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MOSFETS </a> </div> </div> <ul class="info_list"> <li class="item relative wow fadeInUp" data-wow-delay="0s" data-wow-duration="1.2s"> <div class="date absolute"> <span class="d">22</span> <span class="ym">2021-09</span> </div> <div class="info absolute"> <div class="title trans text-over"> <a class="trans" href="/faq/news-i01554i1.html">自恢復保險絲會不會“老化”詳解</a> </div> <div class="brief text-line trans"> 自恢復保險絲材料本身不易老化。自恢復保險絲器件的老化現象是由于器件兩端金屬電極與自恢復保險絲材料的緊密結合。自恢復保險絲有嚴格的碾壓工藝控制，保證自恢復保險絲在85攝氏度和85%相對濕度的惡劣環境下，1000小時性能不會退化。 </div> </div> <div class="clear"></div> </li> <li class="item relative wow fadeInUp" data-wow-delay="0.1s" data-wow-duration="1.2s"> <div class="date absolute"> <span class="d">22</span> <span class="ym">2021-09</span> </div> <div class="info absolute"> <div class="title trans text-over"> <a class="trans" href="/faq/news-i01553i1.html">自恢復保險絲是否需要電路中電阻的參數值？</a> </div> <div class="brief text-line trans"> 答：在正常工作條件下，保持保險絲維持電流比正常工作電流大或相等，即保證Vin/(Rpptc+Rload)<=Ihold。而自恢復保險絲在正常工作下的阻值不會影響系統工作，因此客戶根據實際判斷選擇該數值參數的大小。 </div> </div> <div class="clear"></div> </li> <li class="item relative wow fadeInUp" data-wow-delay="0.2s" data-wow-duration="1.2s"> <div class="date absolute"> <span class="d">22</span> <span class="ym">2021-09</span> </div> <div class="info absolute"> <div class="title trans text-over"> <a class="trans" href="/faq/news-i01552i1.html">“脈沖電流”對于自恢復保險絲有影響嗎？</a> </div> <div class="brief text-line trans"> “脈沖電流”不是什么新鮮事。通常我們啟動電視機或冰箱的家用電器時，會產生很大的電流，但這個大電流只存在一瞬間。但是電流很大。他的破壞力也相當強大，經常容易擊穿電阻電容等產品。如果我們使用自恢復保險絲來保護這些脈沖電路，會影響嗎？ </div> </div> <div class="clear"></div> </li> <li class="item relative wow fadeInUp" data-wow-delay="0.3s" data-wow-duration="1.2s"> <div class="date absolute"> <span class="d">17</span> <span class="ym">2021-09</span> </div> <div class="info absolute"> <div class="title trans text-over"> <a class="trans" href="/faq/news-i01551i1.html">詳解PPTC自恢復保險絲“阻值規律”</a> </div> <div class="brief text-line trans"> PTC是英語Positive Temperature Coefficient的字頭縮寫，PTCC自恢復保險絲是用高分子材料添加導電粒子制成的，其基本原理是能量的平衡。當電流流過元件時，產生的熱量部分散發到環境中，部分增加了聚合物材料的溫度。在工作電流下，產生的熱量和散發的熱量達到平衡，電流可以正常通過。當電流過大時，元件產生的大量熱量不能及時散發，導致聚合物材料溫度升高，當溫度達到材料結晶融化溫度時。聚合物材料聚集膨脹，阻斷由導電顆粒組成的導電通路，導致電阻迅速上升，限制大電流通過，從而起到過流保護作用。 </div> </div> <div class="clear"></div> </li> <li class="item relative wow fadeInUp" data-wow-delay="0.4s" data-wow-duration="1.2s"> <div class="date absolute"> <span class="d">17</span> <span class="ym">2021-09</span> </div> <div class="info absolute"> <div class="title trans text-over"> <a class="trans" href="/faq/news-i01550i1.html">分析自恢復保險絲的“啟動保護時間”詳解</a> </div> <div class="brief text-line trans"> 在討論自恢復保險絲的啟動時間時，只能給出一個大致的范圍，除非指定了特定的型號，否則在相應的電流值中可以給出一個相對準確的時間值。插件自恢復保險絲的保護動作反應時間比貼保險絲長。 </div> </div> <div class="clear"></div> </li>  </ul> </div> <div class="wrap"> <div class="blank50"></div> <div id="turn_page"><span><a href='/faq/category-0012/page-4.html' class='page_button'><em 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