NTC thermistors are packaged as a Bulk. The DO-213AC, MINI-MELF, SOD-80 package contains it for your convenience. In order for NTC thermistors to operate, the resistance tolerance must be ±1°C. When using NTC thermistors, the temperature should be set to 220°C to ensure reliable operation.
WM153J1A Features
Package/Case: Bulk WM Series Operating Temperature: 220°C Mounting Type: Surface Mount
WM153J1A Applications
There are a lot of Littelfuse Inc. WM153J1A NTC Thermistors applications.
Temperature compensation of display backlighting (CCFL)