{"id":8250,"date":"2021-09-20T19:31:05","date_gmt":"2021-09-20T19:31:05","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=8250"},"modified":"2021-09-20T19:31:06","modified_gmt":"2021-09-20T19:31:06","slug":"losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/","title":{"rendered":"L\u00f6sningen vid brist p\u00e5 keramiska flerskikts kondensatorer"},"content":{"rendered":"\n<div class=\"cnvs-block-toc cnvs-block-toc-1623083265621\" >\n\t<\/div>\n\n\n\n<h2 id=\"bristen-pa-keramiska-flerskikts-kondensatorer-mlcc\" class=\"wp-block-heading\">Bristen p\u00e5 keramiska flerskikts kondensatorer (MLCC)<\/h2>\n\n\n\n<p>Bristen p\u00e5 keramiska flerskikts kondensatorer \u00e4r global och kan p\u00e5verka marknaden i negativ riktning. En l\u00f6sning verkar vara l\u00e5ngt borta och det finns flera anledningar till den bristande tillg\u00e5ngen.<\/p>\n\n\n\n<p>F\u00f6r det f\u00f6rsta g\u00e5r elektronikindustrin snabbt fram\u00e5t. Nya produkter utvecklas och konsumentprodukter ers\u00e4tts i allt snabbare takt, vilket medf\u00f6r att produkternas livsl\u00e4ngd blir allt kortare. M\u00e5nga produkter, exempelvis bilar byggs med smartare teknik, vilket alltid leder till att fler elektronikkomponenter anv\u00e4nds, och i slut\u00e4nden att fler kondensatorer anv\u00e4nds i varje enhet.<\/p>\n\n\n\n<p>Det resulterar i att de stora leverant\u00f6rerna av keramiska flerskikts kondensatorer ligger p\u00e5 gr\u00e4nsen f\u00f6r sin kapacitet och kan inte producera den m\u00e4ngd kondensatorer som beh\u00f6vs. De stora f\u00f6retagen investerar i utveckling av kondensatorer med h\u00f6gre kapacitet, vilket inneb\u00e4r att de minskar eller avslutar produktionen av standardserier med keramiska flerskikts kondensatorer. De produkter som slutar tillverkas eller levereras i mindre m\u00e4ngder \u00e4r de som \u00e4r viktiga f\u00f6r sm\u00e5 f\u00f6retag som fr\u00e4mst \u00e4r inriktade p\u00e5 produktion av sm\u00e5 kvantiteter.<\/p>\n\n\n\n<p>Men n\u00e4r en d\u00f6rr st\u00e4ngs, \u00f6ppnas en annan. Tillverkare som KEMET och Panasonic har utvecklat polymerkondensatorer som alternativ till keramiska kondensatorer f\u00f6r att t\u00e4cka marknadens behov. Vem hade kunnat tro att dessa sm\u00e5 enheter inte bara kan ers\u00e4tta keramiska kondensatorer utan \u00e4ven ger b\u00e4ttre prestanda n\u00e4r de anv\u00e4nds!<\/p>\n\n\n\n<h2 id=\"polymerkondensatorer-kan-ersatta-keramiska-kondensatorer\" class=\"wp-block-heading\">Polymerkondensatorer kan ers\u00e4tta keramiska kondensatorer<\/h2>\n\n\n\n<p>N\u00e4r man tittar p\u00e5 polymerkondensatorer som ett alternativ till MLCC finns det fyra vanliga typer som t\u00e4cker de flesta anv\u00e4ndningsomr\u00e5den:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Runda aluminiumpolymerkondensatorer<\/li><li>Tantalpolymerkondensatorer<\/li><li>Aluminiumhybridpolymerkondensatorer<\/li><li>Aluminiumpolymerkondensatorer i flera lager<\/li><\/ul>\n\n\n\n<p>Produktserien har kompletterats med filmkondensatorer.<\/p>\n\n\n\n<p>F\u00f6ljande \u00f6versikt visar polymerkondensatorernas olika utformning.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABWkAAAMuAQMAAABRrhNyAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAKFJREFUeNrtwYEAAAAAw6D5Ux\/hAlUBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA8AyyQAAHWe+aeAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2772 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-1-1024x602.png\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"aluminiumpolymerkondensatorer-i-flera-lager\" class=\"wp-block-heading\">Aluminiumpolymerkondensatorer i flera lager<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Gjutet