Cursitor Doom wrote:

https://tinyurl.com/t7s6og8

Question is, what is the correct name for this 'mystery component'

PTC thermistor?
thermal fuse?

http://www.aolittel.com/sale-10973142-aupo-p3-f-pico-subminiature-pellet-ceramic-thermal-fuse-tf-cutoff-125c-250v-2a-axial-leaded-for-air-.html