{"id":2763,"date":"2025-05-23T08:30:00","date_gmt":"2025-05-23T00:30:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=2763"},"modified":"2025-05-22T16:31:25","modified_gmt":"2025-05-22T08:31:25","slug":"0-1nh-smd-inductor","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/","title":{"rendered":"0.1nh Smd Inducteur"},"content":{"rendered":"<p>Un inducteur \u00e0 puce est un composant \u00e9lectronique courant utilis\u00e9 dans les circuits pour des fonctions telles que le filtrage, la r\u00e9gulation et le couplage.Elle est g\u00e9n\u00e9ralement constitu\u00e9e d'une bobine de sol\u00e9no\u00efde enroul\u00e9e autour d'une puce de mat\u00e9riau isolant. Ce sol\u00e9no\u00efde peut \u00eatre cylindrique, carr\u00e9 ou d'une autre forme, selon les besoins sp\u00e9cifiques de la conception.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor.jpg\" alt=\"0.1nh Smd Inducteur\" class=\"wp-image-2766\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 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\">Table des mati\u00e8res<\/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:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#What_is_a_01nh_Chip_Inductor%EF%BC%9F\" >Qu'est-ce qu'un inducteur \u00e0 puce de 0,1nh\uff1f ?<\/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:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#1Key_Characteristics_of_01nH_Chip_Inductors\" >1.Caract\u00e9ristiques principales des inducteurs \u00e0 puce de 0,1nH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#2Fundamentals_of_General_Chip_Inductors\" >2. principes fondamentaux des inducteurs \u00e0 puce g\u00e9n\u00e9raux<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#3Selection_Guidelines_for_01nH_Inductors\" >3. Lignes directrices pour la s\u00e9lection des inducteurs de 0,1nH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#4Typical_Applications\" >4. Applications typiques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#5Comparison_with_Conventional_Inductors\" >5 Comparaison avec les inducteurs conventionnels<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#Basic_Structure_and_Types_of_Chip_Inductors\" >Structure de base et types d'inducteurs \u00e0 puce<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#1_Core_Structural_Components\" >1. Composants structurels de base<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#2_Main_Types_and_Characteristics_Comparison\" >2.Comparaison des principaux types et caract\u00e9ristiques<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#Working_Principle_and_Key_Functions_of_01nH_Chip_Inductors\" >Principe de fonctionnement et fonctions cl\u00e9s des inducteurs \u00e0 puce de 0,1nH<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#1_Working_Principle_Based_on_Faradays_Law_of_Electromagnetic_Induction\" >1. Principe de fonctionnement (bas\u00e9 sur la loi de Faraday sur l&amp;#8217induction \u00e9lectromagn\u00e9tique)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#2_Four_Core_Functions_of_01nH_Chip_Inductors\" >2.Quatre fonctions essentielles des inducteurs \u00e0 puce de 0,1nH<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#3_Unique_Advantages_of_01nH_Inductors\" >3.Avantages uniques des inducteurs 0,1nH<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#Professional_SMD_Inductor_Soldering_Guide\" >Guide professionnel de soudage de l'inducteur CMS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#I_Pre-Soldering_Preparation\" >I. Pr\u00e9paration avant soudure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#II_Standard_Soldering_Procedure_Hand_Soldering\" >II.Proc\u00e9dure