harts<\/li><li>Silverpasta<\/li><li>Plint<\/li><li>Plint<\/li><li>Silverpasta<\/li><li>Kol<\/li><li>Polymer<\/li><li>Aluminiumfolie<\/li><li>AI2O3<\/li><\/ol>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABXcAAAMLAQMAAAA\/qDasAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAJxJREFUeNrtwTEBAAAAwqD1T20LL6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAlwEXrgAByLf2tgAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2773 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-2-1024x570.png\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"tantalpolymerkondensatorer\" class=\"wp-block-heading\">Tantalpolymerkondensatorer<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Gjutet harts<\/li><li>Plint<\/li><li>Plint<\/li><li>Silverpasta<\/li><li>Kol<\/li><li>Polymer<\/li><li>Sintrad tantal<\/li><li>Ta2O5<\/li><\/ol>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABQUAAALVAQMAAABDVxXiAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAIlJREFUeNrtwTEBAAAAwqD1T20Hb6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIDfAMrZAAGnYoDvAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2774 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-3-1024x578.png\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"runda-aluminiumpolymerkondensatorer\" class=\"wp-block-heading\">Runda aluminiumpolymerkondensatorer<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Aluminiumhus<\/li><li>Bakre platta<\/li><li>Gummit\u00e4tning<\/li><li>Plint<\/li><li>Aluminiumfolie<\/li><li>AI2O3<\/li><li>Elektrolyt som impregnerats i distansenhet: Polymer<\/li><li>Aluminiumfolie<\/li><\/ol>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABQUAAALVAQMAAABDVxXiAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAIlJREFUeNrtwTEBAAAAwqD1T20Hb6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIDfAMrZAAGnYoDvAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2775 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-4-1024x578.png\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"aluminiumhybridpolymerkondensatorer\" class=\"wp-block-heading\">Aluminiumhybridpolymerkondensatorer<\/h3>\n\n\n\n<ol class=\"wp-block-list\"><li>Aluminiumhus<\/li><li>Bakre platta<\/li><li>Gummit\u00e4tning<\/li><li>Plint<\/li><li>Aluminiumfolie<\/li><li>AI2O3<\/li><li>Hybridelektrolyt som impregnerats i distansenhet: Polymer + flytande elektrolyt<\/li><li>Aluminiumfolie<\/li><\/ol>\n<\/div><\/div>\n\n\n\n<h2 id=\"stabila-sma-och-sakra\" class=\"wp-block-heading\">Stabila, sm\u00e5 och s\u00e4kra<\/h2>\n\n\n\n<p>De fyra kondensatortyperna har flera f\u00f6rdelar:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Stabilitet: konstant temperatur under anv\u00e4ndning, stabil DC-f\u00f6rsp\u00e4nning, generellt stabila egenskaper<\/li><li>Storlek: 1 polymerkondensator kan ers\u00e4tta flera keramiska kondensatorer<\/li><li>S\u00e4kerhet: polymerkondensatorer ger dina kretskort extra s\u00e4kerhet med kortslutningsskydd<\/li><\/ul>\n\n\n\n<p>Shahrokh Kananizadeh, European Capacitor Product Manager hos Panasonic har uttalat sig om produkterna:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Den dielektriska konstanten \u00e4ndras inte om sp\u00e4nningen \u00e4ndras, det \u00e4r den stora f\u00f6rdelen med polymerkondensatorer (SP-kondensatorer). Men keramiska kondensatorer p\u00e5verkas av strukturf\u00f6rvr\u00e4ngningar n\u00e4r v\u00e4xelstr\u00f6m tillf\u00f6rs, vilket minskar deras tillf\u00f6rlitlighet.