Surface-mount positive temperature coefficient thermistor...

Details Surface-mount positive temperature coefficient thermistor... Surface-mount positive temperature coefficient thermistor...

2006-09-19

2006-09-19

Hoang, Tu (Department: 2832)

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

C338S0220SD, C338S232000

Reexamination Certificate

active

07109841

ABSTRACT:
A surface-mount positive temperature coefficient thermistor includes a disk-shaped positive temperature coefficient thermistor element having electrodes provided on opposing main surfaces thereof, an insulating case having an inner space with the thermistor element inserted therein, and a pair of metal terminals arranged to make electrical contact with the respective main surface electrodes of the thermistor element, and to sandwich therebetween the thermistor element. The insulating case includes a pair of main surfaces that are substantially parallel to the main surfaces of the thermistor element, a pair of opening side surfaces each having an opening, and a pair of end surfaces each having a terminal insertion hole provided therein. One end of each of the pair of metal terminals is inserted from the respective terminal insertion holes into the inner space, and the metal terminals press-hold the thermistor element so as to sandwich the thermistor element therebetween.

REFERENCES:
patent: 4959505 (1990-09-01), Ott
patent: 5760336 (1998-06-01), Wang
patent: 5963423 (1999-10-01), Ikeda
patent: 5990779 (1999-11-01), Katsuki et al.
patent: 08-031604 (1996-02-01), None
patent: 08-55703 (1996-08-01), None
patent: 09-232104 (1997-09-01), None
Machine translation to 08031604, Katsuki et al. Feb. 1996.
Official Communication issued in the corresponding Chinese Application No. 03107284.4 dated Nov. 4, 2005.

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