{"id":6695,"date":"2025-05-23T08:30:00","date_gmt":"2025-05-23T00:30:00","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=6695"},"modified":"2025-10-22T17:08:57","modified_gmt":"2025-10-22T09:08:57","slug":"how-to-test-smd-inductor","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/","title":{"rendered":"\u00bfC\u00f3mo probar un inductor SMD?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#Comprehensive_Guide_to_Testing_SMD_Inductors\" >Gu\u00eda completa para la comprobaci\u00f3n de inductores SMD<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#I_Testing_Principles_and_Importance\" >I. Principios e importancia de las pruebas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#II_Instrument_Selection_Guide\" >II.Gu\u00eda de selecci\u00f3n de instrumentos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#III_Standardized_Testing_Procedure\" >III.Procedimiento normalizado de examen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#IV_Advanced_Testing_Techniques\" >IV.T\u00e9cnicas de ensayo avanzadas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#V_Troubleshooting_Guide\" >V.Gu\u00eda de resoluci\u00f3n de problemas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/#VI_Test_Report_Template\" >VI.Plantilla de informe de ensayo<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comprehensive_Guide_to_Testing_SMD_Inductors\"><\/span>Gu\u00eda completa para la comprobaci\u00f3n de inductores SMD<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"I_Testing_Principles_and_Importance\"><\/span>I. Principios e importancia de las pruebas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fundamentos de <a href=\"https:\/\/topfastpcba.com\/es\/what-is-an-inductor\/\">Inductor<\/a> Pruebas<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Based on the AC impedance method: L=XL\/(2\u03c0f), where XL is inductive reactance and f is the test frequency<\/li>\n\n\n\n<li>Quality factor Q reflects energy storage efficiency: Q=2\u03c0fL\/R<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>An\u00e1lisis de fuentes de error<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Efectos par\u00e1sitos (capacitancia t\u00edpica distribuida 0,1- 0,5pF)<\/li>\n\n\n\n<li>Contact resistance (should be &lt;50m\u03a9)<\/li>\n\n\n\n<li>Interferencias ambientales (se recomienda una sala blindada para las pruebas de alta frecuencia)<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor-2.jpg\" alt=\"Inductor SMD\" class=\"wp-image-6697\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor-2.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor-2-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor-2-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"II_Instrument_Selection_Guide\"><\/span>II.Gu\u00eda de selecci\u00f3n de instrumentos<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Tabla comparativa de instrumentos principales<\/strong> <\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Categor\u00eda de instrumentos<\/th><th>Rango de medici\u00f3n<\/th><th>Precisi\u00f3n b\u00e1sica<\/th><th>Gama de frecuencias<\/th><th>Aplicaciones clave<\/th><th>Modelos est\u00e1ndar del sector<\/th><\/tr><\/thead><tbody><tr><td>Medidor LCR de precisi\u00f3n<\/td><td>1nH &#8211; 100H<\/td><td>\u00b10.1% basic<\/td><td>20 Hz &#8211; 300 kHz<\/td><td>Filtros de alimentaci\u00f3n, convertidores CC-CC<\/td><td>Keysight E4980A, Hioki IM3536<\/td><\/tr><tr><td>Medidor RF LCR<\/td><td>0,1nH &#8211; 1kH<\/td><td>\u00b10.05%<\/td><td>1kHz &#8211; 30MHz<\/td><td>Redes de adaptaci\u00f3n de RF, circuitos de HF<\/td><td>GW Instek LCR-800G, Wayne Kerr 6500B<\/td><\/tr><tr><td>Analizador vectorial de redes<\/td><td>0,01nH &#8211; 10H<\/td><td>\u00b10.02dB magnitude<\/td><td>100kHz &#8211; 20GHz<\/td><td>Componentes de microondas, Sistemas de antenas<\/td><td>R&amp;S ZNB20, Keysight PNA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>    2.<strong>\u00c1rbol de decisiones de selecci\u00f3n<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"731\" height=\"329\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree.jpg\" alt=\"\" class=\"wp-image-6696\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree.jpg 731w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree-300x135.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Selection-Decision-Tree-150x68.jpg 150w\" sizes=\"auto, (max-width: 731px) 100vw, 731px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"III_Standardized_Testing_Procedure\"><\/span>III.Procedimiento normalizado de examen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fase de preparaci\u00f3n<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tratamiento de la superficie de contacto:<\/li>\n\n\n\n<li>Limpieza ultras\u00f3nica con isopropanol (3 minutos)<\/li>\n\n\n\n<li>Limpieza por plasma para oxidaci\u00f3n severa (50W, 2 minutos)<\/li>\n\n\n\n<li>Control medioambiental:<\/li>\n\n\n\n<li>Temperature 23\u00b11\u2103 (30 min thermal stabilization)<\/li>\n\n\n\n<li>Humedad &lt;45% HR<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pasos detallados de la operaci\u00f3n<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ejemplo para el inductor del paquete 0402:<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seleccione el dispositivo de prueba triaxial (por ejemplo, Cascade Microtech ACP40)<\/li>\n\n\n\n<li>Establezca las condiciones de la prueba:<br><code>freq = [100kHz, 1MHz, 10MHz] bias = [0mA, 10mA]<\/code><\/li>\n\n\n\n<li>Realizar la compensaci\u00f3n de la resistencia de los contactos (m\u00e9todo de 4 hilos)<\/li>\n\n\n\n<li><strong>Normas de adquisici\u00f3n de