The minimum operating temperature for the PTC thermistors should be set to 5°C. To make sure this thermistor works, the operating temperature must not exceed 80°C. There are 2 pins in this thermistor.
B59192A120B20 Features
Mount: Surface Mount 2 Pins Tolerance: 20%
B59192A120B20 Applications
There are a lot of EPCOS B59192A120B20 PTC Thermistors applications.