de brasage standard (brasage manuel)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#III_Critical_Considerations\" >III.Consid\u00e9rations critiques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#IV_Post-Soldering_Verification\" >IV.V\u00e9rification apr\u00e8s soudure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#V_Process_Optimization\" >V.Optimisation des processus<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/fr\/blog\/0-1nh-smd-inductor\/#SMD_inductors_for_the_field\" >Inducteurs SMD pour le terrain<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_a_01nh_Chip_Inductor%EF%BC%9F\"><\/span><strong>Qu'est-ce qu'un inducteur \u00e0 puce de 0,1nh ?<\/strong>\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Un inducteur \u00e0 puce (inducteur SMD) est un composant passif mont\u00e9 en surface qui stocke l'\u00e9nergie \u00e9lectromagn\u00e9tique et assure le filtrage par l'interm\u00e9diaire d'une structure enroul\u00e9e. Parmi ces composants, l'inducteur <strong>0,1nH (0,1 nanohenry)<\/strong> repr\u00e9sente une valeur d'inductance extr\u00eamement faible, con\u00e7ue pour les circuits \u00e0 ultra-haute fr\u00e9quence (UHF) o\u00f9 une inductance minimale est essentielle.<\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1Key_Characteristics_of_01nH_Chip_Inductors\"><\/span>1.<strong>Principales caract\u00e9ristiques des inducteurs \u00e0 puce de 0,1nH<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Inductance ultra-faible<\/strong>: 0,1nH (1\u00d710\u00b9\u2070 H) est une valeur d'inductance minuscule, g\u00e9n\u00e9ralement obtenue en utilisant des pistes tr\u00e8s courtes ou des micro-bobines, o\u00f9 les effets parasites (par exemple, la capacit\u00e9 distribu\u00e9e) deviennent significatifs.<\/li>\n\n<li><strong>Applications haute fr\u00e9quence<\/strong>Principalement utilis\u00e9 dans <strong>les ondes millim\u00e9triques (mmWave), les communications 5G, les frontaux RF (par exemple, l'adaptation des antennes) et les circuits num\u00e9riques \u00e0 grande vitesse (par exemple, l'optimisation de l'int\u00e9grit\u00e9 des signaux PCIe\/USB).<\/strong><\/li>\n\n<li><strong>Structure simplifi\u00e9e<\/strong>: Quelques inductances de 0,1nH peuvent \u00eatre mises en \u0153uvre en tant qu'inductances de 0,1nH. <strong>Traces PCB (lignes microruban)<\/strong> ou des bo\u00eetiers SMD ultra-compacts (par exemple, 0201\/01005).<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2Fundamentals_of_General_Chip_Inductors\"><\/span><strong>2. principes fondamentaux des inducteurs \u00e0 puce g\u00e9n\u00e9raux<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Paquets standard<\/strong>: 0402, 0603, 0805, etc., bien que les variantes 0,1nH puissent n\u00e9cessiter des conceptions encore plus petites.<\/li>\n\n<li><strong>Fonctions essentielles<\/strong>: <strong>Filtrage (suppression des interf\u00e9rences \u00e9lectromagn\u00e9tiques), tamponnement de l'\u00e9nergie (convertisseurs DC-DC) et adaptation de l'imp\u00e9dance (circuits RF).<\/strong><\/li>\n\n<li><strong>Param\u00e8tres critiques<\/strong>: Au-del\u00e0 de l'inductance, consid\u00e9rez <strong>la fr\u00e9quence d'auto-r\u00e9sonance (SRF), le courant nominal (souvent en mA) et le facteur Q (perte \u00e0 haute fr\u00e9quence).<\/strong><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3Selection_Guidelines_for_01nH_Inductors\"><\/span><strong>3. Lignes directrices pour la s\u00e9lection des inducteurs de 0,1nH<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Performance en haute fr\u00e9quence<\/strong>: S'assurer que le <strong>La SRF est bien sup\u00e9rieure \u00e0 la fr\u00e9quence de fonctionnement<\/strong> (par exemple, &gt;100 GHz pour un radar automobile de 77 GHz).