Connection structure of circuit protection element

Details Connection structure of circuit protection element Connection structure of circuit protection element

1999-06-02

2000-07-11

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361765, 361779, 337402, 337403, 337405, 174260, 174261, 174262, H05K 0702

Patent

active

060882344

ABSTRACT:
The connection structure of a circuit protection element for securely connecting at least two lead terminals of the circuit protection element to a circuit board includes terminal connection elongated holes each provided in the circuit board for connecting the lead terminals to the circuit board by soldering. The circuit board is positioned in such a way that the elongated direction of the elongated terminal connection hole is positioned in a downward direction. When an abnormal current is applied to the circuit, or when the circuit protection element fails to heat itself up to a high temperature, the solder melts. Thereby, the lead terminals easily disengage from the terminal connection holes so that the circuit protection element falls freely from the circuit board. Thus, the circuit is surely cut off easily.

REFERENCES:
patent: 3710196 (1973-01-01), Fifield
patent: 3868770 (1975-03-01), Davis et al.
patent: 4761881 (1988-08-01), Bora et al.
patent: 5280262 (1994-01-01), Fischer
patent: 5484963 (1996-01-01), Washino
patent: 5600295 (1997-02-01), Kaufmann
patent: 5668702 (1997-09-01), Nassimi

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