Thermal overlaod fuse of surface mount compatible construction

Details Thermal overlaod fuse of surface mount compatible construction Thermal overlaod fuse of surface mount compatible construction

1993-03-19

1994-01-18

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337402, 337407, H01H 3776

Patent

active

052802620

ABSTRACT:
A thermal overload fuse (1) for fixation to a circuit substrate (17) comprising at least one spring arm (13) which is solderable, under fixed pre-stressed, to a contact location on the substrate, characterized in that the spring arm (13), which is fixed to an at least substantially planar frame part (2), adopts, in its relaxed state, a position which is spaced in a perpendicular direction relative to the substrate (17), in particular relative to the contact location (16); and in that the free end of the spring arm (13) is held down by at least one auxiliary web (7) onto the substrate (17), in particular onto the contact location (16); and in that the auxiliary web (7) is detachable from the frame part (2) along a predetermined line.

REFERENCES:
patent: 2704797 (1955-03-01), Pettweis
patent: 2790049 (1957-04-01), McAlister
patent: 4433231 (1984-02-01), Balchunas

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