Surface mountable device
First Claim
1. A surface mountable device comprising:
- a current-sensitive element bent as a three-dimensional structure for reducing normal resistance;
a first electrode connected to one surface of said current-sensitive element; and
a second electrode connected to another surface of said current-sensitive element.
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Accused Products
Abstract
The present invention discloses a surface mountable device comprising a current-sensitive element and two electrodes. The current-sensitive element is composed of a PTC conductive composite, comprising at least one polymer and a conductive filler. The feature of the present invention is that the current-sensitive element is a three-dimensional bent structure so that the shape, length and height of the device can be varied according to the space of the circuit board and the resistance of the surface mountable device. Therefore, the mountable surface of the circuit board can be used more efficiently. Moreover, the area of the current-sensitive element of the present invention is larger than that of the conventional surface mountable device. Consequently, the normal resistance of the surface mountable device of the present invention is smaller than that of the conventional surface mountable device and the voltage endurance of the surface mountable device of the present invention is increased.
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Citations
11 Claims
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1. A surface mountable device comprising:
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a current-sensitive element bent as a three-dimensional structure for reducing normal resistance;
a first electrode connected to one surface of said current-sensitive element; and
a second electrode connected to another surface of said current-sensitive element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification