Electrical device such as a network protector relay with printed

Details Electrical device such as a network protector relay with printed Electrical device such as a network protector relay with printed

1996-09-16

1998-12-01

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361796, 361803, 361736, 361772, 174 505, 174 521, 174 522, H05K 500

Patent

active

058447814

ABSTRACT:
An electrical device such as a network protector relay is protected from ambient conditions by a housing having a printed circuit board (PCB) providing a seal for the housing and air and water tight connections between relay leads and external leads. The relay leads are soldered in first plated through apertures in the PCB substrate while the external leads are soldered in second plated through apertures connected to corresponding first apertures by conductive traces on the substrate. Potting material confined by a potting dam electrically insulates the solder connections on the external side of the PCB. Components can be mounted on either side of the substrate by soldering the component pins or leads in additinal plated through apertures electrically connected to relay and/or external leads by the conductive traces. Components such as connectors or indicators, including, for example, light emitting diodes, can be supported in the potting dam and connected to appropriate ones of the external leads insulated by the potting material.

REFERENCES:
patent: 3501582 (1970-03-01), Heidler et al.
patent: 4142179 (1979-02-01), Lowndes
patent: 4594644 (1986-06-01), Painter et al.
patent: 5227955 (1993-07-01), Le Bris et al.
patent: 5270903 (1993-12-01), McMichen et al.

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