Patent ID: 6690258
Filing Date: 2004-02-10
Classification: H01C,H05K,Y02P

Abstract:
A surface-mount positive coefficient thermistor comprising:a plate-like positive coefficient thermistor element; a pair of electrodes provided on two main surfaces of the positive coefficient thermistor element, each of the pair of electrodes including at least two layers; a pair of metal terminals each having a cutout at one end region thereof connected to a corresponding one of the pair of electrodes, the pair of metal terminals being made of a metal having a low thermal conductivity, the end region of each of the pair of metal terminals being connected to an outermost layer of the at least two layers of a corresponding one of the pair of electrodes, the outermost layer of the pair electrodes being exposed at the cutout; and solder connecting the end region of a corresponding one of the pair of metal terminals to the outermost layer of a corresponding one of the pair of electrodes; wherein the cutout in at least one of the pair of metal terminals is aligned with the approximate center of the plate-like positive coefficient thermistor element; and the solder overflows the cutout onto an outer surface of the pair of metal terminals.