<u id="x2up5"><wbr id="x2up5"></wbr></u>
<dd id="x2up5"></dd>
    <xmp id="x2up5"><b id="x2up5"></b></xmp>
    <listing id="x2up5"><tt id="x2up5"></tt></listing><nobr id="x2up5"><code id="x2up5"></code></nobr><xmp id="x2up5"></xmp>
  1. <xmp id="x2up5"></xmp>
    <dd id="x2up5"></dd>
    <dfn id="x2up5"></dfn>
    1. <div id="x2up5"></div>
      <b id="x2up5"></b>
    2. <nobr id="x2up5"></nobr>

      <tt id="x2up5"><ruby id="x2up5"></ruby></tt>
      <dd id="x2up5"><cite id="x2up5"><ruby id="x2up5"></ruby></cite></dd>
    3. 贴片保险丝PTC技术支持

      万和”自恢复保险丝(贴片式)SMD技术支持

      WHSMD Technical Support

      符号定义 Definition

      符号Sign 说明 Definition
      Vmax WHSMD在阻断状态下所承受的最大电压 Maximum voltage device can withstand without damage at it rated current
      Imax WHSMD能承受的最大电流 Maximum fault current device can withstand without damage at rated voltage
      Ih WHSMD在25℃静止空气的的最大工作电流 Hold current-maximum current at which the device will not trip at 25℃ still air
      It WHSMD在25℃静止空气中启动保护的最小电流 Trip current-minimum current at which the device will always trip at still air
      Pd WHSMD在25℃静止空气中动作时消耗的功率 Power dissipation when device is in the tripped state at 25℃ still air environment at rated voltage
      Rmin WHSMD在工作前的初始最小阻值 Minimum device resistance at 25℃ prior to tripping
      R1max WHSMD回流焊后在25℃静止空气中冷却1小时后的最大电阻值 Maximum resistance of device at 25℃ measured one hour post reflow

      测试项目 Test

      测试项目 测试方法条件 电阻变化
      Test Conditions Resistance change
      高温老化 85℃,1000小时 典型±10%
      Passive aging +85℃,1000hrs ±10% typical
      湿热老化 85℃,相对湿度85%,168小时 典型±10%
      Humidity aging +85℃,85%R.H.,168hrs ±10% typical
      热冲击 -40℃到85℃,20次 典型±33%
      Thermal shock +85℃ to -40℃,20 times ±33% typical
      耐溶剂性能 MIL-STD-202,方法215 无变化
      Resistance to solvent MIL-STD-202,Method 215 No change
      抗震性 MIL-STD-202,方法201 无变化
      Vibration MIL-STD-202,Method 201 No change
      工作温度范围:-40℃~+85℃
      Ambient operating conditions: -40℃ to +85℃
      产品保护状态下表面最高温度为125℃
      Maximum surface temperature of the device in the tripped state is 125℃
      EIA标准载带尺寸图和标准载盆样图

      载盘参数 Tape and Reel Specifications (mm)

      WHSMD 2920Series 1812Series 1210Series 1206Series 0805Series
      Sign EIA 481-1
      W 16.0±0.3 12.0±0.3 8.0±0.2 8.15±0.2 8.0±0.2
      P0 4.0±0.10 4.0±0.10 4.0±0.10 4.0±0.10 4.0±0.10
      P1 8.0±0.10 8.0±0.10 4.0±0.10 4.0±0.10 4.0±0.10
      P2 2.0±0.05 2.0±0.05 2.0±0.05 2.0±0.05 2.0±0.05
      A0 5.74±0.10 3.55±0.10 2.82±0.10 1.95±0.10 1.45±0.10
      B0 8.02±0.10 5.10±0.15 3.46±0.10 3.45±0.10 2.30±0.10
      D0 1.55±0.05 1.55±0.05 1.55±0.05 1.55±0.05 1.60±0.05
      F 7.5±0.10 5.5±0.05 3.5±0.05 3.5±0.05 3.5±0.05
      E1 1.75±0.10 1.75±0.10 1.75±0.10 1.75±0.10 1.75±0.10
      T 0.22±0.05 0.22±0.05 0.22±0.05 0.22±0.05 0.22±0.05
      K0 0.87±0.10 0.87±0.10 0.87±0.10 0.87±0.10 0.91±0.10
      1.02±0.10 1.04±0.10 1.02±0.10 1.02±0.10 1.30±0.10
      1.50±0.10 1.50±0.10 1.50±0.10 1.50±0.10  
      Amax 178 178 178 178 178
      Nmin 50 50 50 50 50
      W2 16.5±1.0 13.4±1.0 9.0±0.5 9.0±0.5 9.0±0.5
      W1max 22.4 19.4 13.1 13.1 13.1

