The package DO-213AC, MINI-MELF, SOD-80 includes it for convenience. As a result, the resistance tolerance for NTC thermistors is ±10%. If you wish to ensure reliable performance, you should set the temperature of NTC thermistors to -55°C~220°C.
SM252B1K Features
SM Series Operating Temperature: -55°C~220°C Mounting Type: Surface Mount
SM252B1K Applications
There are a lot of Littelfuse Inc. SM252B1K NTC Thermistors applications.