Found 4 alternatives for MF-SMDF150-2 by Bourns Inc.. Ptc Resettable Fuses — 2018 (5045 Metric), Concave.
PTC RESET FUSE 60V 550MA 2018
PTC RESETTABLE 1.1A 33V SMD 2018
PTC RESET FUSE 60V 300MA 2018
PTC RESET FUSE 10V 2A 2018