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    • 13. 发明授权
    • Surface mountable over-current protection device
    • 表面贴装过流保护装置
    • US08933775B2
    • 2015-01-13
    • US13910880
    • 2013-06-05
    • Polytronics Technology Corp.
    • David Shau Chew WangFu Hua ChuChun Teng Tseng
    • H01C7/10H01C7/13H01C7/02H01C1/08H01C1/14H01C17/065
    • H01C7/021H01C1/08H01C1/1406H01C7/027H01C17/0652H01C17/06526H01C17/06566
    • A surface-mountable over-current protection device comprises one PTC material layer, first and second connecting conductors, first and second electrodes and an insulating layer. The PTC material layer has a resistivity less than 0.2 Ω-cm, and comprises crystalline polymer and conductive filler dispersed therein. The first and second connecting conductors are capable of effectively dissipating heat generated from the PTC material layer. The first and second electrodes are electrically connected to first and second surfaces of the PTC material layer through the first and second connecting conductors, respectively. The dissipation factor depending on the ratio of the total area of the electrodes and the conductors to the area of the PTC material layer is greater than 0.6. At 25° C., the value of the hold current of the device divided by the product of the area of the PTC material layer and the number of the PTC material layer is greater than 1A/mm2.
    • 表面安装式过流保护装置包括一个PTC材料层,第一和第二连接导体,第一和第二电极以及绝缘层。 PTC材料层的电阻率小于0.2Ω·cm·cm,并且包含分散在其中的结晶聚合物和导电填料。 第一和第二连接导体能够有效地散发由PTC材料层产生的热量。 第一和第二电极分别通过第一和第二连接导体电连接到PTC材料层的第一和第二表面。 取决于电极和导体的总面积与PTC材料层的面积的比率的耗散因数大于0.6。 在25℃时,器件的保持电流值除以PTC材料层的面积与PTC材料层的数量的乘积大于1A / mm2。
    • 14. 发明申请
    • PTC Device
    • PTC设备
    • US20140293495A1
    • 2014-10-02
    • US14115080
    • 2012-05-01
    • Hiroyuki Koyama
    • Hiroyuki Koyama
    • H02H3/08
    • H01C7/02H01C1/14H01C1/1406H01C1/142H01C17/281H01M2200/106H02H3/085
    • The present invention relates to a new PTC device having a configuration with which protrusion of solder paste and/or an excess portion of epoxy resin do not adversely affect a jig. Such PTC device 30 includes a PTC member 32 and leads 34 and 36 electrically connected to both sides of the PTC member. The PTC member includes a PTC element 38 and metal electrodes 40 and 42 placed on both sides of the PTC element respectively, and each lead is electrically connected to the metal electrode via an electrically conductive connection portion 50. At least one of the leads 36 has a concave portion which is defined with a bottom portion 44 located adjacently to the metal electrode of the PTC member and a wall portion 46 surrounding the electrically conductive connection portion which connects the leads to the metal electrode.
    • 本发明涉及一种新的PTC器件,其具有焊膏的突起和/或环氧树脂的过量部分不会对夹具产生不利影响的构造。 这种PTC装置30包括PTC构件32和与PTC构件的两侧电连接的引线34和36。 PTC构件包括分别放置在PTC元件两侧的PTC元件38和金属电极40和42,并且每个引线经由导电连接部分50电连接到金属电极。引线36中的至少一个具有 限定有与PTC构件的金属电极相邻的底部44的凹部,以及围绕将导线连接到金属电极的导电连接部的壁部46。
    • 15. 发明申请
    • SURFACE MOUNTABLE OVER-CURRENT PROTECTION DEVICE
    • 表面安装的过流保护装置
    • US20140118871A1
    • 2014-05-01
    • US13901100
    • 2013-05-23
    • Chun Teng TSENGDavid Shau Chew WangChi Jen Su
    • Chun Teng TSENGDavid Shau Chew WangChi Jen Su
    • H02H9/02
    • H01C17/00H01C1/1406H01C1/146H01C7/021H01C7/022H01C7/027H01C17/0652H01C17/06526H01C17/06586
    • A surface mountable over-current protection device having upper and lower surfaces comprises a PTC device, first and second electrodes, and first and second circuits. The PTC device comprises a PTC material layer and first and second conductive layers. The PTC material layer is disposed between the conductive layers and comprises crystalline polymer and conductive filler dispersed therein. The first electrode comprises a pair of first metal foils, whereas the second electrode comprises a pair of second metal foils. The first circuit connects the first electrode and conductive layer, and has a first planar line extending horizontally. The second circuit connects the second electrode and conductive layer, and has a second planar line extending horizontally. At least one of the planar lines has a thermal resistance sufficient to mitigate heat dissipation by which the over-current protection device undergoes a test at 25° C. and 8 amperes can trip within 60 seconds.
