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上海PPTC自恢复保险丝优质供应商 过流保护元件 PPTC SMD1812P150TF/24 雷卯供

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  • 所属行业:自恢复熔断器
  • 关 键 词:上海PPTC自恢复保险丝优质供应商,过流保护元件,PPTC SMD1812P150TF/24
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  • 最后更新: 2020-02-06 10:04:14
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上海PPTC自恢复保险丝优质供应商 过流保护元件 PPTC SMD1812P150TF/24 雷卯供详细说明

上海PPTC自恢复保险丝优质供应商 过流保护元件 PPTC SMD1812P150TF/24 雷卯供

自恢复保险丝, 简称PPTC。是一种正温度系数聚合物热敏电阻,作过流保护用,可代替电流保险丝。 电路正常工作时它的阻值很小(压降很小),当电路出现过流使它温度升高时,阻值急剧增大几个数量级,使电路中的电流减小到安全值以下,从而使后面的电路得到保护,过流消失后自动恢复为低阻值。 其效果与开关组件类似,只是响应速度较慢。

 PPTC的选用技巧:

1. 确定以下的电路运行参数:

•正常工作电流 - IHOLD

•电路电压比较大值 - VMAX

•比较大中断电流 - IMAX

•工作环境温度

2. 选择合适的封装形式:贴片PTC或者插件PTC

3. 比较的VMAXIMAXPTC数据表中的评级,以确保电路参数不超过这些额定值。

4. 验证PTC的运行环境温度为它的正常工作范围内。确定Ihold和IMAX的温度曲线

 

上海雷卯电子科技有限公司自恢复保险丝PPTC有贴片封装和插件封装,贴片封装有0603,0805,1206,1210, 1812,2018,2920封装系列,部分型号有:

SMD0603P004TF,SMD0603P005TF,SMD0603P010TF,SMD0603P020TF,SMD0603P020TF/16,

SMD0603P025TF,SMD0603P025TF/16,SMD0603P035TF,SMD0603P050TF,SMD0603P050TF/12,

SMD0603P075TF,SMD0603P100TF,SMD0805P010TF,SMD0805P020TF,SMD0805P035TF,

SMD0805P050TF,SMD0805P075TF,SMD0805P100TF,SMD0805P110TF,SMD1206P005TF,

SMD1206P010TF,SMD1206P012TF,SMD1206P016TF,SMD1206P020TF,SMD1206P020TF/30,

SMD1206P025TF,SMD1206P035TF,SMD1206P050TF,SMD1206P050TF/13.2,SMD1206P050TF/8,

SMD1206P075TF,SMD1206P075TF/13.2,SMD1206P100TF,SMD1206P100/16,SMD1206P110TF,

SMD1206P150TF,SMD1206P175TF,SMD1206P200TF,SMD1210P005TF,SMD1210P010TF,

SMD1210P020TF,SMD1210P035TF,SMD1210P050TF,SMD1210P075TF,SMD1210P110TF,

SMD1210P150TF,SMD1812P010TF,SMD1812P014TF,SMD1812P020TF,SMD1812P030TF,

SMD1812P050TF,SMD1812P050TF/30,SMD1812P075TF,SMD1812P075TF/24,

SMD1812P075TF/33,SMD1812P100TF/16,SMD1812P110TF/8,SMD1812P110TF/16,

SMD1812P110TF/24,SMD1812P110TF/33,SMD1812P125TF/16,SMD1812P125TF,

SMD1812P150TF,SMD1812P150TF/12,SMD1812P150TF/24,SMD1812P160TF,

SMD1812P200TF,SMD1812P200TF/16,SMD1812P260TF,SMD1812P260TF/12,

SMD1812P300TF,SMD1812P350TF,SMD2018P030TF,SMD2018P050TF,SMD2018P100TF,

SMD2018P100TF/33,SMD2018P150TF,SMD20180200TF,SMD2920P030TF,SMD2920P050TF,

SMD2920P075TF,SMD2920P075TF/60,SMD2920P100TF,SMD2920P100TF/60,SMD2920P125TF,

SMD2920P150TF,SMD2920P185TF,SMD2920P200TF,SMD2920P200TF/24,SMD2920P250TF,

SMD2920P260TF,SMD2920P300TF,SMD2920P300TF/15,SMD2920P300TF24,

HL06-075,HL06-090,HL06-110,HL06-120,HL06-135,HL06-160,HL06-185,HL06-250,HL16-250,

HL16-300,HL16-400,HL16-500,HL16-600,HL16-700,HL16-800,HL16-900,HL16-1000,HL16-1100,

HL16-1200,HL16-1400,HL30-090,HL30-110,HL30-135,HL30-160,HL30-185,HL30-250,HL30-300,

HL30-400,HL30-500,HL30-600,HL30-700,HL30-800,HL30-900,HL60-010,HL60-017,HL60-020,

HL60-025,HL60-030,HL60-040,HL60-050,HL60-065,HL60-075,HL60-090,HL60-110,HL60-135,

HL60-160,HL60-185,HL60-250,HL60-300,HL60-375,HL250-030,HL250-040,HL250-060,HL250-080,

HL250-090,HL250-110,HL250-120,HL250-145,HL250-180,HL250-200,HL250-400,HL250-600,

HL250-800,HL600-150,HL600-160

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