Summary
Positive Temperature Coefficient Thermistor, thermally sensitive semiconductor ceramic component, is mainly made of doped ceramic, Barium Titanate. Resistance of the thermisiter increases at a specific temperature range.

WuXi Noble Electronics Co., Ltd. produces Ceramic Positive Temperature Thermistor and Formulated Powder.  Curie Temp. : -50℃～320 ℃,  Resistivity : 5Ω·cm ～ 50KΩ·cm. Product covers to Motor starter, Over-current protection, Temperature compensation, Thermostat and Heater.

Formulated Powder (Lead Free)

Formulated Powder (Lead Free)

Formulated Powder (Leaded)​​​​​​​

PTC  Thermistor

PTC Thermistor