{"id":120,"date":"2024-11-13T03:23:40","date_gmt":"2024-11-12T18:23:40","guid":{"rendered":"https:\/\/bando-elec.co.jp\/eng\/?page_id=120"},"modified":"2024-11-20T02:42:37","modified_gmt":"2024-11-19T17:42:37","slug":"transformer","status":"publish","type":"page","link":"https:\/\/bando-elec.co.jp\/eng\/transformer\/","title":{"rendered":"Power Transformer"},"content":{"rendered":"\n<div class=\"wp-block-group alignwide has-base-2-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading alignwide has-text-align-center has-x-large-font-size\">Toroidal Transformer<\/h1>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-small-font-size wp-block-paragraph\">A toroidal transformer is a type of power transformer with a structure where electrical wires are directly wound around a continuous, donut-shaped iron core.<br>It offers excellent electrical characteristics, including high efficiency, low losses, and low magnetic leakage, making it ideal for use in high-quality devices.<\/p>\n\n\n\n<p class=\"has-text-align-left has-small-font-size wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-text-align-left has-small-font-size wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Features<\/p>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li>High Efficiency<br>Due to the continuous closed magnetic path formed by the core, magnetic losses are minimized, achieving high conversion efficiency.<\/li>\n\n\n\n<li>Low Magnetic Leakage<br>The design confines the magnetic flux within the core, minimizing magnetic leakage and reducing interference with surrounding electronic devices.<\/li>\n\n\n\n<li>Compact and Lightweight<br>Compared to EI transformers, toroidal transformers can be designed to be more compact and lightweight for the same output capacity.<\/li>\n\n\n\n<li>Low Noise<br>The windings uniformly surround the core, suppressing electromagnetic noise and vibrations.<\/li>\n\n\n\n<li>High Manufacturing Cost<br>The winding process is complex and labor-intensive, leading to higher manufacturing costs.<\/li>\n\n\n\n<li>Not Suitable for Mass Production<br>The manufacturing process is difficult to automate and relies heavily on manual labor, making it less suitable for mass production.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"629\" height=\"646\" src=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR.png\" alt=\"\" class=\"wp-image-537\" style=\"width:251px;height:auto\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR.png 629w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR-292x300.png 292w\" sizes=\"auto, (max-width: 629px) 100vw, 629px\" \/><\/figure>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center has-small-font-size wp-block-paragraph\">Dimensional Specifications<\/p>\n\n\n\n<p class=\"has-text-align-center has-small-font-size wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"645\" src=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size-2-1024x645.png\" alt=\"\" class=\"wp-image-540\" style=\"width:386px;height:auto\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size-2-1024x645.png 1024w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size-2-300x189.png 300w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size-2-768x483.png 768w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size-2.png 1320w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"438\" height=\"654\" src=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size2-1.png\" alt=\"\" class=\"wp-image-542\" style=\"width:213px;height:auto\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size2-1.png 438w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/TR_size2-1-201x300.png 201w\" sizes=\"auto, (max-width: 438px) 100vw, 438px\" \/><\/figure>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:35px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignwide has-base-2-background-color has-background has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-center has-x-large-font-size\">EI Transformer<\/h1>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-left has-small-font-size wp-block-paragraph\">An EI transformer is a type of power transformer constructed with an E-shaped and I-shaped iron core (core) and copper wire wound on a bobbin. It operates stably over a wide frequency range, is resistant to magnetic saturation, and is suitable for handling high currents. Compared to toroidal transformers, its simpler structure allows for reduced manufacturing costs.<\/p>\n\n\n\n<p class=\"has-text-align-center has-small-font-size wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Features<\/p>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li>Low Manufacturing Cost<br>The simple structure and straightforward manufacturing process help reduce production costs.<\/li>\n\n\n\n<li>Suitable for Mass Production<br>Standardized components and processes allow for efficient mass production.<\/li>\n\n\n\n<li>Design Flexibility<br>The use of a bobbin makes it relatively easy to modify the winding and core design.<\/li>\n\n\n\n<li>High Magnetic Leakage<br>Due to the core&#8217;s structure, magnetic flux is more likely to leak externally, potentially affecting nearby equipment.<\/li>\n\n\n\n<li>Low Efficiency<br>Magnetic losses are higher compared to toroidal transformers, which can result in lower conversion efficiency.<\/li>\n\n\n\n<li>Prone to Noise<br>Magnetic leakage and vibrations tend to increase electromagnetic noise.