<\/p><\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"385\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAAGBAQMAAADCB1EaAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEdJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADOBsIBAAGizCdIAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2776 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-123-1024x385.png\" ><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  loading=\"lazy\"  decoding=\"async\"  height=\"129\"  width=\"1024\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAABAAAAACBAQMAAABkcFquAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACdJREFUeNrtwTEBAAAAwqD1T20MH6AAAAAAAAAAAAAAAAAAAAAAzgZBAQABGR+wEgAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-2777 pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-1234-1024x129.png\" ><\/figure>\n\n\n\n<h2 id=\"men-varfor-har-inte-polymerkondensatorer-redan-ersatt-keramiska\" class=\"wp-block-heading\">Men varf\u00f6r har inte polymerkondensatorer redan ersatt keramiska?<\/h2>\n\n\n\n<p>F\u00f6r det f\u00f6rsta kan keramiska kondensatorer anv\u00e4ndas i de flesta till\u00e4mpningar. De \u00e4r mycket m\u00e5ngsidiga och passar de flesta anv\u00e4ndningsomr\u00e5den. \u00c5 andra sidan kan polymerkondensatorer inte anv\u00e4ndas l\u00e4ttvindigt, utan m\u00e5ste v\u00e4ljas efter en tydligt definierad anv\u00e4ndning. Men n\u00e4r v\u00e4l en polymerkondensator som passar har hittats ger det oftast b\u00e4ttre, l\u00e5ngvarig och konstant prestanda.<\/p>\n\n\n\n<p>Den stora nackdelen med polymerkondensatorer \u00e4r att de \u00e4r polariserade. Det inneb\u00e4r att de inte kan anv\u00e4ndas i kretsar d\u00e4r de kan uts\u00e4ttas f\u00f6r omv\u00e4nd f\u00f6rsp\u00e4nning eller likstr\u00f6m.<\/p>\n\n\n\n<h2 id=\"byta-till-polymerkondensatorer\" class=\"wp-block-heading\">Byta till polymerkondensatorer<\/h2>\n\n\n\n<p>Om du \u00f6verv\u00e4ger att byta till polymerkondensatorer kan du definiera dina krav enligt f\u00f6ljande kriterier:<\/p>\n\n\n\n<h3 id=\"spanning\" class=\"wp-block-heading\">Sp\u00e4nning:<\/h3>\n\n\n\n<p>Specifikationen f\u00f6r keramiska kondensatorer \u00e4r 0\/1 V \u2013 den faktiska kapacitansen minskar med den str\u00f6mstyrka som tillf\u00f6rs. Polymerkondensatorer \u00e4r stabila n\u00e4r str\u00f6m tillf\u00f6rs, men r\u00e4kna \u00e4nd\u00e5 med en s\u00e4nkning p\u00e5 10\u201320 %.<\/p>\n\n\n\n<h3 id=\"krav-pa-kapacitans\" class=\"wp-block-heading\">Krav p\u00e5 kapacitans:<\/h3>\n\n\n\n<p>Du m\u00e5ste k\u00e4nna till kapacitansen f\u00f6r 1 keramisk kondensator under till\u00e4mpning (tillf\u00f6rd str\u00f6m, frekvens och \u00e5ldring), samt antalet parallella kondensatorer f\u00f6r att ber\u00e4kna den totala nettokapaciteten.<\/p>\n\n\n\n<h3 id=\"rrippelstrom\" class=\"wp-block-heading\">RRippelstr\u00f6m:<\/h3>\n\n\n\n<p>Polymerkondensatorer kan enkelt hantera rippelstr\u00f6m upp till 2 och 3 b\u00e5gar (h\u00f6gre krav st\u00e4lls f\u00f6r ensiffriga ESR-produkter eller vid staplad konstruktion).<\/p>\n\n\n\n<h3 id=\"driftfrekvens-arbetstemperatur-maximal-hojd\" class=\"wp-block-heading\">Driftfrekvens, Arbetstemperatur, Maximal h\u00f6jd:<\/h3>\n\n\n\n<p>Polymerkondensatorer \u00e4r n\u00e5got st\u00f6rre, men kan ers\u00e4tta flera keramiska kondensatorer.<\/p>\n\n\n\n<h3 id=\"totalkostnad-for-losningen\" class=\"wp-block-heading\">Totalkostnad f\u00f6r l\u00f6sningen:<\/h3>\n\n\n\n<p>Om endast ett f\u00e5tal keramiska kondensatorer anv\u00e4nds kan polymerkondensatorer bli dyrare, men tack vare att de kan ers\u00e4tta flera keramiska kondensatorer sparar det vanligtvis en del kostnader.<\/p>\n\n\n\n<p>Shahrokh Kananizadeh vid Panasonic beskriver begreppet ESR med en generell v\u00e4gledning f\u00f6r impedans och ESR-frekvens:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Ju l\u00e4gre impedans eller ESR-v\u00e4rde en kondensator har, desto mer anv\u00e4ndbar \u00e4r den f\u00f6r utj\u00e4mning n\u00e4r den anv\u00e4nds i en krets. Keramiska kondensatorer har l\u00e4gst ESR och impedans, men SP-kondensatorer kommer ganska n\u00e4ra. Det \u00e4r viktigt att uppskatta frekvens\u00e5tergivning f\u00f6r de kondensatorer du \u00f6verv\u00e4ger att anv\u00e4nda och speciellt g\u00e4ller det sj\u00e4lvresonansfrekvensen.