<\/li>\n\n<li><strong>Effets parasitaires<\/strong>: Les inductances de faible valeur sont sensibles aux <strong>disposition des plaquettes et routage des traces<\/strong>-v\u00e9rifier par la simulation ou l'essai.<\/li>\n\n<li><strong>Solutions alternatives<\/strong>: Dans certains cas, un <strong>fil court cavalier<\/strong> peut suffire, mais la coh\u00e9rence et la d\u00e9rive thermique doivent \u00eatre \u00e9valu\u00e9es.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4Typical_Applications\"><\/span><strong>4. Applications typiques<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Modules RF<\/strong>: R\u00e9glage fin de l'imp\u00e9dance \u00e0 <strong>les sorties de l'amplificateur de puissance (PA).<\/strong><\/li>\n\n<li><strong>Circuits num\u00e9riques \u00e0 grande vitesse<\/strong>: Att\u00e9nuer les r\u00e9flexions en <strong>les signaux de la gamme des GHz (compensation du stub).<\/strong><\/li>\n\n<li><strong>Syst\u00e8mes \u00e0 micro-ondes<\/strong>: R\u00e9seaux d'appariement pour <strong>les transitions entre le guide d'ondes et la puce.<\/strong><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5Comparison_with_Conventional_Inductors\"><\/span><strong>5 Comparaison avec les inducteurs conventionnels<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Param\u00e8tres<\/th><th>Inducteur de puce 0,1nH<\/th><th>Inducteur de puce standard (par exemple, 1\u00b5H)<\/th><\/tr><\/thead><tbody><tr><td><strong>Gamme de fr\u00e9quences<\/strong><\/td><td>10 GHz<\/td><td>1 GHz<\/td><\/tr><tr><td><strong>Utilisation principale<\/strong><\/td><td>Int\u00e9grit\u00e9 du signal<\/td><td>Filtrage de l'alimentation<\/td><\/tr><tr><td><strong>Structure<\/strong><\/td><td>\u00c9ventuellement sans noyau<\/td><td>Noyau en ferrite\/c\u00e9ramique<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Basic_Structure_and_Types_of_Chip_Inductors\"><\/span><strong>Structure de base et types d'inducteurs \u00e0 puce<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Core_Structural_Components\"><\/span><strong>1. Composants structurels de base<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Les inducteurs \u00e0 puce mont\u00e9s en surface se composent principalement de trois \u00e9l\u00e9ments cl\u00e9s :<\/p><ul class=\"wp-block-list\"><li><strong>Bobine<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Mat\u00e9riau<\/strong>: Fil de cuivre de haute puret\u00e9 ou conducteurs en alliage (par exemple, argent-palladium), avec certaines variantes haute fr\u00e9quence utilisant le placage d'or.<\/li>\n\n<li><strong>Processus<\/strong>Bobinage de pr\u00e9cision ou photolithographie (pour les types de couches minces), affectant la r\u00e9sistance au courant continu (DCR) et la r\u00e9ponse en fr\u00e9quence.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Noyau magn\u00e9tique<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Mat\u00e9riaux communs<\/strong>: Ferrite (basse fr\u00e9quence, haute inductance), ferrite nickel-zinc (haute fr\u00e9quence, faible perte) ou alliages amorphes (applications \u00e0 courant \u00e9lev\u00e9).<\/li>\n\n<li><strong>Fonction<\/strong>Am\u00e9liore la perm\u00e9abilit\u00e9 pour augmenter l'inductance mais peut introduire des probl\u00e8mes de saturation (v\u00e9rifier le courant nominal).<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Encapsulation\/h\u00e9bergement<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Protection de l'environnement<\/strong>: Le bo\u00eetier en c\u00e9ramique ou en r\u00e9sine assure la stabilit\u00e9 m\u00e9canique et la r\u00e9sistance \u00e0 l'environnement (protection contre l'humidit\u00e9 et l'oxydation).