{"id":761,"date":"2026-06-03T08:08:00","date_gmt":"2026-06-03T00:08:00","guid":{"rendered":"https:\/\/www.han-sphere.com\/?p=761"},"modified":"2026-06-01T22:21:31","modified_gmt":"2026-06-01T14:21:31","slug":"pcb-reliability-testing-thermal-cycling-burn-in-vibration","status":"publish","type":"post","link":"https:\/\/www.han-sphere.com\/de\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/","title":{"rendered":"PCB-Zuverl\u00e4ssigkeitstests: Thermisches Zyklieren, Burn-In und Vibrationstest"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Eine Leiterplatte, die heute funktioniert, kann sechs Monate sp\u00e4ter immer noch ausfallen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Das ist der Unterschied zwischen:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Funktionalit\u00e4t und Zuverl\u00e4ssigkeit.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Das Bestehen der elektrischen Pr\u00fcfung beweist nur:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cDas Brett funktioniert jetzt.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Die Zuverl\u00e4ssigkeitspr\u00fcfung stellt eine andere Frage:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cFunktioniert es auch noch nach Hitze, Vibration und Zeit?\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00fcr hochzuverl\u00e4ssige Elektronik ist dies ebenso wichtig wie die Funktionalit\u00e4t.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/06\/ICT-2.jpg\" alt=\"ICT\" class=\"wp-image-752\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/06\/ICT-2.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/06\/ICT-2-300x225.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/06\/ICT-2-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Was ist PCB-Zuverl\u00e4ssigkeitspr\u00fcfung?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PCB-Zuverl\u00e4ssigkeitstests bewerten, wie gut eine Leiterplatte im Laufe der Zeit und unter Belastung funktioniert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Das Ziel ist die Identifizierung:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fr\u00fche Misserfolge im Leben<\/li>\n\n\n\n<li>schwache L\u00f6tstellen<\/li>\n\n\n\n<li>thermische Erm\u00fcdung<\/li>\n\n\n\n<li>mechanische Schw\u00e4chen<\/li>\n\n\n\n<li>langfristige Verschlechterung<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Anstelle von normalen Betriebsbedingungen werden bei Zuverl\u00e4ssigkeitspr\u00fcfungen absichtlich Belastungen eingesetzt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Warum Zuverl\u00e4ssigkeitstests wichtig sind<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Elektronische Ausf\u00e4lle im Feld sind teuer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f6gliche Folgen sind:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Garantie-R\u00fcckgaben<\/li>\n\n\n\n<li>Ausfallzeit<\/li>\n\n\n\n<li>Sicherheitsrisiken<\/li>\n\n\n\n<li>Produktr\u00fcckrufe<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In Branchen wie der Automobilindustrie oder der Medizintechnik:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Zuverl\u00e4ssigkeit ist oft obligatorisch und nicht optional.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00e4ngige PCB-Zuverl\u00e4ssigkeitspr\u00fcfmethoden<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Unterschiedliche Produkte erfordern unterschiedliche Tests.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zu den g\u00e4ngigsten Methoden geh\u00f6ren:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temperaturwechselbeanspruchung<\/li>\n\n\n\n<li>Einbrenntest<\/li>\n\n\n\n<li>Vibrationstests<\/li>\n\n\n\n<li>Feuchtigkeitspr\u00fcfung<\/li>\n\n\n\n<li>Thermoschock<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sie zeigen jeweils unterschiedliche Versagensmechanismen auf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Thermischer Zyklustest<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bei thermischen Zyklen wechselt die Temperatur wiederholt zwischen hei\u00dfen und kalten Bedingungen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beispiel:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-40\u00b0C \u2192 +125\u00b0C \u2192 Wiederholung<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Zweck:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>langfristige Temperaturbelastung simulieren<\/li>\n\n\n\n<li>Materialausdehnungsfehlanpassung aufdecken<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dies zeigt sich oft:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u00f6tm\u00fcdigkeit<\/li>\n\n\n\n<li>durch Rissbildung<\/li>\n\n\n\n<li>Laminatbeanspruchung<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Besonders wichtig f\u00fcr:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automobilelektronik<\/li>\n\n\n\n<li>Outdoor-Ausr\u00fcstung<\/li>\n\n\n\n<li>industrielle Systeme<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Warum thermisches Zyklieren zu Ausf\u00e4llen f\u00fchrt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Verschiedene Materialien dehnen sich unterschiedlich aus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zum Beispiel:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kupfer<\/li>\n\n\n\n<li>Lot<\/li>\n\n\n\n<li>FR4-Laminat<\/li>\n\n\n\n<li>keramische Bauteile<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">in unterschiedlichem Tempo expandieren.