Patent ID: 8842406
Filing Date: 2014-09-23
Classification: H01C

Abstract:
1. An over-current protection device adapted to be associated with a protective circuit module, the over-current protection device comprising: a resistive device comprising a first electrode foil, a second electrode foil and a PTC material layer laminated between the first electrode foil and the second electrode foil; a first insulation layer disposed on a surface of the first electrode foil; an electrode layer disposed on a surface of the first insulation layer; at least one first conductive connecting member penetrating the electrode layer, the first insulation layer and the first electrode foil to electrically connect the electrode layer and the first electrode foil, the first conductive connecting member being insulated from the second electrode foil; an external electrode electrically connected to the first electrode foil or the second electrode foil, the external electrode having a straight shape or a crooked shape or an L-shape; and wherein one of the first electrode foil and the second electrode foil is configured to electrically couple to the protective circuit module, and the other one is configured to electrically couple to an electrode terminal of a battery, the external electrode being configured to electrically couple to the electrode terminal of the battery.