<\/li>\n\n<li><strong>Terminaux<\/strong>: Les \u00e9lectrodes \u00e9tam\u00e9es ou argent\u00e9es garantissent la fiabilit\u00e9 de la soudure.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Main_Types_and_Characteristics_Comparison\"><\/span><strong>2.Comparaison des principaux types et caract\u00e9ristiques<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>En fonction des m\u00e9thodes de construction, les inducteurs \u00e0 puce sont class\u00e9s en quatre cat\u00e9gories :<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Type<\/strong><\/th><th><strong>Fil enroul\u00e9<\/strong><\/th><th><strong>Multicouche<\/strong><\/th><th><strong>Couche mince<\/strong><\/th><th><strong>Tress\u00e9<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Structure<\/strong><\/td><td>Fil de cuivre sur le noyau<\/td><td>Couches magn\u00e9tiques stratifi\u00e9es<\/td><td>Traces photolithographi\u00e9es<\/td><td>Fibres m\u00e9talliques entrelac\u00e9es<\/td><\/tr><tr><td><strong>Inductance<\/strong><\/td><td>Large (nH-mH)<\/td><td>Petit (nH-\u03bcH)<\/td><td>Tr\u00e8s faible (0,1nH-100nH)<\/td><td>Moyennement \u00e9lev\u00e9 (gamme \u03bcH)<\/td><\/tr><tr><td><strong>Tol\u00e9rance<\/strong><\/td><td>\u00b12%-\u00b15%<\/td><td>\u00b15%-\u00b110%<\/td><td>\u00b10,1nH (haute pr\u00e9cision)<\/td><td>\u00b110%-\u00b120%<\/td><\/tr><tr><td><strong>Facteur Q<\/strong><\/td><td>\u00c9lev\u00e9 (50-100)<\/td><td>Mod\u00e9r\u00e9 (20-50)<\/td><td>Tr\u00e8s \u00e9lev\u00e9 (&gt;100, RF-fit)<\/td><td>Faible (&lt;20, puissance nominale)<\/td><\/tr><tr><td><strong>Avantages<\/strong><\/td><td>Haute pr\u00e9cision, faible perte<\/td><td>Chemin magn\u00e9tique compact et ferm\u00e9<\/td><td>Ultra-haute fr\u00e9quence, miniaturis\u00e9<\/td><td>Courant \u00e9lev\u00e9, anti-saturation<\/td><\/tr><tr><td><strong>Limites<\/strong><\/td><td>Contraintes de taille<\/td><td>Plage d'inductance \u00e9troite<\/td><td>Inductance minimale<\/td><td>Encombrant, performances m\u00e9diocres en haute fr\u00e9quence<\/td><\/tr><tr><td><strong>Applications<\/strong><\/td><td>Filtrage de la puissance, basse fr\u00e9quence, r\u00e9sonance<\/td><td>Smartphones, appareils IoT<\/td><td>5G\/mmWave, circuits int\u00e9gr\u00e9s RF<\/td><td>Conversion DC-DC \u00e0 courant \u00e9lev\u00e9<\/td><\/tr><\/tbody><\/table><\/figure><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-1.jpg\" alt=\"0.1nh Smd Inducteur\" class=\"wp-image-2767\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Working_Principle_and_Key_Functions_of_01nH_Chip_Inductors\"><\/span><strong>Principe de fonctionnement et fonctions cl\u00e9s des inducteurs \u00e0 puce de 0,1nH<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Working_Principle_Based_on_Faradays_Law_of_Electromagnetic_Induction\"><\/span><strong>1. Principe de fonctionnement (bas\u00e9 sur la loi de Faraday sur l&amp;#8217induction \u00e9lectromagn\u00e9tique)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Conversion de l'\u00e9nergie \u00e9lectromagn\u00e9tique<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Lorsque le courant traverse la bobine de l'inducteur, il g\u00e9n\u00e8re un <strong>champ magn\u00e9tique circulaire<\/strong>avec une intensit\u00e9 de champ proportionnelle au courant (loi du cercle d&amp;#8217Amp\u00e8re).<\/li>\n\n<li>Lorsque le courant varie (par exemple, les signaux \u00e0 haute fr\u00e9quence), la variation du champ magn\u00e9tique induit un courant \u00e9lectrique. <strong>CEM dorsal<\/strong> (loi de Lenz), r\u00e9sistant aux fluctuations soudaines du courant.