Document
Features
n Surface mount packaging for automated assembly n Small footprint size (1210) and low profile for space-constrained mobile applications n Ultra-low resistance, quick response n RoHS compliant* n Agency recognition:
MF-USML/X Series - Low Ohmic PTC Resettable Fuses
Electrical Characteristics
Model
V max. I max.
MF-USML175/12 MF-USML200/12 MF-USML260/12 MF-USML300/12 MF-USML350/12 MF-USML380/12 MF-USML400/12 MF-USML450/12 MF-USML500/12 MF-USML550/12
Volts 12 12 12 12 12 12 12 12 12 12
Amps 50 50 50 50 50 50 50 50 50 50
Ihold Itrip
at 23 °C
Amps 1.75 3.5
2.0 4.0 2.6 5.2 3.0 6.0 3.5 7.0 3.8 7.6 4.0 8.0 4.5 9.0 5.0 10.0 5.5 11.0
Resistance
at 23 °C Ohms
Rmin 0.006 0.005 0.004 0.003 0.002 0.002 0.002 0.002 0.001 0.001
R1max 0.050 0.040 0.030 0.024 0.022 0.020 0.018 0.014 0.012 0.010
Tripped
Max. Time To Trip
Power
Dissipation
at 23 °C
Amps 8.0 8.0
Seconds 0.8 5.0
Watts at 23 °C Typ.
1.0 1.0
8.0 5.0 15.0 5.0
1.0 1..