For PTC thermistors, -40°C should be the minimum operating temperature. The operating temperature of this thermistor must not exceed 125°C. The thermistor can theoretically supply 440V voltage when working.
B59451C1130B70 Features
Tolerance: 25%
B59451C1130B70 Applications
There are a lot of EPCOS B59451C1130B70 PTC Thermistors applications.