MF-USML300/12-2

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 MF-USML175/12 V max. I max. Ihold Itrip at 23 °C Volts 12 Amps Amps Resistance Max. Time To Trip at 23 °C Ohms at 23 °C 50  1.75  3.5 Rmin 0.006 R1max 0.050 Amps  8.0 Seconds Tripped Power Dissipation Watts at 23 °C Typ. 0.8 1.0 Certifications cUL TÜV E174545 R50391579 3 3 MF-USML200/12 12 50 2.0  4.0 0.005 0.040  8.0 5.0 1.0 3 3 MF-USML260/12 12 50 2.6  5.2 0.004 0.030  8.0 5.0 1.0 3 3 MF-USML300/12 12 50 3.0  6.0 0.003 0.024 15.0 5.0 1.0 3 3 MF-USML350/12 12 50 3.5  7.0 0.002 0.022 17.0 5.0 1.0 3 3 MF-USML380/12 12 50 3.8  7.6 0.002 0.020 19.0 5.0 1.0 3 3 MF-USML400/12 12 50 4.0  8.0 0.002 0.018 20.0 5.0 1.0 3 3 MF-USML450/12 12 50 4.5  9.0 0.002 0.014 22.5 2.0 1.0 3 3 MF-USML500/12 12 50 5.0 10.0 0.001 0.012 25.0 2.0 1.2 3 3 MF-USML550/12 12 50 5.5 11.0 0.001 0.010 27.5 2.0 1.2 3 3 Environmental Characteristics Operating Temperature.......................................... -40 °C to +85 °C Storage Condition Before Opening................................................ +40 °C max. / 70 % RH max. After Opening................................................... +40 °C max. / 10 % RH max. Floor Condition After Opening............................... Consumption within 4 weeks at floor condition +30 °C max. / 60 % RH max. Passive Aging........................................................ +85 °C, 1000 hours................................................ ±10 % typical resistance change Humidity Aging...................................................... +85 °C, 85 % R.H. 100 hours................................ ±15 % typical resistance change Thermal Shock...................................................... +85 °C to -40 °C, 20 times..................................... ±30 % typical resistance change Solvent Resistance................................................ MIL-STD-202, Method 215.................................... No change (marking still legible) Vibration................................................................ MIL-STD-883C, Method 2007.1,............................ No change (Rmin