{"id":29754,"date":"2025-11-20T09:54:50","date_gmt":"2025-11-20T08:54:50","guid":{"rendered":"https:\/\/www.ksg-pcb.com\/?p=29754"},"modified":"2025-11-20T09:54:51","modified_gmt":"2025-11-20T08:54:51","slug":"planartrafos-understanding-and-applying-technology-part-iii-from-specification-to-production-ready-printed-circuit-board","status":"publish","type":"post","link":"https:\/\/www.ksg-pcb.com\/en\/planartrafos-technik-verstehen-anwenden-teil-iii-von-der-spezifikation-zur-serienreifen-leiterplatte\/","title":{"rendered":"Planar transformers: Understanding &amp; applying technology Part III: From specification to production-ready printed circuit board"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"29754\" class=\"elementor elementor-29754\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2d7519d e-flex e-con-boxed e-con e-parent\" data-id=\"2d7519d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9135c3d elementor-nav-menu__align-start elementor-nav-menu--dropdown-tablet elementor-nav-menu__text-align-aside elementor-nav-menu--toggle elementor-nav-menu--burger elementor-widget elementor-widget-nav-menu\" data-id=\"9135c3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;&lt;i class=\\&quot;fas fa-caret-down\\&quot; aria-hidden=\\&quot;true\\&quot;&gt;&lt;\\\/i&gt;&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;toggle&quot;:&quot;burger&quot;}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"Surface Contributions\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-background e--animation-fade\">\n\t\t\t\t<ul id=\"menu-1-9135c3d\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-26600\"><a href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos\/\" class=\"elementor-item\">Part I: The Basics<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-27006\"><a href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos-anwendungen\/\" class=\"elementor-item\">Part II: Amazing Applications<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-30174\"><a href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos-technik-verstehen-anwenden-teil-iii-von-der-spezifikation-zur-serienreifen-leiterplatte\/\" class=\"elementor-item\">Part III: From the specification to the production-ready printed circuit board<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t<div class=\"elementor-menu-toggle\" role=\"button\" tabindex=\"0\" aria-label=\"Menu Toggle\" aria-expanded=\"false\">\n\t\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--open eicon-menu-bar\"><\/i><i aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--close eicon-close\"><\/i>\t\t<\/div>\n\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-9135c3d\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-26600\"><a href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos\/\" class=\"elementor-item\" tabindex=\"-1\">Part I: The Basics<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-27006\"><a href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos-anwendungen\/\" class=\"elementor-item\" tabindex=\"-1\">Part II: Amazing Applications<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-post menu-item-30174\"><a href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos-technik-verstehen-anwenden-teil-iii-von-der-spezifikation-zur-serienreifen-leiterplatte\/\" class=\"elementor-item\" tabindex=\"-1\">Part III: From the specification to the production-ready printed circuit board<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4ad3d0f e-con-full e-flex e-con e-parent\" data-id=\"4ad3d0f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e895141 elementor-widget elementor-widget-text-editor\" data-id=\"e895141\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If you request a PCB with an integrated planar transformer or a stand-alone planar transformer, a development process begins for us that differs significantly from standard PCBs. The requirements are not only electrically demanding, but also pose special challenges in terms of design, material selection and production. Our aim is to support you in achieving efficient, reliable and series-ready solutions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ca30e73 e-con-full e-flex e-con e-parent\" data-id=\"ca30e73\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-00b999b e-con-full e-flex e-con e-child\" data-id=\"00b999b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8eb504d elementor-widget-mobile__width-inherit elementor-widget elementor-widget-image\" data-id=\"8eb504d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-1024x683.jpg\" class=\"attachment-large size-large wp-image-28284\" alt=\"KSG Group sales representative advises on printed circuit boards with integrated planar transformers\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-1024x683.jpg 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-300x200.jpg 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-768x512.jpg 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-1536x1024.jpg 1536w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-2048x1366.jpg 2048w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/09\/KSG_30.01.24.-0617-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0880ab8 e-con-full e-flex e-con e-child\" data-id=\"0880ab8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e42c7fc elementor-widget elementor-widget-heading\" data-id=\"e42c7fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Specification and coordination<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77ec0c9 elementor-widget elementor-widget-spacer\" data-id=\"77ec0c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fe1ce0 elementor-widget elementor-widget-text-editor\" data-id=\"2fe1ce0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>It all starts with the <strong>Clarification of your requirements<\/strong>:<\/p><ul><li>What voltages and currents must be transmitted?<\/li><li>What insulation distances and construction heights are required?<\/li><li>Which standards must be complied with for safety-relevant applications?<\/li><\/ul><p>Particularly in the case of high safety requirements, we advise you at an early stage on how clearance specifications can be reliably implemented in the PCB layout. Only if electrical, mechanical and manufacturing requirements are considered together from the outset can subsequent correction loops be avoided.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4aae396 e-con-full e-flex e-con e-parent\" data-id=\"4aae396\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-43c2ee9 e-con-full e-flex e-con e-child\" data-id=\"43c2ee9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ca57f64 elementor-widget elementor-widget-heading\" data-id=\"ca57f64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">PCB stackup and material selection<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-898c1fa elementor-widget elementor-widget-spacer\" data-id=\"898c1fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-157e9c6 elementor-widget elementor-widget-text-editor\" data-id=\"157e9c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Planar transformers usually require a multi-layer circuit board with defined copper thicknesses.