PTC electrical devices for installation on printed circuit boards
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United States of America Patent
Stats
-
Sep 18, 2001
Issued Date -
N/A
app pub date -
Jul 6, 1999
filing date -
May 16, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Laminar electrical devices, in particular circuit protection devices, contain two laminar electrodes, with a PTC element between them, and a cross-conductor which passes through the thickness of the device and contacts one only of the two electrodes. This permits connection to both electrodes from the same side of the device. The device also includes layers of solder on the areas of the device through which connection is made, and separation and/or masking members which (a) reduce the danger of short circuits formed by solder flow during installation of the device and/or (b) provide a site for permanent marking of the device.
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