Thermal resetable fuse data

DigiKey #  MF-185-ND  (Bourns MF-R185 PTC resetable fuse)

4.3 amps  =  15 Sec.

5 amps  =  12 sec.

7.5 amps  =  5 sec.

10 amps  =  2 sec.

"new" fuses require two thermal trips to "breakin" before repeatable operation.

High altitude (less cooling air) requires next size fuse up to match specs.