NTC thermistors are packaged as a Bulk. The Bead, Glass package contains it for your convenience. In order for NTC thermistors to operate, the resistance tolerance must be ±10%. When using NTC thermistors, the temperature should be set to 300°C to ensure reliable operation.
GS105W1K Features
Package/Case: Bulk GS Series Operating Temperature: 300°C Mounting Type: Through Hole
GS105W1K Applications
There are a lot of Littelfuse Inc. GS105W1K NTC Thermistors applications.
Temperature compensation of display backlighting (CCFL)