Those are the thermistors that come in a Bulk. It is included in DO-204AH, DO-35, Axial as a convenience. When using NTC thermistors, resistance tolerance is ±5%. In order to ensure reliable performance, NTC thermistors should be set to -55°C~300°C.
203JG1J Features
Package/Case: Bulk Operating Temperature: -55°C~300°C Mounting Type: Through Hole
203JG1J Applications
There are a lot of Littelfuse Inc. 203JG1J NTC Thermistors applications.
Temperature compensation for semiconductor devices
Temperature detection for CPU and memory device
Temperature compensation for ink-viscosity (Inkjet Printer)
Temperature detection of battery cells
Temperature compensation of display contrast
Temperature compensation of display backlighting (CCFL)