<\/p><p>Det viktigaste \u00e4r att se till att kondensatorerna anv\u00e4nds i en l\u00e4gre frekvens \u00e4n sj\u00e4lvresonansfrekvensen. I det h\u00e4r sammanhanget \u00e4r 1 MHz det kritiska tr\u00f6skelv\u00e4rdet och du b\u00f6r \u00e4ven granska skillnaderna i frekvens\u00e5tergivning f\u00f6r din kondensator.<\/p><\/blockquote>\n\n\n\n<p>Med denna anv\u00e4ndning i \u00e5tanke, tillsammans med de olika typerna av polymerkondensatorer, exempelvis SP-kondensatorer, aluminiumpolymerkondensatorer i flera lager fr\u00e5n Panasonic som n\u00e4mnts h\u00e4r, tittar vi n\u00e4rmare p\u00e5 ett par olika polymerkondensatorer och deras styrkor:<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"413\"  height=\"311\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZ0AAAE3AQMAAABLlg5pAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACZJREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAHBkBjAAFPNlAFAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2778 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 413px) 100vw, 413px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-tantalum.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-tantalum.png 413w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-tantalum.png?resize=300,225 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-tantalum.png?resize=380,286 380w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"tantalpolymerkondensatorer-2\" class=\"wp-block-heading\">Tantalpolymerkondensatorer<\/h3>\n\n\n\n<p>antalbaserade polymerkondensatorer har l\u00e5g ESR, h\u00f6g kapacitans och klarar h\u00f6g sp\u00e4nning. De passar perfekt f\u00f6r h\u00f6gfrekvensenheter. Dagens tantalbaserade polymerkondensatorer har ett fell\u00e4ge n\u00e4r t\u00e4ndning uteblir och f\u00f6rb\u00e4ttrad nedgradering.<\/p>\n\n\n\n<p><strong>Viktiga funktioner:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Med. Sp\u00e4nning (24\u20137 V)<\/li><li>Nominell sp\u00e4nning p\u00e5 upp till 75 V och till\u00e4mpad sp\u00e4nning p\u00e5 upp till 67.5 V<\/li><li>H\u00f6g pulserande str\u00f6m<\/li><li>L\u00e5g sp\u00e4nning (5\u20130.9 V)<\/li><\/ul>\n\n\n\n<p>KEMET:&nbsp;<a href=\"https:\/\/www.elfa.se\/search?q=kemet+poly+tantalum+capacitor\">T52X series inc. T521 T54 T59<\/a><\/p>\n\n\n\n<p>Panasonic:&nbsp;<a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_03020201?q=*&amp;filter_Category4=Aluminium+Polymer+Capacitors&amp;filter_Category3=Polymer+Capacitors&amp;filter_Buyable=1&amp;filter_Manufacturer=Panasonic&amp;filter_Construction+form=B2&amp;filter_Construction+form=D2&amp;filter_Construction+form=D3L&amp;filter_Construction+form=D4\">POSCAP TXX series inc TVP TPC TQC<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"444\"  height=\"249\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAbwAAAD5AQMAAABmnBL3AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACJJREFUaN7twQEBAAAAgJD+r+4ICgAAAAAAAAAAAAAAAABoN3EAAU9KqQQAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-2779 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 444px) 100vw, 444px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-round.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-round.png 444w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-round.png?resize=300,168 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-round.png?resize=380,213 380w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"runda-aluminiumpolymerkondensatorer-2\" class=\"wp-block-heading\">Runda aluminiumpolymerkondensatorer<\/h3>\n\n\n\n<p>Chip-kondensatorer i aluminiumpolymer har l\u00e5g ESR samt utm\u00e4rkt brusreducering och rippelstr\u00f6mkapacitet. De anv\u00e4nds ofta i till\u00e4mpningar som kr\u00e4ver h\u00f6g kapacitans.