      包装数量 Packing

      2920
      Series
      Pcs/Reel 1812
      Series
      Pcs/Reel 1210
      Series
      Pcs/Reel 1206
      Series
      Pcs/Reel 0805
      Series
      Pcs/Reel
      2920-030 2000 1812-010 2000 1210-005 4500 1206-005 5000 0805-005 5000
      2920-050 2000 1812-014 2000 1210-010 4500 1206-010 5000 0805-010 5000
      2920-075 2000 1812-020 2000 1210-020 4500 1206-020 5000 0805-020 5000
      2920-100 2000 1812-030 2000 1210-035 4500 1206-025 5000 0805-025 5000
      2920-125 2000 1812-050 2000 1210-050 4500 1206-035 5000 0805-035 5000
      2920-150 2000 1812-075 2000 1210-075 4500 1206-050 5000 0805-050 5000
      2920-185 2000 1812-110 2000 1210-110 4500 1206-075 5000 0805-075 3000
      2920-200 2000 1812-125 2000 1210-150 3500 1206-100 3500 0805-100 3000
      2920-250 2000 1812-150 2000 1210-200 3000 1206-110 3500 0805-110 3000
      2920-260 2000 1812-160 2000 1210-260 3000 1206-150 3000 - -
      2920-300 2000 1812-200 2000 - - 1206-200 3000 - -
      - - 1812-260 2000 - - 1206-260 3000 - -
      - - 1812-300 1500 - - - - - -

      SMD2920  SMD1812  SMD1210  SMD1206  SMD0805

      返回顶部 回到主页
       
      • 服务与支持
      • 应用方案
      • 生产工艺
      • 贴片保险丝PTC技术支持

      • 文章出处 - 万瑞和电子 | 作者 - 管理员 | 人气 - | 发表时间 - 2013-09-26 09:20:43
      • 万和”自恢复保险丝(贴片式)SMD技术支持

        WHSMD Technical Support

        符号定义 Definition

        符号Sign 说明 Definition
        Vmax WHSMD在阻断状态下所承受的最大电压 Maximum voltage device can withstand without damage at it rated current
        Imax WHSMD能承受的最大电流 Maximum fault current device can withstand without damage at rated voltage
        Ih WHSMD在25℃静止空气的的最大工作电流 Hold current-maximum current at which the device will not trip at 25℃ still air
        It WHSMD在25℃静止空气中启动保护的最小电流 Trip current-minimum current at which the device will always trip at still air
        Pd WHSMD在25℃静止空气中动作时消耗的功率 Power dissipation when device is in the tripped state at 25℃ still air environment at rated voltage
        Rmin WHSMD在工作前的初始最小阻值 Minimum device resistance at 25℃ prior to tripping
        R1max WHSMD回流焊后在25℃静止空气中冷却1小时后的最大电阻值 Maximum resistance of device at 25℃ measured one hour post reflow

        测试项目 Test

        测试项目 测试方法条件 电阻变化
        Test Conditions Resistance change
        高温老化 85℃,1000小时 典型±10%
        Passive aging +85℃,1000hrs ±10% typical
        湿热老化 85℃,相对湿度85%,168小时 典型±10%
        Humidity aging +85℃,85%R.H.,168hrs ±10% typical
        热冲击 -40℃到85℃,20次 典型±33%
        Thermal shock +85℃ to -40℃,20 times ±33% typical
        耐溶剂性能 MIL-STD-202,方法215 无变化
        Resistance to solvent MIL-STD-202,Method 215 No change
        抗震性 MIL-STD-202,方法201 无变化
        Vibration MIL-STD-202,Method 201 No change
        工作温度范围:-40℃~+85℃
        Ambient operating conditions: -40℃ to +85℃
        产品保护状态下表面最高温度为125℃
        Maximum surface temperature of the device in the tripped state is 125℃
        EIA标准载带尺寸图和标准载盆样图

