{"id":6775,"date":"2020-09-23T14:18:37","date_gmt":"2020-09-23T14:18:37","guid":{"rendered":"https:\/\/www.ed-k.de\/applications\/example-5-vhf-choke-with-ferrite-cylinder-core\/"},"modified":"2026-03-16T13:12:19","modified_gmt":"2026-03-16T13:12:19","slug":"example-5-vhf-choke-with-ferrite-cylinder-core","status":"publish","type":"page","link":"https:\/\/www.ed-k.de\/en\/applications\/example-5-vhf-choke-with-ferrite-cylinder-core\/","title":{"rendered":"Example 5: VHF choke with ferrite rod core"},"content":{"rendered":"<div class='clear'><\/div><div id='sub_menu1'  class='av-submenu-container av-drbh5-9ca3a3ca13dcc76a0a59fd1ff5f8b06a main_color  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  av-sticky-submenu container_wrap fullsize' style='z-index:301' ><div class='container av-menu-mobile-disabled av-submenu-pos-center'><ul id=\"menu-anwendungen-englisch\" class=\"av-subnav-menu\" role=\"menu\"><li role=\"menuitem\" id=\"menu-item-1178\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-1\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-1\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 1<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-7916\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-2\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-2-filter-reactor-with-ferrite-core-e32\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 2<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-8169\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-3\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-3-filter-choke-with-high-flux-core\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 3<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-7954\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-4\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-4-mains-line-choke-with-laminated-iron-plate\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 4<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-6792\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-5\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-5-vhf-choke-with-ferrite-cylinder-core\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 5<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-6793\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-6\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-6-3-phase-choke-for-mains-filter\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 6<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-1322\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-7\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-7\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 7<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<li role=\"menuitem\" id=\"menu-item-6794\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-top-level menu-item-top-level-8\"><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-8-filter-choke-with-iron-powder-core\/\" itemprop=\"url\" tabindex=\"0\"><span class=\"avia-bullet\"><\/span><span class=\"avia-menu-text\">Example 8<\/span><span class=\"avia-menu-fx\"><span class=\"avia-arrow-wrap\"><span class=\"avia-arrow\"><\/span><\/span><\/span><\/a><\/li>\n<\/ul><\/div><\/div><div class='sticky_placeholder'><\/div><div id='after_submenu_1'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-6775'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3cmlsh-df1fb5ab917f969e53903efbdcf54295\">\n.flex_column.av-3cmlsh-df1fb5ab917f969e53903efbdcf54295{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-3cmlsh-df1fb5ab917f969e53903efbdcf54295 av_one_full  avia-builder-el-1  el_after_av_submenu  el_before_av_two_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-396w35-46d503708b8b01f54d6fe6ffdc5d62ae\">\n#top .av-special-heading.av-396w35-46d503708b8b01f54d6fe6ffdc5d62ae{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-396w35-46d503708b8b01f54d6fe6ffdc5d62ae .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-396w35-46d503708b8b01f54d6fe6ffdc5d62ae .av-subheading{\nfont-size:17px;\n}\n<\/style>\n<div  class='av-special-heading av-396w35-46d503708b8b01f54d6fe6ffdc5d62ae av-special-heading-h1 blockquote modern-quote  avia-builder-el-2  avia-builder-el-no-sibling '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Example 5: VHF choke with ferrite rod core<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-30mp6h-577d94d3120ad89461c79a25a9d39902\">\n.flex_column.av-30mp6h-577d94d3120ad89461c79a25a9d39902{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-30mp6h-577d94d3120ad89461c79a25a9d39902 av_two_fifth  avia-builder-el-3  el_after_av_one_full  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2wr7kp-51a8d79f6210e80fc75bb4d10663557c\">\n#top .hr.hr-invisible.av-2wr7kp-51a8d79f6210e80fc75bb4d10663557c{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-2wr7kp-51a8d79f6210e80fc75bb4d10663557c hr-invisible  avia-builder-el-4  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-2sav75-49232a9090ab67296281088d432095e6 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>This diagram shows a VHF choke with ferrite rod core from the standard program of a well-known supplier. According to datasheet the inductance is 120 \u00b5H +\/-10%, the rated current is 2 A. The inductance of this kind of choke is relatively constant up to the rated current.