<\/p>\n\n\n\n<p><strong>Viktiga funktioner:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>H\u00f6g kapacitans: upp till 2700 \u00b5F, upp till 100 V<\/li><li>H\u00f6gsp\u00e4nning (upp till 100 V)<\/li><\/ul>\n\n\n\n<p>KEMET:&nbsp;<a href=\"https:\/\/www.elfa.se\/c\/cat-DNAV_PL_03020201?q=*&amp;filter_productFamilyCode=cat-1766831\">A759 series<\/a><\/p>\n\n\n\n<p>Panasonic:&nbsp;<a href=\"https:\/\/www.elfa.se\/search?q=OSCONCaps\">OSCON series inc SVP and SEP<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"366\"  height=\"196\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAW4AAADEAQMAAACFnFnwAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACBJREFUaN7twQENAAAAwqD3T20ON6AAAAAAAAAAAIBHAyP8AAEXFMCIAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-2780 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 366px) 100vw, 366px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-hybrid-cap.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-hybrid-cap.png 366w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-hybrid-cap.png?resize=300,161 300w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"hybridkondensatorer-i-aluminiumpolymer\" class=\"wp-block-heading\">Hybridkondensatorer i aluminiumpolymer<\/h3>\n\n\n\n<p>ybridkondensatorerna anv\u00e4nder ledande polymer som elektrolyt. Det ger utm\u00e4rkt ledningsf\u00f6rm\u00e5ga och l\u00e5g ESR. De kan hantera h\u00f6g sp\u00e4nning och ger h\u00f6gre kapacitans \u00e4n de flesta andra kondensatorer.<\/p>\n\n\n\n<p><strong>Viktiga funktioner:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Godartat fell\u00e4ge<\/li><li>L\u00e5ng livsl\u00e4ngd<\/li><li>H\u00f6g kapacitet, 80 F<\/li><li>H\u00f6gsp\u00e4nning (upp till 100 V)<\/li><\/ul>\n\n\n\n<p>Panasonic:&nbsp;<a href=\"https:\/\/www.elfa.se\/search?q=Polymer+hybrid+aluminum+capacitors.+&amp;filter_Manufacturer=Panasonic\">Hybrid<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"300\"  height=\"300\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAASwAAAEsAQMAAABDsxw2AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACJJREFUaN7twTEBAAAAwqD1T20KP6AAAAAAAAAAAAAAAHgZLbQAAf\/pCWsAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-2781 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 300px) 100vw, 300px\"  data-pk-src=\"https:\/\/knowhowprod.wpengine.com\/wp-content\/uploads\/2021\/06\/jacks-images-film-capacitor.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-film-capacitor.jpg 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-film-capacitor.jpg?resize=150,150 150w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-film-capacitor.jpg?resize=80,80 80w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-film-capacitor.jpg?resize=110,110 110w\" ><\/figure><div class=\"wp-block-media-text__content\">\n<h3 id=\"filmkondensatorer\" class=\"wp-block-heading\">Filmkondensatorer<\/h3>\n\n\n\n<p>F\u00f6r analoga till\u00e4mpningar kan filmkondensatorer vara ett alternativ till keramiska kondensatorer. Dessa ytmonteringskondensatorer har l\u00e5g ESR, l\u00e5g f\u00f6rlustfaktor, inga st\u00f6tljud, ingen piezoelektrisk effekt och inget h\u00f6rbart brus.