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Caract\u00e9ristiques de fr\u00e9quence<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Bloque le courant alternatif, passe le courant continu<\/strong>: Imp\u00e9dance proche de z\u00e9ro en courant continu (0Hz), alors que l'imp\u00e9dance en courant alternatif augmente avec la fr\u00e9quence (XL=2\u03c0fL).<\/li>\n\n<li><strong>Caract\u00e9ristiques uniques des inducteurs 0,1nH<\/strong>:<ul class=\"wp-block-list\"><li>L'inductance extr\u00eamement faible se traduit par une imp\u00e9dance minimale (par exemple, seulement 0,63\u03a9 \u00e0 1 GHz), ce qui la rend id\u00e9ale pour les applications suivantes <strong>voies de signal \u00e0 ultra-haute fr\u00e9quence<\/strong> (par exemple, bandes d'ondes millim\u00e9triques).<\/li>\n\n<li>La capacit\u00e9 parasite (typiquement 0,1-0,5pF) peut provoquer une auto-r\u00e9sonance - la s\u00e9lection doit tenir compte de la SRF (Self-Resonant Frequency).<\/li><\/ul><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Four_Core_Functions_of_01nH_Chip_Inductors\"><\/span><strong>2.Quatre fonctions essentielles des inducteurs \u00e0 puce de 0,1nH<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonction<\/strong><\/th><th><strong>M\u00e9canisme<\/strong><\/th><th><strong>Applications typiques<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Filtre haute fr\u00e9quence Filtrage<\/strong><\/td><td>Forme des filtres LC avec des condensateurs pour absorber le bruit (par exemple, l'ondulation de la puissance, les interf\u00e9rences RF).<\/td><td>Station de base 5G d\u00e9couplage PA, circuits de puissance CPU<\/td><\/tr><tr><td><strong>Tampon \u00e9nerg\u00e9tique<\/strong><\/td><td>Stocke temporairement de l'\u00e9nergie dans les circuits de commutation (par exemple, les convertisseurs DC-DC) pour r\u00e9duire les fluctuations de tension dues aux pointes de courant.<\/td><td>N\u0153uds haute fr\u00e9quence des convertisseurs Buck\/Boost<\/td><\/tr><tr><td><strong>Adaptation d'imp\u00e9dance<\/strong><\/td><td>Ajuste l'imp\u00e9dance du chemin RF (par exemple, les interfaces d'antenne) pour minimiser la r\u00e9flexion du signal et am\u00e9liorer l'efficacit\u00e9 de la transmission.<\/td><td>Fronts RF des radars \u00e0 ondes millim\u00e9triques, conception d'antennes Wi-Fi 6E<\/td><\/tr><tr><td><strong>Suppression des interf\u00e9rences \u00e9lectromagn\u00e9tiques<\/strong><\/td><td>Annule le bruit rayonn\u00e9 \u00e0 haute fr\u00e9quence gr\u00e2ce \u00e0 l'annulation du flux magn\u00e9tique, r\u00e9duisant ainsi les fuites \u00e9lectromagn\u00e9tiques gr\u00e2ce au blindage.<\/td><td>Interfaces SerDes \u00e0 haute vitesse, modules de communication par satellite<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Unique_Advantages_of_01nH_Inductors\"><\/span><strong>3.Avantages uniques des inducteurs 0,1nH<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Ad\u00e9quation aux ultra-hautes fr\u00e9quences<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Fonctionne jusqu'\u00e0 <strong>30 GHz<\/strong> (par exemple, les communications par satellite en bande Ka), o\u00f9 les inductances filaires traditionnelles \u00e9chouent en raison d'effets parasites.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Int\u00e9gration miniaturis\u00e9e<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Le bo\u00eetier 01005 (0,4\u00d70,2 mm) permet d'int\u00e9grer des circuits imprim\u00e9s \u00e0 haute densit\u00e9, ce qui est id\u00e9al pour les applications suivantes <strong>SiP (System-in-Package)<\/strong> dessins.