Electrical devices

Details Electrical devices Electrical devices

1997-07-25

1998-12-22

Hoang, Tu Ba

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338 22SD, 338312, 338314, H01C 710

Patent

active

058523979

ABSTRACT:
A circuit protection device which comprises first and second laminar electrodes; a laminar PTC conductive polymer resistive element sandwiched between the electrodes; a third laminar conductive member which is secured to the same face of the PTC element as the second electrode but is separated therefrom; and an electrical connector which connects the third conductive member and the first electrode. This permits connection to both electrodes from the same side of the device, so that the device can be connected flat on a printed circuit board, with the first electrode on top, without any need for leads. The connector is preferably a cross-conductor which passes through an aperture in the PTC element, because this makes it possible to carry out the steps for preparing the devices on an assembly which corresponds to a number of individual devices, with division of the assembly as the final step.

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