<\/p>\n<p>The Power Choke Tester DPG10 is helpful especially for dimensioning and testing of self-made chokes with cylinder core due to easy measurement of the saturation current. An accurate calculation is mostly not possible.<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2k06vt-03cb0cf19c76d239b170736530b0e3fd\">\n.flex_column.av-2k06vt-03cb0cf19c76d239b170736530b0e3fd{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-2k06vt-03cb0cf19c76d239b170736530b0e3fd av_three_fifth  avia-builder-el-6  el_after_av_two_fifth  el_before_av_one_full  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8gzmh-dd16f68e14808c4576001bdc0f6220cf\">\n.avia-image-container.av-8gzmh-dd16f68e14808c4576001bdc0f6220cf img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-8gzmh-dd16f68e14808c4576001bdc0f6220cf .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-8gzmh-dd16f68e14808c4576001bdc0f6220cf av-styling- avia-align-center  avia-builder-el-7  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-9868 avia-img-lazy-loading-not-9868 avia_image ' src=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/Ex5E.png\" alt='' title='Ex5E'  height=\"562\" width=\"663\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/Ex5E.png 663w, https:\/\/www.ed-k.de\/wp-content\/uploads\/Ex5E-300x254.png 300w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-27cqa1-ae359697dc3f7dc9f4638d38b15d0abd '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/ex\/Ex5E.pdf\" target=\"_blank\" rel=\"noopener\">Entire measurement report<\/a><\/strong><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-23qs1d-927fc7583745175baa4532c145b3a561\">\n.flex_column.av-23qs1d-927fc7583745175baa4532c145b3a561{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-23qs1d-927fc7583745175baa4532c145b3a561 av_one_full  avia-builder-el-9  el_after_av_three_fifth  el_before_av_two_fifth  first no_margin flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1uhx0h-623674c5bbb8925bf2dfcd7da4e16e6d\">\n#top .hr.hr-invisible.av-1uhx0h-623674c5bbb8925bf2dfcd7da4e16e6d{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-1uhx0h-623674c5bbb8925bf2dfcd7da4e16e6d hr-invisible  avia-builder-el-10  avia-builder-el-no-sibling '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1sh99t-a2a8e0985c3047cce418a78c4740dfbb\">\n.flex_column.av-1sh99t-a2a8e0985c3047cce418a78c4740dfbb{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-1sh99t-a2a8e0985c3047cce418a78c4740dfbb av_two_fifth  avia-builder-el-11  el_after_av_one_full  el_before_av_three_fifth  first flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1lim4h-d78f4b7b964a4adbab49160b96262c7f\">\n#top .hr.hr-invisible.av-1lim4h-d78f4b7b964a4adbab49160b96262c7f{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-1lim4h-d78f4b7b964a4adbab49160b96262c7f hr-invisible  avia-builder-el-12  el_before_av_textblock  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-i0lt-dc96e64369e826d970b09d9fb548d710 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>The diagram right hand shows a self-made inductor with unknown core data. The initial inductance of about 3.1 \u00b5H is relatively constant up to 15 A. In this diagram the amplitude inductance is displayed in addition to the differential inductance.<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-16yb4h-6b678d79ceb98838e4808e7e7b45b877\">\n.flex_column.av-16yb4h-6b678d79ceb98838e4808e7e7b45b877{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-16yb4h-6b678d79ceb98838e4808e7e7b45b877 av_three_fifth  avia-builder-el-14  el_after_av_two_fifth  el_before_av_hr  flex_column_div av-zero-column-padding  column-top-margin'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13e6gx-070e9a42c40368d42d306dd0af6368c7\">\n.avia-image-container.av-13e6gx-070e9a42c40368d42d306dd0af6368c7 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-13e6gx-070e9a42c40368d42d306dd0af6368c7 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-13e6gx-070e9a42c40368d42d306dd0af6368c7 av-styling- avia-align-center  avia-builder-el-15  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1243 avia-img-lazy-loading-not-1243 avia_image ' src=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-5-report-e2.png\" alt='Example 5 measurement report e2' title=''  height=\"320\" width=\"670\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-5-report-e2.png 670w, https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-5-report-e2-300x143.png 300w, https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-5-report-e2-450x215.png 450w\" sizes=\"(max-width: 670px) 100vw, 670px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-x7jt5-f864498a22068fb3a9ff13c7a58d5eee '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><a href=\"https:\/\/www.ed-k.de\/wp-content\/uploads\/2017\/05\/example-5-report-e2.