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Faible perte d'insertion<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Par rapport aux pi\u00e8ces \u00e0 haute inductance, il introduit moins de perte dans les bandes mmWave (&lt;0.1dB@60GHz).<\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-3.jpg\" alt=\"Inducteur smd 0,1nh\" class=\"wp-image-2768\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/05\/0.1nh-Smd-Inductor-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Professional_SMD_Inductor_Soldering_Guide\"><\/span>Guide professionnel de soudage de l'inducteur CMS<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"I_Pre-Soldering_Preparation\"><\/span>I. Pr\u00e9paration avant soudure<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Liste de contr\u00f4le des outils et du mat\u00e9riel<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Outils essentiels : Poste de soudure \u00e0 temp\u00e9rature contr\u00f4l\u00e9e (280-320\u2103 recommand\u00e9), fil de soudure sans plomb (0,3-0,5mm de diam\u00e8tre), pince \u00e0 \u00e9piler de pr\u00e9cision \u00e0 s\u00e9curit\u00e9 ESD, pistolet \u00e0 air chaud r\u00e9glable.<\/li>\n\n<li>Mat\u00e9riel auxiliaire :Microscope de soudage (grossissement 10-20x), flux non nettoyant, tresse de dessoudage.<\/li>\n\n<li>S\u00e9curit\u00e9 :Bracelet ESD, syst\u00e8me d'extraction des fum\u00e9es<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Pr\u00e9traitement des PCB<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Nettoyer les tampons avec des lingettes alcoolis\u00e9es pour \u00e9liminer l'oxydation.<\/li>\n\n<li>V\u00e9rifier que les dimensions du tampon correspondent aux bornes de l'inducteur (extension de 0,2 mm recommand\u00e9e).<\/li>\n\n<li>Confirmer les marquages de polarit\u00e9 (essentiel pour les inductances de puissance)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"II_Standard_Soldering_Procedure_Hand_Soldering\"><\/span>II.Proc\u00e9dure de brasage standard (brasage manuel)<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00c9tape<\/th><th>Op\u00e9rations cl\u00e9s<\/th><th>Param\u00e8tres techniques<\/th><\/tr><\/thead><tbody><tr><td>1. Placement<\/td><td>Utiliser un stylo \u00e0 vide ou une pince ESD pour un alignement pr\u00e9cis<\/td><td>Tol\u00e9rance de position \u22640,1mm<\/td><\/tr><tr><td>2. Pr\u00e9chauffage<\/td><td>Pr\u00e9chauffer le circuit imprim\u00e9 \u00e0 80-100\u2103 avec un pistolet \u00e0 air chaud (5cm de distance).<\/td><td>Niveau de d\u00e9bit d'air 2-3, 200\u2103<\/td><\/tr><tr><td>3. Fixation temporaire<\/td><td>Souder par collage un coin de la borne en premier<\/td><td>Fer \u00e0 souder \u00e0 300\u00b110\u2103<\/td><\/tr><tr><td>4. Soudure compl\u00e8te<\/td><td>Appliquer la technique de soudure par tra\u00een\u00e9e pour les autres bornes.<\/td><td>Temps de contact &lt;3s par articulation<\/td><\/tr><tr><td>5. Contr\u00f4le<\/td><td>Examiner la morphologie des articulations au microscope<\/td><td>Filet concave lisse requis<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"III_Critical_Considerations\"><\/span>III.Consid\u00e9rations critiques<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Gestion de la temp\u00e9rature<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Inducteurs \u00e0 noyau de ferrite : Max 300\u2103<\/li>\n\n<li>Inducteurs \u00e0 couche mince :Utiliser une soudure \u00e0 basse temp\u00e9rature (138\u2103 point de fusion).