    • 具有上表面和下表面的可表面安装的过流保护装置包括PTC装置,第一和第二电极以及第一和第二电路。 PTC器件包括PTC材料层和第一和第二导电层。 PTC材料层设置在导电层之间并且包含分散在其中的结晶聚合物和导电填料。 第一电极包括一对第一金属箔,而第二电极包括一对第二金属箔。 第一电路连接第一电极和导电层,并且具有水平延伸的第一平面线。 第二电路连接第二电极和导电层,并且具有水平延伸的第二平面线。 平面线中的至少一个具有足以减轻过热保护装置在25℃下经受测试的散热的热阻,并且8安培可以在60秒内跳闸。
    • 16. 发明申请
    • SURFACE MOUNTABLE OVER-CURRENT PROTECTION DEVICE
    • 表面安装的过流保护装置
    • US20140091896A1
    • 2014-04-03
    • US13910880
    • 2013-06-05
    • POLYTRONICS TECHNOLOGY CORP.
    • DAVID SHAU CHEW WANGFU HUA CHUCHUN TENG TSENG
    • H01C7/02
    • H01C7/021H01C1/08H01C1/1406H01C7/027H01C17/0652H01C17/06526H01C17/06566
    • A surface-mountable over-current protection device comprises one PTC material layer, first and second connecting conductors, first and second electrodes and an insulating layer. The PTC material layer has a resistivity less than 0.2 Ω-cm, and comprises crystalline polymer and conductive filler dispersed therein. The first and second connecting conductors are capable of effectively dissipating heat generated from the PTC material layer. The first and second electrodes are electrically connected to first and second surfaces of the PTC material layer through the first and second connecting conductors, respectively. The dissipation factor depending on the ratio of the total area of the electrodes and the conductors to the area of the PTC material layer is greater than 0.6. At 25° C., the value of the hold current of the device divided by the product of the area of the PTC material layer and the number of the PTC material layer is greater than 1A/mm2.
    • 表面安装式过流保护装置包括一个PTC材料层,第一和第二连接导体,第一和第二电极以及绝缘层。 PTC材料层的电阻率小于0.2Ω·cm·cm,并且包含分散在其中的结晶聚合物和导电填料。 第一和第二连接导体能够有效地散发由PTC材料层产生的热量。 第一和第二电极分别通过第一和第二连接导体电连接到PTC材料层的第一和第二表面。 取决于电极和导体的总面积与PTC材料层的面积的比率的耗散因数大于0.6。 在25℃时,器件的保持电流值除以PTC材料层的面积与PTC材料层的数量的乘积大于1A / mm2。
    • 20. 发明申请
    • OVER-CURRENT AND OVER-TEMPERATURE PROTECTION DEVICE
    • 过流保护和过温保护装置
    • US20130021704A1
    • 2013-01-24
    • US13186736
    • 2011-07-20
    • Chun Teng TSENGDavid Shau Chew Wang
    • Chun Teng TSENGDavid Shau Chew Wang
    • H02H5/04
    • G01K7/22G01K3/005H01C1/1406H01C7/008H01C7/021H01C7/13H02H3/085
    • An over-current and over-temperature protection device includes a first conductive member, a second conductive member, a resistive device, at least one current input electrode and at least two current output electrodes. The first conductive member has a current input portion and a first insulative portion restricting current to only input through the current input portion, and the second conductive member has two or more current output portions and a second insulative portion restricting current to only output through the current output portions, in which the current output portions are electrically isolated by the second insulative portion. The resistive device is laminated between the first conductive member and the second conductive member. The current input electrode is electrically connected to the current input portion, and current output electrodes are electrically connected to the current output portions individually.
    • 过电流和过温保护装置包括第一导电构件,第二导电构件,电阻装置,至少一个电流输入电极和至少两个电流输出电极。 第一导电构件具有电流输入部分和限制电流仅仅通过电流输入部分输入的第一绝缘部分,并且第二导电构件具有两个或更多个电流输出部分和第二绝缘部分限制电流以仅通过电流输出 输出部分,其中电流输出部分由第二绝缘部分电隔离。 电阻器件层叠在第一导电构件和第二导电构件之间。 电流输入电极电连接到电流输入部分,电流输出电极分别与电流输出部分电连接。