\u00e1lne pre transform\u00e1tory a induktory.<\/strong><\/p>\n<div id=\"attachment_1511\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1511\" class=\"size-medium wp-image-1511\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite-300x200.jpg\" alt=\"m\u00e4kk\u00fd ferrit\" width=\"300\" height=\"200\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite-200x133.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite-300x200.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite-400x266.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite-600x399.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite-768x511.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/04\/soft-ferrite.jpg 781w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-1511\" class=\"wp-caption-text\">m\u00e4kk\u00fd ferrit<\/p><\/div>\n<h3>Pre\u010do na m\u00e4kk\u00fdch ferritoch z\u00e1le\u017e\u00ed v obvodoch<\/h3>\n<p>M\u00e4kk\u00e9 ferrity sa vyr\u00e1baj\u00fa z oxidu \u017eeleza a oxidov niklu, zinku alebo mang\u00e1nu. Tieto materi\u00e1ly s\u00fa zlisovan\u00e9 dohromady, aby vytvorili keramiku so \u0161pecifick\u00fdmi magnetick\u00fdmi vlastnos\u0165ami.<\/p>\n<p>Tu je d\u00f4vod, pre\u010do ich in\u017einieri miluj\u00fa:<\/p>\n<ul>\n<li>Nerobia magnetizmus. To je dobr\u00e9, ke\u010f potrebujete r\u00fdchle prep\u00edname.<\/li>\n<li>Zni\u017euj\u00fa stratu energie v transform\u00e1toroch.<\/li>\n<li>Filtruj\u00fa vysokofrekven\u010dn\u00fd \u0161um.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Vlastnos\u0165<\/th>\n<th>M\u00e4kk\u00fd ferrit<\/th>\n<th>Tvrd\u00fd ferrit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Magnetick\u00e9 spr\u00e1vanie<\/td>\n<td>Do\u010dasn\u00fd ( n\u00edzka koercivita )<\/td>\n<td>Permanentn\u00fd ( vysok\u00e1 koercivita )<\/td>\n<\/tr>\n<tr>\n<td>Aplik\u00e1cia<\/td>\n<td>Cievky, tlmi\u010de, transform\u00e1tory<\/td>\n<td>Motory, reproduktory, magnety<\/td>\n<\/tr>\n<tr>\n<td>Frekven\u010dn\u00e9 odozvy<\/td>\n<td>Vynikaj\u00faci pre vysokofrekven\u010dn\u00e9 pou\u017eitie<\/td>\n<td>Ni\u017e\u0161\u00ed ako m\u00e4kk\u00e9 ferrity<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vo v\u0161etk\u00fdch prep\u00ednac\u00edch zdrojoch alebo r\u00e1diov\u00fdch vysiela\u010doch zohr\u00e1vaj\u00fa m\u00e4kk\u00e9 ferrity k\u013e\u00fa\u010dov\u00fa \u00falohu. Pom\u00e1haj\u00fa riadi\u0165 tok energie bez pridania hmotnosti alebo n\u00e1kladov. Bez nich by va\u0161a elektronika bola v\u00e4\u010d\u0161ia, pomal\u0161ia a menej efekt\u00edvna.<\/p>\n<h2>Je ferrit kov?<\/h2>\n<p>Ferrit nevyzer\u00e1 ako kov a tie\u017e sa tak nec\u00edti. Je teda skuto\u010dne kovom?<\/p>\n<p><strong>Ferrit nie je \u010dist\u00fd kov. Je to keramika vyroben\u00e1 z oxidu \u017eeleza a \u010fal\u0161\u00edch oxidov kovov, ktor\u00e1 sp\u00e1ja magnetick\u00e9 vlastnosti s vysok\u00fdm elektrick\u00fdm odporom.<\/strong><\/p>\n<h3>\u010co rob\u00ed ferrit odli\u0161n\u00fdm od kovu?<\/h3>\n<p>Ferrit patr\u00ed do triedy materi\u00e1lov zn\u00e1mych ako keramick\u00e9 zl\u00fa\u010deniny. Na rozdiel od magnetov z kovov ved\u00fa elektrinu zle a nekoroduj\u00fa \u013eahko. To je to, \u010do ich rob\u00ed tak u\u017eito\u010dn\u00fdmi v elektronike.