发明授权
- 专利标题： Over-current protection device
- 专利标题（中）： 过电流保护装置
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申请号： US13531979申请日： 2012-06-25
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公开(公告)号： US08536973B2公开(公告)日： 2013-09-17
- 发明人: Kuo Chang Lo , Yao Te Chang , Ya Fang Liang , Yi An Sha , David Shau Chew Wang
- 申请人： Kuo Chang Lo , Yao Te Chang , Ya Fang Liang , Yi An Sha , David Shau Chew Wang
- 申请人地址： TW Hsinchu
- 专利权人： Polytronics Technology Corp.
- 当前专利权人： Polytronics Technology Corp.
- 当前专利权人地址： TW Hsinchu
- 代理机构： Egbert Law Offices, PLLC
- 优先权： TW101103836A 20120207
- 主分类号： H01C7/10
- IPC分类号： H01C7/10
摘要：
An over-current protection device includes two metal foils and a PTC material layer. The PTC material layer is laminated between the two metal foils and has a resistivity less than 0.4 Ω-cm. The PTC material layer includes crystalline polymer and electrically conductive ceramic filler dispersed in the crystalline polymer. The conductive ceramic filler is of HCP structure and includes 70-95% by weight of the PTC material layer. The trip jump value of the over-current protection device after 300 times trip is less than or equal to 25. The resistance repeatability of the device can be effectively improved by adding the conductive ceramic filler.
公开/授权文献
- US20130200988A1 OVER-CURRENT PROTECTION DEVICE 公开/授权日：2013-08-08
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