<\/li>\n\n<li>Chauffage continu maximum :5 secondes<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Traitement des types sp\u00e9ciaux<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Inducteurs \u00e0 courant \u00e9lev\u00e9 : P\u00e2te \u00e0 braser suppl\u00e9mentaire sur la pastille inf\u00e9rieure<\/li>\n\n<li>Inducteurs RF :\u00c9viter les soudures contenant de l'argent (affecte le facteur Q).<\/li>\n\n<li>Micro inducteurs (01005) :Processus de refusion recommand\u00e9<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>D\u00e9pannage<\/strong><\/li><\/ul><ul class=\"wp-block-list\"><li>Pontage : Enlever avec une tresse de dessoudage<\/li>\n\n<li>Joints froids :Refusion avec ajout de flux<\/li>\n\n<li>D\u00e9placement des composants :Utiliser la distribution d'adh\u00e9sif<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"IV_Post-Soldering_Verification\"><\/span>IV.V\u00e9rification apr\u00e8s soudure<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Tests \u00e9lectriques :<\/li><\/ul><ul class=\"wp-block-list\"><li>Mesure LCR (\u00e9cart &lt;\u00b15%)<\/li>\n\n<li>Contr\u00f4le de conformit\u00e9 DCR<\/li><\/ul><ul class=\"wp-block-list\"><li>Tests m\u00e9caniques :<\/li><\/ul><ul class=\"wp-block-list\"><li>Essai de traction (2,5 kgf standard)<\/li>\n\n<li>Inspection par rayons X de l'int\u00e9grit\u00e9 interne<\/li><\/ul><ul class=\"wp-block-list\"><li>Tests environnementaux :<\/li><\/ul><ul class=\"wp-block-list\"><li>Cycle thermique (-40\u2103~125\u2103)<\/li>\n\n<li>Essai de vibration (balayage de 10 \u00e0 500 Hz)<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"V_Process_Optimization\"><\/span>V.Optimisation des processus<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li>Production de masse :<\/li><\/ul><ul class=\"wp-block-list\"><li>Optimisation du profil de refusion recommand\u00e9<\/li>\n\n<li>Temp\u00e9rature maximale par taille :<ul class=\"wp-block-list\"><li>0603 : 235-245\u2103<\/li>\n\n<li>0402 : 230-240\u2103<\/li><\/ul><\/li><\/ul><ul class=\"wp-block-list\"><li>Lignes directrices pour le retravail :<\/li><\/ul><ul class=\"wp-block-list\"><li>Utiliser des appareils de chauffage d\u00e9di\u00e9s<\/li>\n\n<li>Contr\u00f4ler strictement la dur\u00e9e de r\u00e9chauffage<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SMD_inductors_for_the_field\"><\/span>Inducteurs SMD pour le terrain<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>1.circuit d'alimentation :<\/strong> comme une alimentation \u00e0 d\u00e9coupage, un convertisseur DC-DC.<br><strong>2. \u00e9quipement de communication :<\/strong> tels que les t\u00e9l\u00e9phones portables, les modules de communication sans fil.<br><strong>3. circuits \u00e0 haute fr\u00e9quence :<\/strong> tels que les circuits de radiofr\u00e9quence (RF), les radars.<br><strong>4. l'\u00e9lectronique grand public :<\/strong> tels que les ordinateurs portables et les tablettes \u00e9lectroniques.<\/p>","protected":false},"excerpt":{"rendered":"<p>Inducteurs CMS :One-Stop Solution for Selection\/Soldering\/Testing &amp;#8211 ; Explication d\u00e9taill\u00e9e des caract\u00e9ristiques de l'inductance UHF de 0,1nH, du processus de soudage SMD (y compris la norme IPC), des m\u00e9thodes de mesure pr\u00e9cises du LCR\/analyseur de r\u00e9seau, des techniques de test des param\u00e8tres de niveau nH-\u03bcH et des points de conception des circuits \u00e0 haute fr\u00e9quence.<\/p>","protected":false},"author":1,"featured_media":2765,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[250,251],"class_list":["post-2763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-0-1nh-smd-inductor","tag-smd-inductor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - 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