Typically, NTC thermistors are packaged in a Bulk package. In order to make things easier, it is included in the package Nonstandard Chip. A NTC thermistor must have a resistance tolerance of ±10% in order to operate. For reliable performance, NTC thermistors should be set to 150°C.
BC502J1K Features
Package/Case: Bulk BC Series Operating Temperature: 150°C Mounting Type: Surface Mount
BC502J1K Applications
There are a lot of Littelfuse Inc. BC502J1K NTC Thermistors applications.
Temperature detection of battery cells
Temperature compensation of display contrast
Temperature compensation of display backlighting (CCFL)