There is a Bulk package for NTC thermistors. A maximum operating temperature of 200°C is required for the reliable operation of NTC thermistors. For reliability, NTC thermistors may be operated at a temperature of -55°C.
B57561G202F Features
Package/Case: Bulk 1% Tolerance
B57561G202F Applications
There are a lot of TDK Corporation B57561G202F NTC Thermistors applications.