<\/p>\n\n\n\n<p>KEMET: FIlm<\/p>\n\n\n\n<p>Panasonic:&nbsp;<a href=\"https:\/\/www.elfa.se\/search?q=film+capacitors&amp;filter_categoryCodePathROOT%2Fcat-L2D_379525=cat-L2-3D_528720&amp;filter_categoryCodePathROOT%2Fcat-L2D_379525%2Fcat-L2-3D_528720=cat-L3D_525328&amp;filter_categoryCodePathROOT=cat-L2D_379525&amp;filter_Manufacturer=Panasonic\">Film<\/a><\/p>\n<\/div><\/div>\n\n\n\n<h2 id=\"qa-med-experter-fran-kemet-och-panasonic\" class=\"wp-block-heading\">Q&amp;A med experter fr\u00e5n KEMET och Panasonic<\/h2>\n\n\n\n<p>Matthias Harder, Director Business Management TBG EMEA hos KEMET och Shahrokh Kananizadeh, European Capacitor Product Manager hos Panasonic gav oss flera insikter i denna produkt och tog sig tid att besvara flera av v\u00e5ra fr\u00e5gor.<\/p>\n\n\n\n<p><strong>Distrelec<\/strong>: Hur kan vi \u00f6vertyga en ingenj\u00f6r som arbetar med prototyper som kr\u00e4ver keramiska kondensatorer att \u00f6verv\u00e4ga en annan l\u00f6sning, exempelvis polymerkondensatorer och anv\u00e4nda dem i sin design? Finns det n\u00e5got verktyg eller snabbguide som kan hj\u00e4lpa till vid beslutsprocessen?<\/p>\n\n\n\n<p><strong>Matthias<\/strong>: Det finns tillg\u00e4ngliga produktalternativ idag. Men inte bara det, ser man p\u00e5 den totala kostnaden f\u00f6r den kapacitans man vill ha kommer alternativa l\u00f6sningar att b\u00e5de spara pengar och utrymme. Polymerkondensatorer kan ge en mer stabil kapacitans vid tillf\u00f6rd v\u00e4xelstr\u00f6m och stabilare kapacitans under produktens livstid. Om du vill ha mer information har vi skapat ett webbseminarium om detta \u00e4mne:<a href=\"https:\/\/ec.kemet.com\/knowledge\/polymer-capacitors-your-solution-when-mlcc-lead-times-are-tight\">https:\/\/ec.kemet.com\/knowledge\/polymer-capacitors-your-solution-when-mlcc-lead-times-are-tight<\/a>.<\/p>\n\n\n\n<p><strong>Shahrokh:<\/strong>&nbsp;En bra utg\u00e5ngspunkt \u00e4r v\u00e5rt informationsblad om polymerkondensatorer:&nbsp;<a href=\"https:\/\/eu.industrial.panasonic.com\/download\/sos-short-mlccs-choose-panasonic-polymer-series\">https:\/\/eu.industrial.panasonic.com\/download\/sos-short-mlccs-choose-panasonic-polymer-series<\/a><\/p>\n\n\n\n<p><strong>Distrelec:<\/strong>&nbsp;Kan jag ers\u00e4tta dem eller m\u00e5ste jag t\u00e4nka om eller g\u00f6ra om min till\u00e4mpning?<\/p>\n\n\n\n<p><strong>Matthias:<\/strong>&nbsp;Vi har produkter som kan ers\u00e4tta keramiska 0805- och 1206-kondensatorer 1:1. Men det \u00e4r ingenting vi rekommenderar eftersom f\u00f6rdelarna med polymertekniken inte utnyttjas effektivt vid 1:1-ers\u00e4ttning I allm\u00e4nhet \u00e4r det klokare att \u00f6verv\u00e4ga polymerkondensatorer f\u00f6r f\u00f6ljande till\u00e4mpningar:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>En nettokapacitans p\u00e5 &gt;= 10 \u03bcF (f\u00f6r tillf\u00f6rd sp\u00e4nning upp till 14.4 V)<\/li><li>0.68\u201310 \u03bcF (vid tillf\u00f6rd sp\u00e4nning p\u00e5 45 V och h\u00f6gre)<\/li><li>Tillf\u00f6rd sp\u00e4nning upp till 67.5 V (60 V f\u00f6r sv\u00e5ra f\u00f6rh\u00e5llanden)<\/li><li>Frekvenser p\u00e5 upp till 1 MHz<\/li><\/ul>\n\n\n\n<p>Men det finns \u00e4ven andra t\u00e4nkbara anv\u00e4ndningsomr\u00e5den.<\/p>\n\n\n\n<p><strong>Shahrokh:<\/strong>Med tanke p\u00e5 kapselstorlekarna och f\u00f6rdelarna med polymer j\u00e4mf\u00f6rt med keramiska kondensatorer kr\u00e4vs f\u00f6rmodligen en ny design. En ny design kan bli en f\u00f6rdel eftersom den b\u00e5de sparar pengar och utrymme p\u00e5 kretskorten.<\/p>\n\n\n\n<p><strong>Distrelec:<\/strong>&nbsp;Hur ser de globala resurserna ut f\u00f6r polymerkondensatorer? Vilka produktionsanl\u00e4ggningar finns? Om vi b\u00f6rjar anv\u00e4nda dem i global skala, kommer det att uppst\u00e5 en brist?<\/p>\n\n\n\n<p><strong>Matthias:<\/strong>&nbsp;KEMET planerar att \u00f6ka produktionskapaciteten f\u00f6r tantalpolymer med mer \u00e4n 50 % till mars 2020 j\u00e4mf\u00f6rt med mars 2018. Den nuvarande \u00e5rliga efterfr\u00e5gan ligger p\u00e5 cirka 1100 ton globalt, med reserver p\u00e5 mer \u00e4n 100 000 ton.