MF-RX375

PL IA N T Features ■ Radial Leaded Devices ■ Cured, flame retardant epoxy polymer RX 1 018 10 0T *R oH S insulating material meets UL 94V-0 requirements ■ Agency recognition: ■ RoHS compliant* The MF-RX Series is currently available, although not recommended for new designs. The higher voltage rated MF-RX/72 Series is preferred. CO M MF-RX Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max. Volts I max. Amps Itrip Initial Resistance Ohms at 23 °C Min. 0.15 0.12 0.09 0.08 0.05 0.04 0.03 Max. 0.25 0.19 0.14 0.12 0.08 0.06 0.05 1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max. 0.38 0.30 0.22 0.19 0.13 0.10 0.08 Max. Time to Trip Amperes at 23 °C 5.5 6.75 8.0 9.25 12.5 15.0 18.75 Seconds at 23 °C 8.2 9.6 11.4 12.6 15.6 19.8 24.0 Tripped Power Dissipation Watts at 23 °C Typ. 1.50 1.70 1.90 2.10 2.50 2.80 3.20 Amperes at 23 °C Hold 1.10 1.35 1.60 1.85 2.50 3.00 3.75 Trip 2.20 2.70 3.20 3.70 5.00 6.00 7.50 MF-RX110 MF-RX135 MF-RX160 MF-RX185 MF-RX250 MF-RX300 MF-RX375 60 60 60 60 60 60 60 40 40 40 40 40 40 40 Environmental Characteristics Operating/Storage Temperature ...................... -40 °C to +85 °C Maximum Device Surface Temperature in Tripped State ............................................ 125 °C Passive Aging .................................................. +85 °C, 1000 hours...........................................±5 % typical resistance change Humidity Aging................................................. +85 °C, 85 % R.H. 1...