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上海雷卯電子科技有限公司

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PPTC自恢復(fù)保險絲 PPTC自恢復(fù)保險絲廠家直銷 雷卯供

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  • 品　　牌：
  • LEIDITECH
  • 主要規(guī)格：
  • 齊全
  • 用　　途：
    • PPTC自恢復(fù)保險絲 PPTC自恢復(fù)保險絲廠家直銷 雷卯供 自恢復(fù)保險絲, 簡稱PPTC。是一種正溫度系數(shù)聚合物熱敏電阻，作過流保護用，可代替電流保險絲。電路正常工作時它的阻值很小（壓降很小），當(dāng)電路出現(xiàn)過流使它溫度升高時，阻值急劇增大幾個數(shù)量級，使電路中的電流減小到安全值以下，從而使后面的電路得到保護，過流消失后自動恢復(fù)為低阻值。其效果與開關(guān)組件類似，只是響應(yīng)速度較慢。 PPTC的選用技巧: 1.確定以下的電路運行參數(shù)： 正常工作電流 - IHOLD 電路電壓相當(dāng)大值 - VMAX 相當(dāng)大中斷電流 - IMAX 工作環(huán)境溫度 2. 選擇合適的封裝形式：貼片PTC或者插件PTC。 3. 比較的VMAX和IMAX的PTC數(shù)據(jù)表中的評級，以確保電路參數(shù)不超過這些額定值。 4. 驗證PTC的運行環(huán)境溫度為它的正常工作范圍內(nèi)。確定Ihold和IMAX的溫度曲線。 上海雷卯電子科技有限公司，品牌LEIDITECH， 過壓過流保護元件專業(yè)供應(yīng)商，PPTC貼片封裝SMD0603系列，SMD0805系列，SMD1206系列，SMD1210系列，SMD1812系列，SMD2018系列，SMD2920系列，插件封裝有HL06系列，HL16系列，HL30系列，HL60系列，HL250系列，HL600系列。 PPTC可供應(yīng)型號，請登錄雷卯官網(wǎng)具體查詢。 SMD0603P004TF SMD0603P005TF SMD0603P010TF SMD0603P020TF SMD0603P020TF/16 SMD0603P025TF SMD0603P025TF/16 SMD0603P035TF SMD0603P050TF SMD0603P050TF/12 SMD0603P075TF SMD0603P100TF TSML100 TSML200 SMD0805P010TF SMD0805P020TF SMD0805P035TF SMD0805P050TF SMD0805P075TF SMD0805P100TF SMD0805P110TF ISML110 ISML200 PSMD100 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 MSM150/6 MSM150/16 SM150/33 MSM014 SMD1812-010 SMD1812-014 SMD1812-020 SMD1812-030 SMD1812-050 SMD1812-075 SMD1812-110 SMD1812-110/16 SMD1812-125 SMD1812-150 SMD1812-150/24 SMD1812-160 SMD1812-200 SMD1812-200-12V SMD1812-200-24V SMD1812-250 SMD1812-260 SMD1812-260/12V SMD1812-260/24V SMD1812-300/16V SMD1812-350 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 HL90-250 HL75-250F HP75-160F HL90-185

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