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wiederholtes Ausdehnen und Zusammenziehen erzeugt mechanische Spannungen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Im Laufe der Zeit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u00f6trisse entstehen<\/li>\n\n\n\n<li>Vias schw\u00e4chen<\/li>\n\n\n\n<li>elektrische Ausf\u00e4lle m\u00f6glich werden<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Verwandt: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/pcb-via-design-high-speed-stub-backdrill\/\">PCB Via Design in Hochgeschwindigkeitsschaltungen<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Burn-In-Pr\u00fcfung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Beim Burn-in-Test wird eine Leiterplatte \u00fcber einen l\u00e4ngeren Zeitraum kontinuierlich betrieben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typische Bedingungen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>erh\u00f6hte Temperatur<\/li>\n\n\n\n<li>elektrische Belastung<\/li>\n\n\n\n<li>Dauerbetrieb<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Zweck:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Fr\u00fchzeitige Erkennung von Fehlern vor der Auslieferung<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Dies beruht auf einem gemeinsamen Zuverl\u00e4ssigkeitsgrundsatz:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Schwache Komponenten neigen zu fr\u00fchzeitigem Versagen.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Das Einbrennen hilft, diese Fehler zu beseitigen, bevor die Produkte zum Kunden gelangen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was Burn-In-Tests aufdecken k\u00f6nnen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e4ufig auftretende Probleme:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>instabile ICs<\/li>\n\n\n\n<li>schwache L\u00f6tstellen<\/li>\n\n\n\n<li>thermische Probleme<\/li>\n\n\n\n<li>intermittierende elektrische St\u00f6rungen<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Oft verwendet in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>medizinische Ger\u00e4te<\/li>\n\n\n\n<li>Telekommunikationsanlagen<\/li>\n\n\n\n<li>industrielle Steuerungen<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Schwingungspr\u00fcfung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vibrationstests simulieren die mechanische Bewegung in der realen Welt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Beispiele:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fahrzeugbewegung<\/li>\n\n\n\n<li>Maschinenvibration<\/li>\n\n\n\n<li>Versandstress<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Zweck:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00dcberpr\u00fcfung der L\u00f6tstellenintegrit\u00e4t<\/li>\n\n\n\n<li>Stabilit\u00e4t des Steckers pr\u00fcfen<\/li>\n\n\n\n<li>Pr\u00fcfung der mechanischen Robustheit<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kritisch f\u00fcr:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automobil<\/li>\n\n\n\n<li>Luft- und Raumfahrt<\/li>\n\n\n\n<li>Transportelektronik<\/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=\"461\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/aoi-1-1.jpg\" alt=\"aoi\" class=\"wp-image-740\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/aoi-1-1.jpg 600w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/aoi-1-1-300x231.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/aoi-1-1-16x12.jpg 16w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Thermoschock-Tests<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thermoschock ist etwas anderes als Temperaturwechsel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anstelle von allm\u00e4hlichen Temperatur\u00e4nderungen:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">die Karte pl\u00f6tzlichen Temperaturschwankungen ausgesetzt ist.