<\/p><ul><li><strong>Multilayeredness:<\/strong> Depending on the performance class, 4 to 8 layers may be necessary - often even more, with a number of layers in the high double-digit range being required from time to time.<\/li><li><strong>Copper thickness:<\/strong> Standard PCBs often use 1 oz copper; for planar transformers we also use up to 4 oz or connect several layers in parallel to ensure current carrying capacity and efficiency.<\/li><li><strong>Thermal management:<\/strong> High-performance planar transformers generate heat. We support you in the selection of suitable materials and cooling structures to ensure that your PCB dissipates heat optimally and prevents overheating.<\/li><li><strong>Mechanical precision:<\/strong> Precise cut-outs for the ferrite core ensure that the transformer can be mounted precisely later on.<\/li><\/ul><p>We recommend materials and stackups that optimally support your requirements in terms of efficiency, performance and functionality.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1194c43 e-con-full e-flex e-con e-child\" data-id=\"1194c43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a93570 elementor-widget elementor-widget-image\" data-id=\"6a93570\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"902\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/ML_Stackup-8-Lagen_mit_Loetstopp-908x1024.png\" class=\"attachment-large size-large wp-image-29826\" alt=\"Layer structure of an 8-layer multialyer\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/ML_Stackup-8-Lagen_mit_Loetstopp-908x1024.png 908w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/ML_Stackup-8-Lagen_mit_Loetstopp-266x300.png 266w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/ML_Stackup-8-Lagen_mit_Loetstopp-768x866.png 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/ML_Stackup-8-Lagen_mit_Loetstopp-11x12.png 11w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/ML_Stackup-8-Lagen_mit_Loetstopp.png 1111w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6689cc e-flex e-con-boxed e-con e-parent\" data-id=\"a6689cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c00fb32 elementor-widget-mobile__width-inherit elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"c00fb32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"565\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/Canva_Kostenoptimierung-1024x723.jpg\" class=\"attachment-large size-large wp-image-29772\" alt=\"Cost optimization for printed circuit boards with integrated planar transformers\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/Canva_Kostenoptimierung-1024x723.jpg 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/Canva_Kostenoptimierung-300x212.jpg 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/Canva_Kostenoptimierung-768x542.jpg 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/Canva_Kostenoptimierung-18x12.jpg 18w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/11\/Canva_Kostenoptimierung.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-62f78e6 e-con-full e-flex e-con e-child\" data-id=\"62f78e6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2436e9c elementor-widget elementor-widget-heading\" data-id=\"2436e9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Cost optimization<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ee9e83 elementor-widget elementor-widget-spacer\" data-id=\"5ee9e83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fc8960 elementor-widget elementor-widget-text-editor\" data-id=\"7fc8960\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We can also advise you on <strong>cost-efficient manufacturing processes<\/strong>, to minimize material and production costs without compromising the quality of the PCBs. Efficient designs, optimum panel design, the best possible layer structures and therefore cost-effective production processes help to implement your projects economically.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8488174 elementor-widget elementor-widget-spacer\" data-id=\"8488174\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-556d1d5 elementor-widget elementor-widget-heading\" data-id=\"556d1d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Cooperation and coordination<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5139650 elementor-widget elementor-widget-spacer\" data-id=\"5139650\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2103a84 elementor-widget elementor-widget-text-editor\" data-id=\"2103a84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Successful implementation can only be achieved through\u00a0<strong>Closely coordinated cooperation<\/strong>We advise you on layer structure, copper thickness, winding strategy and insulation as early as the design phase. Regular replacement reduces correction loops, increases production reliability and ensures that your PCB can be manufactured later without any problems.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ba4b31 e-flex e-con-boxed e-con e-parent\" data-id=\"8ba4b31\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b342c17 elementor-widget elementor-widget-heading\" data-id=\"b342c17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Manufacturing challenges<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-560db5c elementor-widget elementor-widget-spacer\" data-id=\"560db5c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6ebabd elementor-widget elementor-widget-text-editor\" data-id=\"b6ebabd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The production of a printed circuit board with a planar transformer requires special attention:<\/p><ul><li><strong>Copper thickness and structure width:<\/strong> Thick copper layers are more complex to etch. Precision is crucial, as even small deviations can change the magnetic characteristics.<\/li><li><strong>Isolation:<\/strong> Strict distances must be maintained between the primary and secondary sides. Special insulation layers or milled slots are used here.<\/li><li><strong>Drill holes and vias:<\/strong> Several current vias connected in parallel and\/or filled microvias ensure that high currents are safely conducted - this requires particularly clean production processes.<\/li><li><strong>winding strategy:<\/strong> Spiral or meander shapes, interleaving and the arrangement of the connecting vias influence efficiency, leakage inductance and <br \/>EMC behavior.<\/li><li><strong>Testing:<\/strong> Electrical testing of the coil requires special equipment and in-depth expertise in order to reliably ensure quality.