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Entire measurement report<\/strong><\/a><\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jgqmqkj2-93b75383dbe75cb7a8a0550ee865b1d5\">\n#top .hr.hr-invisible.av-jgqmqkj2-93b75383dbe75cb7a8a0550ee865b1d5{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-jgqmqkj2-93b75383dbe75cb7a8a0550ee865b1d5 hr-invisible  avia-builder-el-17  el_after_av_three_fifth  el_before_av_one_fourth '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class='flex_column_table av-te2qh-4763cf806e1ace89c7bfcdad246d42ce sc-av_one_fourth av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-te2qh-4763cf806e1ace89c7bfcdad246d42ce\">\n.flex_column.av-te2qh-4763cf806e1ace89c7bfcdad246d42ce{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-te2qh-4763cf806e1ace89c7bfcdad246d42ce av_one_fourth  avia-builder-el-18  el_after_av_hr  el_before_av_one_half  first flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><\/div>\n<div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mx12p-ef9e1791989eb23e2d14477a26c45d45\">\n.flex_column.av-mx12p-ef9e1791989eb23e2d14477a26c45d45{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-mx12p-ef9e1791989eb23e2d14477a26c45d45 av_one_half  avia-builder-el-19  el_after_av_one_fourth  el_before_av_one_fourth  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-26d7vb-6bd8058f523ccce4df078f258a2c7dde\">\n#top .av_textblock_section.av-26d7vb-6bd8058f523ccce4df078f258a2c7dde .avia_textblock{\nfont-size:15px;\n}\n<\/style>\n<section  class='av_textblock_section av-26d7vb-6bd8058f523ccce4df078f258a2c7dde '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><ol>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-1\/\">PFC choke with nanocrystalline core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-2\/\">Smoothing choke\u00a0with ferrite core under temperature influence<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-3\/\">Smoothing choke\u00a0with high flux core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-4\/\">Mains line choke with laminated iron core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-5\/\">VHF choke with ferrite rod core<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-6\/\">3-phase choke for mains filter<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-7\/\"> Current compensated chokes<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.ed-k.de\/en\/applications\/example-8\/\">Filter choke with iron powder core<\/a><\/strong><\/li>\n<\/ol>\n<\/div><\/section><\/div>\n<div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bgqhd-5dc2a993fd7a16312ff4e7e92f80de46\">\n.flex_column.av-bgqhd-5dc2a993fd7a16312ff4e7e92f80de46{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-bgqhd-5dc2a993fd7a16312ff4e7e92f80de46 av_one_fourth  avia-builder-el-21  el_after_av_one_half  avia-builder-el-last  flex_column_table_cell av-equal-height-column av-align-top av-zero-column-padding  '     ><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":7872,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6775","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Example 5: VHF choke with ferrite cylinder core<\/title>\n<meta name=\"description\" content=\"Example 5: : VHF choke with ferrite cylinder core. The inductance of this kind of choke is relatively constant up to the rated current.\" \/>\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.ed-k.de\/en\/applications\/example-5-vhf-choke-with-ferrite-cylinder-core\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Example 5: VHF choke with ferrite cylinder core\" \/>\n<meta property=\"og:description\" content=\"Example 5: : VHF choke with ferrite cylinder core. The inductance of this kind of choke is relatively constant up to the rated current.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ed-k.de\/en\/applications\/example-5-vhf-choke-with-ferrite-cylinder-core\/\" \/>\n<meta property=\"og:site_name\" content=\"ed-k\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-16T13:12:19+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ed-k.de\\\/en\\\/applications\\\/example-5-vhf-choke-with-ferrite-cylinder-core\\\/\",\"url\":\"https:\\\/\\\/www.ed-k.de\\\/en\\\/applications\\\/example-5-vhf-choke-with-ferrite-cylinder-core\\\/\",\"name\":\"Example 5: VHF choke with ferrite cylinder core\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ed-k.de\\\/en\\\/#website\"},\"datePublished\":\"2020-09-23T14:18:37+00:00\",\"dateModified\":\"2026-03-16T13:12:19+00:00\",\"description\":\"Example 5: : VHF choke with ferrite cylinder core. 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