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Beispiel:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kaltkammer \u2192 Warmkammer<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Dies f\u00fchrt zu einer st\u00e4rkeren mechanischen Belastung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wird verwendet, um zu enth\u00fcllen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Materialschw\u00e4che<\/li>\n\n\n\n<li>L\u00f6trissbildung<\/li>\n\n\n\n<li>Delaminierungsrisiko<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Luftfeuchtigkeit und Umweltpr\u00fcfungen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Feuchtigkeit kann die Elektronik mit der Zeit besch\u00e4digen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Feuchtigkeitstests bewerten:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Korrosionsbest\u00e4ndigkeit<\/li>\n\n\n\n<li>D\u00e4mmleistung<\/li>\n\n\n\n<li>langfristige Stabilit\u00e4t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Besonders wichtig f\u00fcr:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outdoor-Elektronik<\/li>\n\n\n\n<li>Marinesysteme<\/li>\n\n\n\n<li>industrielle Umgebungen<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zuverl\u00e4ssigkeitspr\u00fcfung vs. Funktionstest<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aspekt<\/th><th>Funktionelle Pr\u00fcfung<\/th><th>Zuverl\u00e4ssigkeitspr\u00fcfung<\/th><\/tr><\/thead><tbody><tr><td>Zweck<\/td><td>Funktionspr\u00fcfung<\/td><td>die langfristige Haltbarkeit \u00fcberpr\u00fcfen<\/td><\/tr><tr><td>Zeitpunkt<\/td><td>vor dem Versand<\/td><td>Qualifikationsrunde<\/td><\/tr><tr><td>Stresslevel<\/td><td>normal<\/td><td>beschleunigte Beanspruchung<\/td><\/tr><tr><td>Schwerpunkt<\/td><td>Funktionalit\u00e4t<\/td><td>Lebensdauer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Verwandtes Thema: <strong>Funktionstests in der PCB-Best\u00fcckung<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wann sind Zuverl\u00e4ssigkeitspr\u00fcfungen erforderlich?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gew\u00f6hnlich empfohlen f\u00fcr:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kfz-Elektronik<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Exposition gegen\u00fcber:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vibration<\/li>\n\n\n\n<li>Temperaturzyklen<\/li>\n\n\n\n<li>raue Umgebungen<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Luft- und Raumfahrtsysteme<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00f6chste Anforderungen an die Zuverl\u00e4ssigkeit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Medizinische Elektronik<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Fehlertoleranz ist \u00e4u\u00dferst gering.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Industrieausr\u00fcstung<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lange Betriebszeiten und raue Einsatzbedingungen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hochpreisige Produkte<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Wenn die Kosten bei Ausf\u00e4llen im Feld erheblich sind.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">So verbessern Sie die Zuverl\u00e4ssigkeit von Leiterplatten<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">Gute Zuverl\u00e4ssigkeit beginnt beim Design.<\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1780323167938\"><strong class=\"schema-how-to-step-name\">1. Geeignete Materialien ausw\u00e4hlen<\/strong> <p class=\"schema-how-to-step-text\">Die Auswahl des Materials ist wichtig.<br\/>Zum Beispiel:<br\/>. hoch-Tg FR4<br\/>. keramische Substrate<br\/>. CTE-arme Materialien<br\/>Verwandt: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/\">FR4 vs. High-Tg FR4: Was ist der Unterschied?<\/a><\/strong><\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1780323228349\"><strong class=\"schema-how-to-step-name\">2. Verbesserung des thermischen Designs<\/strong> <p class=\"schema-how-to-step-text\">Schlechtes W\u00e4rmemanagement beschleunigt den Ausfall.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1780323235959\"><strong class=\"schema-how-to-step-name\">3. Zuverl\u00e4ssigkeit der L\u00f6tverbindungen st\u00e4rken<\/strong> <p class=\"schema-how-to-step-text\">Die richtige Konstruktion des Pads reduziert die Belastung.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1780323249447\"><strong class=\"schema-how-to-step-name\">4. Mechanische Schwachstellen beseitigen<\/strong> <p class=\"schema-how-to-step-text\">Unterst\u00fctzung:<br\/>. Anschl\u00fcsse<br\/>. gro\u00dfe Komponenten<br\/>. schwere Module<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1780323278099\"><strong class=\"schema-how-to-step-name\">5. Design f\u00fcr Herstellbarkeit<\/strong> <p class=\"schema-how-to-step-text\">Eine konsistente Fertigung verbessert die Zuverl\u00e4ssigkeit.<br\/>Verwandt: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/high-speed-pcb-design-for-manufacturing-and-yield\/\">Hochgeschwindigkeits-PCB-Design f\u00fcr Fertigung und Ausbeute<\/a><\/strong><\/p> <\/li><\/ol><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">H\u00e4ufige Fehler bei Zuverl\u00e4ssigkeitspr\u00fcfungen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e4ufige Probleme:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Umweltpr\u00fcfungen auslassen<\/li>\n\n\n\n<li>sich ausschlie\u00dflich auf Tests bei Raumtemperatur zu verlassen<\/li>\n\n\n\n<li>das Vibrationsrisiko ignorieren<\/li>\n\n\n\n<li>keine Validierung der thermischen Erm\u00fcdung<\/li>\n\n\n\n<li>Zuverl\u00e4ssigkeitsplanung in der Endphase<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Zuverl\u00e4ssigkeitsprobleme lassen sich vor Produktionsbeginn kosteng\u00fcnstiger beheben.