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供应台湾聚鼎自恢复保险丝PTTC
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| 型号︰ | WEF |
| 品牌︰ | 聚鼎 |
| 原产地︰ | 台湾 中国 |
| 单价︰ | CNY ¥ 1 / 件 |
| 最少订量︰ | 1000 件 |
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自恢复保险丝原理
自恢复保险丝(以下简称保险丝)由聚合物树脂基体及分布在里面的导电粒子组成，在正常情况下，导电粒子在树脂基体中构成链状导电通路，保险丝表现为低阻抗（a）。电路中有过电流发生时，流经保险丝的大电流产生的热量使聚合物树脂基体体积膨胀，切断了导电粒子形成的链状导电通路，导致保险丝的阻抗迅速升高，从而起到对电路的过流保护作用（b）。故障排除后，树脂重新冷却结晶，体积收缩，导电粒子重新形成导电通路，保险丝恢复为低阻抗。
SMD0805P010TF SMD0805P020TF SMD0805P035TF SMD0805P050TF SMD0805P075TF SMD0805P100TF SMD1206P012TF SMD1206P016TF SMD1206P020TF/24 SMD1206P025TF SMD1206P035TF/16 SMD1206P050TF SMD1206P050TF/15 SMD1206P075TF SMD1206P100TF SMD1206P110TF SMD1206P150TF SMD1026P200TF SMD1210P005TF SMD1210P010TF SMD1210P020TF SMD1210P035TF SMD1210P050TF SMD1210P075TF SMD1210P110TF SMD1210P150TF SMD1812P010TF SMD1812P014TF SMD1812P020TF SMD1812P050TF SMD1812P075TF SMD1812P110TF
深圳市威尔富科技电子有限公司www.welfuse.com是一家专业保险丝及世界 电子元件的代理商。公司积 力于为客户提供品质优良的过流过压保护元器件，使电路免受破坏 ，提供高质量的电路保护解决方案是我们为客户服务的宗旨。 |
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产品图片
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