ldeally, the PTC thermistors should operate at -40°C. There must be no temperature above 200°C for this thermistor to function. In this thermistor, there are 2 pins.
B59041R120A10 Features
Mount: Surface Mount 2 Pins Tolerance: 50%
B59041R120A10 Applications
There are a lot of TDK Corporation B59041R120A10 PTC Thermistors applications.