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Praktische Hinweise aus der realen Produktion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Was oft passiert:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Viele Fehler treten erst nach einer thermischen Belastung auf<\/li>\n\n\n\n<li>W\u00e4hrend des Einbrennens treten h\u00e4ufig sporadische Fehler auf<\/li>\n\n\n\n<li>Vibrationsbedingte Ausf\u00e4lle betreffen in der Regel Steckverbinder oder L\u00f6tstellen<\/li>\n\n\n\n<li>Thermische Zyklen decken h\u00e4ufig schwache Durchkontaktierungen auf<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Platinen, die die Tests am ersten Tag bestehen, halten dem langfristigen Einsatz nicht immer stand.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"http:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/x-ray.jpg\" alt=\"R\u00f6ntgenstrahlen\" class=\"wp-image-720\" style=\"width:600px\" srcset=\"https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/x-ray.jpg 800w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/x-ray-300x200.jpg 300w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/x-ray-768x513.jpg 768w, https:\/\/www.han-sphere.com\/wp-content\/uploads\/2026\/05\/x-ray-18x12.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Schlussfolgerung<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zuverl\u00e4ssigkeitspr\u00fcfungen von Leiterplatten helfen dabei, zu \u00fcberpr\u00fcfen, ob elektronische Bauteile den realen Betriebsbedingungen \u00fcber einen l\u00e4ngeren Zeitraum standhalten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Verfahren wie Temperaturwechselpr\u00fcfungen, Einbrennpr\u00fcfungen und Vibrationstests decken Schwachstellen auf, bevor die Produkte zum Kunden gelangen. In Branchen, in denen hohe Zuverl\u00e4ssigkeit gefragt ist, sind Zuverl\u00e4ssigkeitspr\u00fcfungen oft unerl\u00e4sslich, um Ausf\u00e4lle zu reduzieren und die langfristige Leistungsf\u00e4higkeit zu verbessern.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1780323375088\"><strong class=\"schema-faq-question\">F: Was ist ein PCB-Zuverl\u00e4ssigkeitstest?<\/strong> <p class=\"schema-faq-answer\">A: Sie bewertet die langfristige Leistung von Leiterplatten unter Stressbedingungen.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780323386862\"><strong class=\"schema-faq-question\">F: Was ist eine Temperaturwechselpr\u00fcfung?<\/strong> <p class=\"schema-faq-answer\">A: Ein Test, bei dem die Temperatur wiederholt ge\u00e4ndert wird, um eine langfristige Umweltbelastung zu simulieren.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780323397238\"><strong class=\"schema-faq-question\">F: Warum sind Burn-in-Tests wichtig?<\/strong> <p class=\"schema-faq-answer\">A: Es hilft, schwache Komponenten und fr\u00fchzeitige Ausf\u00e4lle zu erkennen.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780323410015\"><strong class=\"schema-faq-question\">F: F\u00fcr welche Branchen sind PCB-Zuverl\u00e4ssigkeitstests erforderlich?<\/strong> <p class=\"schema-faq-answer\">A: In der Automobil-, Luft- und Raumfahrt-, Medizin-, Industrie- und Telekommunikationsbranche ist dies h\u00e4ufig erforderlich.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780323422438\"><strong class=\"schema-faq-question\">F: K\u00f6nnen Funktionstests Zuverl\u00e4ssigkeitstests ersetzen?<\/strong> <p class=\"schema-faq-answer\">A: Nein. Funktionstests pr\u00fcfen den Betrieb, w\u00e4hrend Zuverl\u00e4ssigkeitstests die Haltbarkeit im Laufe der Zeit \u00fcberpr\u00fcfen.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>PCB-Zuverl\u00e4ssigkeitstests helfen bei der \u00dcberpr\u00fcfung der langfristigen Leistung unter harten Betriebsbedingungen. Methoden wie Temperaturwechsel, Burn-in und Vibrationstests sind in der Automobil-, Industrie-, Luft- und Raumfahrt- und Medizinelektronik weit verbreitet. Dieser Artikel erkl\u00e4rt, wie die Zuverl\u00e4ssigkeitspr\u00fcfung von Leiterplatten funktioniert und warum sie wichtig ist.<\/p>","protected":false},"author":1,"featured_media":660,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[67],"class_list":["post-761","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-pcb-reliability-testing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Reliability Testing: Thermal Cycling, Burn-In, and Vibration Test<\/title>\n<meta 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Test"}]},{"@type":"WebSite","@id":"https:\/\/www.han-sphere.com\/#website","url":"https:\/\/www.han-sphere.com\/","name":"hansphere","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.han-sphere.