Patent ID: 9373431
Filing Date: 2016-06-21
CPC Classification: H01C,Y10T

Claim Text:
1. A NTC thermistor element comprising: a substrate composed of a ceramic material containing Mn, Ni, Fe and Ti; and a pair of external electrodes on the substrate, wherein when a molar amount of Mn is a [mol %] and a molar amount of Ni is b [mol %], a and b satisfy a+b=100, 44.90≦a≦65.27 and 34.73≦b≦55.10, and when a molar amount of Fe is c [mol %] and a molar amount of Ti is d [mol %], c and d satisfy 24.22≦c≦39.57 and 5.04≦d≦10.18 based on a+b=100.