datos<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sampling: \u226516 averages<\/li>\n\n\n\n<li>Criterios de estabilidad: &lt;0,5% de variaci\u00f3n en 3 lecturas consecutivas<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"IV_Advanced_Testing_Techniques\"><\/span>IV.T\u00e9cnicas de ensayo avanzadas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caracterizaci\u00f3n de la temperatura<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Setup: Thermal chamber (-55\u2103~+150\u2103)<\/li>\n\n\n\n<li>Par\u00e1metros clave:<\/li>\n\n\n\n<li>Temperature coefficient TC=\u0394L\/(L0\u00d7\u0394T)<\/li>\n\n\n\n<li>Typical value: \u00b130ppm\/\u2103 (ferrite materials)<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caracterizaci\u00f3n del sesgo de CC<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Configuraci\u00f3n: Fuente de corriente programable (0- 10A)<\/li>\n\n\n\n<li>An\u00e1lisis de curvas:<\/li>\n\n\n\n<li>Corriente de saturaci\u00f3n Isat (corriente al 10% de ca\u00edda L)<\/li>\n\n\n\n<li>Degradaci\u00f3n de la permeabilidad<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pruebas de par\u00e1metros de alta frecuencia<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Medici\u00f3n de par\u00e1metros S (1MHz-20GHz)<\/li>\n\n\n\n<li>M\u00e9tricas clave:<\/li>\n\n\n\n<li>Frecuencia autorresonante (SRF)<\/li>\n\n\n\n<li>Curva de frecuencia del factor Q<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor.jpg\" alt=\"\" class=\"wp-image-6699\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Smd-Inductor-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"V_Troubleshooting_Guide\"><\/span>V.Gu\u00eda de resoluci\u00f3n de problemas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tabla de diagn\u00f3stico de anomal\u00edas de medici\u00f3n<\/strong> <\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>S\u00edntoma<\/th><th>Posibles causas<\/th><th>Soluciones recomendadas<\/th><th>Notas t\u00e9cnicas<\/th><\/tr><\/thead><tbody><tr><td>Deriva de lectura<\/td><td>\u2022 Poor contact (Rcontact &gt;50m\u03a9)<br>\u2022 Loose fixture<br>\u2022 Temperature fluctuation<\/td><td>\u2022 Use gold-plated spring probes<br>\u2022 Apply contact cleaner (e.g., DeoxIT D5)<br>\u2022 Stabilize test environment (\u00b11\u00b0C)<\/td><td>Contact resistance should be &lt;20m\u03a9 for nH-range measurements<\/td><\/tr><tr><td>Valor Q bajo<\/td><td>\u2022 Core material loss (tan\u03b4&gt;0.1)<br>\u2022 Frequency near SRF<br>\u2022 Excessive DC bias<\/td><td>\u2022 Test at manufacturer-specified freq<br>\u2022 Reduce DC bias to &lt;10% Isat<br>\u2022 Verify core material specs<\/td><td>Para aplicaciones RF: Q&lt;30@100MHz indica un posible problema<\/td><\/tr><tr><td>Valor L negativo<\/td><td>\u2022 Testing beyond SRF<br>\u2022 Fixture capacitance (&gt;1pF)<br>\u2022 Ground loop issues<\/td><td>\u2022 Test at \u226450% of SRF<br>\u2022 Use low-C fixtures (e.g., triaxial)<br>\u2022 Implement ground isolation<\/td><td>Maintain SRF \u22653\u00d7 operating frequency for reliable measureme<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Par\u00e1metros de aplicaci\u00f3n t\u00edpicos<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Circuitos RF m\u00f3viles:<\/li>\n\n\n\n<li>Frecuencia de prueba: 2,4\/5,8GHz<\/li>\n\n\n\n<li>Tolerance: \u00b12%<\/li>\n\n\n\n<li>Potencia del servidor:<\/li>\n\n\n\n<li>DC bias: 20A<\/li>\n\n\n\n<li>Thermal requirement: \u0394L&lt;5%@105\u2103<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"VI_Test_Report_Template\"><\/span>VI.Plantilla de informe de ensayo<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Contenidos esenciales<\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Registros ambientales (temperatura\/humedad\/presi\u00f3n)<\/li>\n\n\n\n<li>ID del certificado de calibraci\u00f3n del instrumento<\/li>\n\n\n\n<li>Datos brutos con marcas de tiempo<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ejemplo de presentaci\u00f3n de datos<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>N\u00ba de lote<\/th><th>Inductancia @1MHz (nH)<\/th><th>Factor de calidad (Q)<\/th><th>Frecuencia autorresonante (GHz)<\/th><th>DC Resistance (m\u03a9)<\/th><\/tr><\/thead><tbody><tr><td>A001<\/td><td>56.2 \u00b10.3<\/td><td>42<\/td><td>3.5<\/td><td>18.7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>This guide complies with IEC 62391-1 standards. For automotive applications, additional AEC-Q200 85\u2103\/85%RH environmental testing is required. Always refer to the manufacturer&#8217;s specifications (e.g., Murata Measurement Manual) for device-specific requirements.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Gu\u00eda completa para pruebas de inductores SMD:Incluye procedimientos de prueba paso a paso, consejos para la soluci\u00f3n de problemas comunes (factor Q, SRF, problemas de contacto) y m\u00e9todos avanzados para pruebas de polarizaci\u00f3n de temperatura\/DC.<\/p>","protected":false},"author":2,"featured_media":6698,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[138],"class_list":["post-6695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-smd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Test SMD Inductor? - Topfastpcba<\/title>\n<meta name=\"description\" content=\"Complete Guide to SMD Inductor Testing: Includes step-by-step test procedures, troubleshooting tips for common problems (Q-factor, SRF, contact issues), and advanced methods for temperature\/DC bias testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topfastpcba.com\/es\/how-to-test-smd-inductor\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Test SMD Inductor? 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