概要
PPTC由高分子有机聚合物搀加导电的碳黑粒子组成。PPTC正常温度下为低阻抗，当有过电流通过或环境温度高于动作温度时，其内部导电链断开，阻抗迅速上升，呈高阻抗状态；当过电流消失或温度降低后，导电链再度结合，恢复为低阻抗。应用时表现为通过高阻限流作用，对破坏性的电流过载冲击进行抑制。
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产品特点:
SMD结构适合高密度安装l
动作时间短l
良好的焊接性能
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应用:
USB、HDMI、IEEE1394接口保护l
锂电池、电池组及可充电电池保护l
液晶电视、电脑、机顶盒等消费类电子设备l
通讯、安防及工控行业
1. 保持电流（Ih）：25℃静止空气环境中不触发电阻突越的电流。
2. 触发电流（It）：25℃静止空气环境中PTC聚合物自复保险丝从低阻转为高阻抗的电流。
3. 电压（Vmax）：PTC聚合物自复保险丝的工作电压。
4. 电流（Imax）：PTC聚合物自复保险丝能承受的电流。
5. 动作功率（Pdtyp.）：25℃环境温度时PTC聚合物自复保险丝动作状态下的消耗功率。
6. 动作时间（Ttrip）：5倍保持电流下动作时间。
SMD0805P010TF SMD0805P020TF SMD0805P035TF SMD0805P050TF
SMD0805P075TF SMD0805P100TF SMD1206P012TF SMD1206P016TF
SMD1206P020TF/24 SMD1206P025TF SMD1206P035TF/16 SMD1206P050TF
SMD1206P050TF/15 SMD1206P075TF SMD1206P075TF/13.2 SMD1206P100TF
SMD1206P110TF SMD1206P150TF SMD1026P200TF SMD1210P005TF
SMD1210P010TF SMD1210P020TF SMD1210P035TF SMD1210P050TF
SMD1210P075TF SMD1210P110TF SMD1210P150TF SMD1812P010TF
SMD1812P014TF SMD1812P020TF SMD1812P050TF SMD1812P075TF
SMD1812P075TF/24 SMD1812P075TF/33 SMD1812P110TF SMD1812P110TF/16
SMD1812P110TF/24 SMD1812P110TF/33 SMD1812P125TF/16 SMD1812P125TF/6,4L
SMD1812P150TF/8 SMD1812P150TF/12 SMD1812P150TF/24 SMD1812P160TF/8(4L)
SMD1812P200TF SMD1812P260TF SMD1812P300TF SMD2016P030TF
SMD2016P050TF SMD2016P100TF SMD2016P100TF/33 SMD2016P150TF
SMD2016P200TF SMD2920P030TF SMD2920P050TF SMD2920P075TF
SMD2920P100TF SMD2920P125TF SMD2920P150TF SMD2920P185TF
SMD2920P200TF SMD2920P200TF/24 SMD2920P250TF SMD2920P260TF
SMD2920P300TF SMD2920P300TF/15
询价
