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Patent Searching and Data


Title:
POSITIVE TEMPERATURE COEFFICIENT THERMISTOR DEVICE
Document Type and Number:
Japanese Patent JPH06151107
Kind Code:
A
Abstract:

PURPOSE: To provide a trouble-free positive temperature coefficient thermistor device by taking a steady safety measure in it.

CONSTITUTION: In a positive temperature coefficient thermistor device 1 comprising a positive temperature coefficient thermistor element 2 having electrodes formed on the opposed surfaces thereof, and a pair of power supply terminals 3 which pinches and holds the positive temperature coefficient thermistor element 2 by elastically pressing the respective electrodes, at least one of the power supply terminals 3 is made using a shape-memory alloy, and it is returned to a memory shape which cannot press the electrode when heated to a predetermined temperature which is preset.


Inventors:
NAKAZAWA TOKUO
Application Number:
JP29979092A
Publication Date:
May 31, 1994
Filing Date:
November 10, 1992
Export Citation:
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Assignee:
MURATA MANUFACTURING CO
International Classes:
H01C1/14; H01C7/02; (IPC1-7): H01C7/02; H01C1/14
Attorney, Agent or Firm:
岡田 和秀