<\/p>\n<p>Porovnajme to:<\/p>\n<table>\n<thead>\n<tr>\n<th>Funkcia<\/th>\n<th>Ferit<\/th>\n<th>Kov (napr\u00edklad \u017eelezo)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Prietok elektrick\u00e9ho pr\u00fadu<\/td>\n<td>N\u00edzky (izol\u00e1tor)<\/td>\n<td>Vysok\u00fd (vedenie)<\/td>\n<\/tr>\n<tr>\n<td>Kor\u00f3zna odolnos\u0165<\/td>\n<td>Vysok\u00e1<\/td>\n<td>N\u00edzky (\u013eahko skoroduje)<\/td>\n<\/tr>\n<tr>\n<td>Hustota<\/td>\n<td>Ni\u017e\u0161ie<\/td>\n<td>Vy\u0161\u0161ie<\/td>\n<\/tr>\n<tr>\n<td>Magnetick\u00e9 spr\u00e1vanie<\/td>\n<td>Premenliv\u00fd (m\u00e4kk\u00fd\/ tvrd\u00fd)<\/td>\n<td>Zvy\u010dajne m\u00e4kk\u00fd magnetick\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Aplik\u00e1cia<\/td>\n<td>Elektronika, filtre, ant\u00e9ny<\/td>\n<td>\u0160trukt\u00fara, motory, n\u00e1radie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hoci ferit obsahuje \u017eelezo, spr\u00e1va sa ve\u013emi odli\u0161ne od kovu. Je krehk\u00fd, ako keramika. Ale d\u00e1va in\u017einierom n\u00e1stroje na zvl\u00e1dnutie magnetizmu aj elektriny v kompaktn\u00fdch, cenovo dostupn\u00fdch n\u00e1vrhoch.<\/p>\n<h2>Z\u00e1ver<\/h2>\n<p>Ferity s\u00fa jednoduch\u00e9, no siln\u00e9 materi\u00e1ly. \u010ci u\u017e tvrd\u00e9, alebo m\u00e4kk\u00e9, s\u00fa v\u0161ade v elektronike a magnetoch\u2014a esenci\u00e1lni pre modern\u00fd \u017eivot.<\/p>\n<h2>Moja \u00faloha<\/h2>\n<h3>O mne<\/h3>\n<p><strong>N\u00e1zov zna\u010dky:<\/strong> magnet NBAEM<br \/>\n<strong>Slogan:<\/strong> \u0160pecializovan\u00fd na magnetick\u00e9 materi\u00e1ly<br \/>\n<strong>Webov\u00e1 str\u00e1nka:<\/strong> <a href=\"https:\/\/nbaem.com\/sk\/\">nbaem.com<\/a><\/p>\n<p><strong>Na\u0161e poslanie:<\/strong><br \/>\nNBAEM Magnet je spolo\u010dnos\u0165 zaoberaj\u00faca sa magnetmi s 15-ro\u010dn\u00fdmi sk\u00fasenos\u0165ami. \u0160pecializujeme sa na r\u00f4zne typy magnetick\u00fdch materi\u00e1lov, s cie\u013eom pom\u00f4c\u0165 ka\u017ed\u00e9mu z\u00e1kazn\u00edkovi vytvori\u0165 cenovo efekt\u00edvne prisp\u00f4soben\u00e9 magnety a magnetick\u00e9 komponenty, ktor\u00e9 vyhovuj\u00fa ich \u0161pecifick\u00fdm po\u017eiadavk\u00e1m. Poskytujeme vysokokvalitn\u00e9 predajn\u00e9 a popredajn\u00e9 slu\u017eby spolu s relevantnou technickou podporou.<\/p>\n<p><strong>O mne:<\/strong><br \/>\nNBAEM som zalo\u017eil ja \u2014 zanieten\u00fd odborn\u00edk v magnetickom priemysle. Za\u010dal som svoju kari\u00e9ru vo v\u00fdrobe magnetov a nesk\u00f4r som zalo\u017eil \u00faspe\u0161n\u00fa spolo\u010dnos\u0165 zaoberaj\u00facu sa magnetmi a magnetick\u00fdmi zostavami. Po\u010das mojej cesty v magnetickom priemysle som pomohol mnoh\u00fdm klientom roz\u0161\u00edri\u0165 ich podnikanie. Zdie\u013ean\u00edm svojej odbornej znalosti a sk\u00fasenost\u00ed si kladiem za cie\u013e pom\u00e1ha\u0165 klientom n\u00e1js\u0165 spr\u00e1vne rie\u0161enia.<\/p>","protected":false},"excerpt":{"rendered":"<p>Types of Ferrite magnet Permanent magnets are everywhere\u2014in motors, electronics, speakers. But not all magnets are made the same. Some are metallic, others are ceramic. Do you know the difference? Ferrite is a type of magnetic material made from iron oxide and other metal oxides, with high electrical resistance. It\u2019s [...]<\/p>","protected":false},"author":1,"featured_media":635,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-1508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ferrite-magnet"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/ferrite-magnet-\u603b\u56fe.png","_links":{"self":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/1508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/comments?post=1508"}],"version-history":[{"count":6,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/1508\/revisions"}],"predecessor-version":[{"id":3919,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/1508\/revisions\/3919"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/media\/635"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/media?parent=1508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/categories?post=1508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/tags?post=1508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}