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"395\" height=\"378\" src=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI.png\" alt=\"\" class=\"wp-image-535\" style=\"width:251px;height:auto\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI.png 395w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI-300x287.png 300w\" sizes=\"auto, (max-width: 395px) 100vw, 395px\" \/><\/figure>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center has-small-font-size wp-block-paragraph\">Dimensional Specifications<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"913\" src=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size-1024x913.png\" alt=\"\" class=\"wp-image-533\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size-1024x913.png 1024w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size-300x267.png 300w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size-768x685.png 768w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size-1536x1369.png 1536w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size-2048x1826.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"393\" height=\"195\" src=\"http:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size2.jpg\" alt=\"\" class=\"wp-image-534\" style=\"width:479px;height:auto\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size2.jpg 393w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/EI_size2-300x149.jpg 300w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><\/figure>\n\n\n\n<div style=\"height:22px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:38px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignfull header-placeholder has-contrast-2-background-color has-background has-global-padding is-content-justification-center is-layout-constrained wp-container-core-group-is-layout-d832a406 wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-0cb026ae wp-block-group-is-layout-constrained\">\n<h5 class=\"wp-block-heading has-text-align-center has-base-2-color has-text-color has-link-color has-medium-font-size wp-elements-191fc1c377477e49d355317ba1952391\" style=\"font-style:normal;font-weight:600\">Power Transformers for High-End Audio Equipment<\/h5>\n\n\n\n<h1 class=\"wp-block-heading has-text-align-center has-base-2-color has-text-color has-link-color has-x-large-font-size wp-elements-10006288a593d8eb3117ce68965ee410\" style=\"font-style:normal;font-weight:600;text-decoration:underline\"><a href=\"https:\/\/bando-elec.co.jp\/eng\/premiumbando\/\" data-type=\"page\" data-id=\"478\">PREMIUM BANDO<\/a><\/h1>\n\n\n\n<div style=\"height:34px;width:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded is-style-rounded--1\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"572\" src=\"http:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/slide_index-1024x572.jpeg\" alt=\"\" class=\"wp-image-558\" srcset=\"https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/slide_index-1024x572.jpeg 1024w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/slide_index-300x167.jpeg 300w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/slide_index-768x429.jpeg 768w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/slide_index-1536x857.jpeg 1536w, https:\/\/bando-elec.co.jp\/eng\/wp-content\/uploads\/2024\/11\/slide_index-2048x1143.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:34px;width:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-base-2-color has-text-color has-link-color has-system-serif-font-family has-medium-font-size wp-elements-32deaad5eb78833914f4a577819a6319 wp-block-paragraph\">An immersive experience as if you were in a forest, listening to the chirping of birds.<br>A sense of sonic transparency that makes you forget the existence of machinery.<\/p>\n\n\n\n<p class=\"has-base-2-color has-text-color has-link-color has-system-serif-font-family has-medium-font-size wp-elements-9a67c036b6f9821ef05bae7264be6d6b wp-block-paragraph\">PREMIUM BANDO is a power transformer for high-end audio equipment, developed to fully reproduce the true allure of music.<\/p>\n\n\n\n<p class=\"has-base-2-color has-text-color has-link-color has-system-serif-font-family has-medium-font-size wp-elements-f773a19aee490db4c66c38cd0568d8e1 wp-block-paragraph\">At BANDO, through the development and production of PREMIUM BANDO, we aim to preserve and advance the audio technology and craftsmanship that countless predecessors in Japan have devoted themselves to creating, passing it on to future generations.<\/p>\n\n\n\n<div style=\"height:34px;width:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-0aa01211 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-accent-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/bando-elec.co.jp\/eng\/premiumbando\/\">Learn More<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Toroidal Transformer A toroidal transformer is a type of power transformer with a structure where electrical wires are directly wound around a continuous, donut-shaped iron core.It offers excellent electrical characteristics, including high efficiency, low losses, and low magnetic leakage, making it ideal for use in high-quality devices. Features Dimensional Specifications EI Transformer An EI transformer [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-120","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/pages\/120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/comments?post=120"}],"version-history":[{"count":8,"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/pages\/120\/revisions"}],"predecessor-version":[{"id":779,"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/pages\/120\/revisions\/779"}],"wp:attachment":[{"href":"https:\/\/bando-elec.co.jp\/eng\/wp-json\/wp\/v2\/media?parent=120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}