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-10455be e-flex e-con-boxed e-con e-parent\" data-id=\"10455be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-165892e elementor-widget elementor-widget-heading\" data-id=\"165892e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cea1135 elementor-widget elementor-widget-spacer\" data-id=\"cea1135\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9550b89 elementor-widget elementor-widget-text-editor\" data-id=\"9550b89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The production of a PCB with an integrated planar transformer is significantly more demanding than the production of a standard PCB. For you as a customer, this means<\/p><ul><li>Detailed coordination and continuous advice<\/li><li>Maximum precision in all production steps<\/li><li>Optimum insulation, copper thickness, winding strategy and heat dissipation<\/li><\/ul><p><br \/>This results in printed circuit boards that not only conduct signals, but also <strong>Actively convert energy<\/strong> - reliable, efficient and ready for series production. They form a central component for modern, high-performance electronic solutions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-990c735 e-flex e-con-boxed e-con e-parent\" data-id=\"990c735\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f685d72 e-con-full e-flex e-con e-child\" data-id=\"f685d72\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5acd56a e-con-full e-flex e-con e-child\" data-id=\"5acd56a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12fd511 elementor-widget elementor-widget-heading\" data-id=\"12fd511\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Questions?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f070bda elementor-widget elementor-widget-spacer\" data-id=\"f070bda\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aac8820 elementor-widget elementor-widget-text-editor\" data-id=\"aac8820\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-776df74 elementor-widget elementor-widget-heading\" data-id=\"776df74\" data-element_type=\"widget\" data-widget_type=\"heading.default\"><div class=\"elementor-widget-container\"><p>Do you have questions about planar transformers or need support with the layout and development process?<\/p><\/div><\/div><div class=\"elementor-element elementor-element-900d22d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"900d22d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p class=\"translation-block\">Please feel free to contact the experienced experts at our <strong>Technical Support<\/strong> department.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-610c972 elementor-widget elementor-widget-button\" data-id=\"610c972\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div 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elementor-element-aad44d7 elementor-widget elementor-widget-button\" data-id=\"aad44d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"tel:%20+493721266555\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-KSG_Icon_Smartphone\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Phone +49 3721 266-555<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1ca0178 e-con-full e-flex e-con e-child\" data-id=\"1ca0178\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a0517d elementor-widget elementor-widget-image\" data-id=\"5a0517d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-1024x683.jpg\" class=\"attachment-large size-large wp-image-24028\" alt=\"Technical support at KSG\" srcset=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-1024x683.jpg 1024w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-300x200.jpg 300w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-768x512.jpg 768w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-1536x1025.jpg 1536w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-2048x1366.jpg 2048w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-18x12.jpg 18w, https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/2022_08_10-KSG-Portraits-Gruppen9083-scaled-e1740038786249.jpg 1201w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Wenn Sie eine Leiterplatte mit integriertem Planartransformator oder einen eigenst\u00e4ndigen Planartransformator anfragen, beginnt f\u00fcr uns ein Entwicklungsprozess, der sich deutlich von Standard-PCBs unterscheidet. Die Anforderungen sind nicht nur elektrisch anspruchsvoll, [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":24042,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[221],"tags":[385],"class_list":["post-29754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-sensorik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Planartrafo: So entsteht eine serienreife PCB \u26af pcb-blog.com<\/title>\n<meta name=\"description\" content=\"Leiterplatten mit Planartransformatoren stellen besondere Herausforderungen an Design, Materialauswahl und Fertigung.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos-understanding-and-applying-technology-part-iii-from-specification-to-production-ready-printed-circuit-board\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Planartrafo: So entsteht eine serienreife PCB \u26af pcb-blog.com\" \/>\n<meta property=\"og:description\" content=\"Leiterplatten mit Planartransformatoren stellen besondere Herausforderungen an Design, Materialauswahl und Fertigung.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ksg-pcb.com\/en\/planartrafos-understanding-and-applying-technology-part-iii-from-specification-to-production-ready-printed-circuit-board\/\" \/>\n<meta property=\"og:site_name\" content=\"KSG GmbH\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ksgpcb\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-20T08:54:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-20T08:54:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ksg-pcb.com\/wp-content\/uploads\/2025\/02\/Ausschnitt_grosse_Platte.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1261\" \/>\n\t<meta property=\"og:image:height\" content=\"832\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Renate Kaufmann\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Renate Kaufmann\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ksg-pcb.com\\\/planartrafos-technik-verstehen-anwenden-teil-iii-von-der-spezifikation-zur-serienreifen-leiterplatte\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ksg-pcb.com\\\/planartrafos-technik-verstehen-anwenden-teil-iii-von-der-spezifikation-zur-serienreifen-leiterplatte\\\/\"},\"author\":{\"name\":\"Renate Kaufmann\",\"@id\":\"https:\\\/\\\/www.ksg-pcb.com\\\/en\\\/#\\\/schema\\\/person\\\/dd7e7ebcda4f3fa5deccd3118776e501\"},\"headline\":\"Planartrafos: Technik verstehen &amp; 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