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"de"},{"@type":"Person","@id":"https:\/\/www.han-sphere.com\/#\/schema\/person\/a8f2356806898d33a9f431801140e422","name":"hansphere01","sameAs":["http:\/\/www.han-sphere.com\/"],"url":"https:\/\/www.han-sphere.com\/de\/author\/hansphere01\/"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323375088","position":1,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323375088","name":"F: Was ist ein PCB-Zuverl\u00e4ssigkeitstest?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: It evaluates long-term PCB performance under stress conditions.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323386862","position":2,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323386862","name":"F: Was ist eine Temperaturwechselpr\u00fcfung?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: A test that repeatedly changes temperature to simulate long-term environmental stress.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323397238","position":3,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323397238","name":"F: Warum sind Burn-in-Tests wichtig?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: It helps identify weak components and early-life failures.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323410015","position":4,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323410015","name":"F: F\u00fcr welche Branchen sind PCB-Zuverl\u00e4ssigkeitstests erforderlich?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Automotive, aerospace, medical, industrial, and telecom industries commonly require it.","inLanguage":"de"},"inLanguage":"de"},{"@type":"Question","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323422438","position":5,"url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#faq-question-1780323422438","name":"F: K\u00f6nnen Funktionstests Zuverl\u00e4ssigkeitstests ersetzen?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: No. Functional testing verifies operation, while reliability testing verifies durability over time.","inLanguage":"de"},"inLanguage":"de"},{"@type":"HowTo","@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#howto-1","name":"PCB-Zuverl\u00e4ssigkeitstests: Thermisches Zyklieren, Burn-In und Vibrationstest","mainEntityOfPage":{"@id":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/"},"description":"Gute Zuverl\u00e4ssigkeit beginnt beim Design.","step":[{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#how-to-step-1780323167938","name":"1. Choose Proper Materials","itemListElement":[{"@type":"HowToDirection","text":"Material selection matters.<br\/>For example:<br\/>. high-Tg FR4<br\/>. ceramic substrates<br\/>. low-CTE materials<br\/>Related: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/fr4-pcb-vs-high-tg-fr4\/\">FR4 vs High-Tg FR4: What\u2019s the Difference<\/a><\/strong>"}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#how-to-step-1780323228349","name":"2. Improve Thermal Design","itemListElement":[{"@type":"HowToDirection","text":"Poor thermal management accelerates failure."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#how-to-step-1780323235959","name":"3. Strengthen Solder Joint Reliability","itemListElement":[{"@type":"HowToDirection","text":"Proper pad design reduces stress."}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#how-to-step-1780323249447","name":"4. Reduce Mechanical Weakness","itemListElement":[{"@type":"HowToDirection","text":"Support:<br\/>. connectors<br\/>. large components<br\/>. heavy modules"}]},{"@type":"HowToStep","url":"https:\/\/www.han-sphere.com\/blog\/news\/pcb-reliability-testing-thermal-cycling-burn-in-vibration\/#how-to-step-1780323278099","name":"5. Design for Manufacturability","itemListElement":[{"@type":"HowToDirection","text":"Consistent manufacturing improves reliability.<br\/>Related: <strong><a href=\"https:\/\/www.han-sphere.com\/blog\/news\/high-speed-pcb-design-for-manufacturing-and-yield\/\">High-Speed PCB Design for Manufacturing &amp; Yield<\/a><\/strong>"}]}],"inLanguage":"de"}]}},"_links":{"self":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/761","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/comments?post=761"}],"version-history":[{"count":2,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/761\/revisions"}],"predecessor-version":[{"id":763,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/posts\/761\/revisions\/763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/media\/660"}],"wp:attachment":[{"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/media?parent=761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/categories?post=761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.han-sphere.com\/de\/wp-json\/wp\/v2\/tags?post=761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}