<\/p>\n\n\n\n<p><strong>Shahrokh:<\/strong>&nbsp;Panasonic har en egen fabrik f\u00f6r varje typ av polymerkondensator och FoU i Japan. Vi har en ytterligare leveransk\u00e4lla f\u00f6r SP-kondensatorer och POSCAP utanf\u00f6r Japan i h\u00e4ndelse av naturkatastrofer eller leveransproblem, vilket inneb\u00e4r att vi inte f\u00f6rv\u00e4ntar oss n\u00e5gon brist. VI \u00f6verv\u00e4ger en ytterligare leveransk\u00e4lla f\u00f6r OSCON- och hybridkondensatorer men f\u00f6r n\u00e4rvarande har vi tillr\u00e4cklig f\u00f6rv\u00e4ntad tillv\u00e4xtkapacitet.<\/p>\n\n\n\n<p><strong>Distrelec:<\/strong>&nbsp;Tantal anses vara en konfliktresurs. Fr\u00e5n vilka l\u00e4nder f\u00e5r KEMET sitt tantal?<\/p>\n\n\n\n<p><strong>Matthias:<\/strong>&nbsp;KEMET \u00e4r den enda tillverkaren av helt konfliktfritt tantal och MnO2-kondensatorer enligt SEC:s beslut g\u00e4llande konfliktmineraler, avsnitt 1502 i Dodd-Frank-lagen.<\/p>\n\n\n\n<p>Vi k\u00f6per bara in konfliktfria material, tack vare ett slutet system kan vi k\u00f6pa in fr\u00e5n Demokratiska republiken Kongo, men vi kan \u00e4ven k\u00f6pa in certifierad konfliktfri tantalit (coltan), K-Salt (kaliumfluorotantalat,biprodukt) samt tantalpulver eller -tr\u00e5d fr\u00e5n andra l\u00e4nder. Mer detaljerad information finns p\u00e5&nbsp;<a href=\"http:\/\/www.kemet.com\/conflictfree\">http:\/\/www.kemet.com\/conflictfree<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Bristen p\u00e5 keramiska flerskikts kondensatorer (MLCC) Bristen p\u00e5 keramiska flerskikts kondensatorer \u00e4r global och kan p\u00e5verka marknaden i&hellip;\n","protected":false},"author":4,"featured_media":8251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[241],"tags":[],"coauthors":[],"class_list":{"0":"post-8250","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-energi-stromforsorjning","8":"cs-entry","9":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u00f6sningen vid brist p\u00e5 keramiska flerskikts kondensatorer - KnowHow<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u00f6sningen vid brist p\u00e5 keramiska flerskikts kondensatorer - KnowHow\" \/>\n<meta property=\"og:description\" content=\"Bristen p\u00e5 keramiska flerskikts kondensatorer (MLCC) Bristen p\u00e5 keramiska flerskikts kondensatorer \u00e4r global och kan p\u00e5verka marknaden i&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/\" \/>\n<meta property=\"og:site_name\" content=\"KnowHow\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-20T19:31:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-20T19:31:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-peeni.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1023\" \/>\n\t<meta property=\"og:image:height\" content=\"341\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Chris Rush\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"Chris Rush\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/\"},\"author\":{\"name\":\"Chris Rush\",\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/#\/schema\/person\/7e26cae6e56b17cb61a1affd475750a2\"},\"headline\":\"L\u00f6sningen vid brist p\u00e5 keramiska flerskikts kondensatorer\",\"datePublished\":\"2021-09-20T19:31:05+00:00\",\"dateModified\":\"2021-09-20T19:31:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/\"},\"wordCount\":1760,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/#organization\"},\"image\":{\"@id\":\"https:\/\/knowhow.distrelec.com\/sv\/energi-stromforsorjning\/losningen-vid-brist-pa-keramiska-flerskikts-kondensatorer\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/06\/jacks-images-peeni.jpg\",\"articleSection\":[\"Energi &amp; 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