        载盘参数 Tape and Reel Specifications (mm)

        WHSMD 2920Series 1812Series 1210Series 1206Series 0805Series
        Sign EIA 481-1
        W 16.0±0.3 12.0±0.3 8.0±0.2 8.15±0.2 8.0±0.2
        P0 4.0±0.10 4.0±0.10 4.0±0.10 4.0±0.10 4.0±0.10
        P1 8.0±0.10 8.0±0.10 4.0±0.10 4.0±0.10 4.0±0.10
        P2 2.0±0.05 2.0±0.05 2.0±0.05 2.0±0.05 2.0±0.05
        A0 5.74±0.10 3.55±0.10 2.82±0.10 1.95±0.10 1.45±0.10
        B0 8.02±0.10 5.10±0.15 3.46±0.10 3.45±0.10 2.30±0.10
        D0 1.55±0.05 1.55±0.05 1.55±0.05 1.55±0.05 1.60±0.05
        F 7.5±0.10 5.5±0.05 3.5±0.05 3.5±0.05 3.5±0.05
        E1 1.75±0.10 1.75±0.10 1.75±0.10 1.75±0.10 1.75±0.10
        T 0.22±0.05 0.22±0.05 0.22±0.05 0.22±0.05 0.22±0.05
        K0 0.87±0.10 0.87±0.10 0.87±0.10 0.87±0.10 0.91±0.10
        1.02±0.10 1.04±0.10 1.02±0.10 1.02±0.10 1.30±0.10
        1.50±0.10 1.50±0.10 1.50±0.10 1.50±0.10  
        Amax 178 178 178 178 178
        Nmin 50 50 50 50 50
        W2 16.5±1.0 13.4±1.0 9.0±0.5 9.0±0.5 9.0±0.5
        W1max 22.4 19.4 13.1 13.1 13.1

        包装数量 Packing

        2920
        Series
        Pcs/Reel 1812
        Series
        Pcs/Reel 1210
        Series
        Pcs/Reel 1206
        Series
        Pcs/Reel 0805
        Series
        Pcs/Reel
        2920-030 2000 1812-010 2000 1210-005 4500 1206-005 5000 0805-005 5000
        2920-050 2000 1812-014 2000 1210-010 4500 1206-010 5000 0805-010 5000
        2920-075 2000 1812-020 2000 1210-020 4500 1206-020 5000 0805-020 5000
        2920-100 2000 1812-030 2000 1210-035 4500 1206-025 5000 0805-025 5000
        2920-125 2000 1812-050 2000 1210-050 4500 1206-035 5000 0805-035 5000
        2920-150 2000 1812-075 2000 1210-075 4500 1206-050 5000 0805-050 5000
        2920-185 2000 1812-110 2000 1210-110 4500 1206-075 5000 0805-075 3000
        2920-200 2000 1812-125 2000 1210-150 3500 1206-100 3500 0805-100 3000
        2920-250 2000 1812-150 2000 1210-200 3000 1206-110 3500 0805-110 3000
        2920-260 2000 1812-160 2000 1210-260 3000 1206-150 3000 - -
        2920-300 2000 1812-200 2000 - - 1206-200 3000 - -
        - - 1812-260 2000 - - 1206-260 3000 - -
        - - 1812-300 1500 - - - - - -
      恒丰娱乐 碌曲县| 双桥区| 乌兰县| 临汾市| 环江| 河西区| 通化县| 根河市| 桂林市| 山东省| 诏安县| 陇西县| 海林市| 古交市| 南皮县| 吴旗县| 平凉市| 桐乡市| 福海县| 台东县| 台州市| 东光县| 封开县| 中阳县| 若尔盖县| 辽宁省| 西青区| 漯河市| 南溪县| 祁门县| 满洲里市| 呈贡县| 宽甸| 磐石市| 平定县| 读书| 婺源县| 闻喜县| 麟游县| 双流县| 定陶县| http://444 http://444 http://444 http://444 http://444 http://444