Mounting structure for thermistor with positive resistance-to-te

Details Mounting structure for thermistor with positive resistance-to-te Mounting structure for thermistor with positive resistance-to-te

1999-02-09

2000-02-01

Donovan, Lincoln

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

338328, 338329, 338315, 338322, 338324, 361770, H01C 710

Patent

active

060208090

ABSTRACT:
A thermistor with positive resistance-to-temperature characteristic used in a overcurrent protection circuit has electrodes on mutually opposite main surfaces and is mounted to a substrate having electrically conductive members such that deterioration of its voltage resistance due to heat emission can be controlled. A spacer with smaller thermal conductivity than the substrate and penetrated by a conductor piece with a small cross-sectional area is inserted between solder materials connecting to one of the thermistor electrodes. The other electrode is contacted by an elongated connecting member through its sectional surface transverse to its longitudinal direction such that the cross-sectional area of electrical conduction is reduced.

REFERENCES:
patent: 3497859 (1970-02-01), Bang
patent: 4101708 (1978-07-01), Larry
patent: 4518944 (1985-05-01), Faris
patent: 5141334 (1992-08-01), Castles
patent: 5166658 (1992-11-01), Fang et al.
patent: 5351026 (1994-09-01), Kanbara et al.

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