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 260°C to ensure reliable operation.
GT103E1K Features
Package/Case: Bulk GT Series Operating Temperature: 260°C Mounting Type: Through Hole
GT103E1K Applications
There are a lot of Littelfuse Inc. GT103E1K NTC Thermistors applications.
Temperature compensation of display backlighting (CCFL)