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MF-RX250 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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MF-RX250 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 4 page MF-RX Series - PTC Resettable Fuses X110 0180T R Electrical Characteristics Features ■ Radial Leaded Devices ■ Cured, flame retardant epoxy polymer insulating material meets UL 94V-0 requirements ■ Agency recognition: ■ RoHS compliant* 1 Hour (R1) Max. Time Tripped Ihold Itrip Initial Post-Trip To Trip Power Resistance Resistance Dissipation Model Amperes Ohms Ohms Amperes Seconds Watts V max. I max. at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C at 23 °C Volts Amps Hold Trip Min. Max. Max. Typ. MF-RX110 60 40 1.10 2.20 0.15 0.25 0.38 5.5 8.2 1.50 MF-RX135 60 40 1.35 2.70 0.12 0.19 0.30 6.75 9.6 1.70 MF-RX160 60 40 1.60 3.20 0.09 0.14 0.22 8.0 11.4 1.90 MF-RX185 60 40 1.85 3.70 0.08 0.12 0.19 9.25 12.6 2.10 MF-RX250 60 40 2.50 5.00 0.05 0.08 0.13 12.5 15.6 2.50 MF-RX300 60 40 3.00 6.00 0.04 0.06 0.10 15.0 19.8 2.80 MF-RX375 60 40 3.75 7.50 0.03 0.05 0.08 18.75 24.0 3.20 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. 1000 hours....................±5 % typical resistance change Thermal Shock ....................................................-40 °C to +85 °C,10 times ..........................±10 % typical resistance change Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Condition A Environmental Characteristics Test Test Conditions Accept/Reject Criteria Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ Rmax Time to Trip ........................................................5 times Ihold, Vmax, 23 °C..........................T ≤ max. time to trip (seconds) Hold Current ......................................................30 min. at Ihold............................................No trip Trip Cycle Life ....................................................Vmax, Imax, 100 cycles ..............................No arcing or burning Trip Endurance....................................................Vmax, 48 hours ..........................................No arcing or burning UL File Number ..................................................E 174545S CSA File Number ................................................CA 110338 TÜV File Number ................................................R2057213 Test Procedures And Requirements For Model MF-RX Series Thermal Derating Chart - Ihold / Itrip (Amps) TV Rheinland Ambient Operating Temperature Model -40 °C -20 °C0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C MF-RX110 1.71 / 3.42 1.50 / 3.00 1.31 / 2.62 1.10 / 2.20 0.89 / 1.78 0.79 / 1.58 0.69 / 1.38 0.59 / 1.18 0.44 / 0.88 MF-RX135 2.09 / 4.18 1.84 / 3.68 1.61 / 3.22 1.35 / 2.70 1.09 / 2.18 0.97 / 1.94 0.85 / 1.70 0.73 / 1.46 0.54 / 1.08 MF-RX160 2.48 / 4.96 2.18 / 4.36 1.90 / 3.80 1.60 / 3.20 1.30 / 2.60 1.15 / 2.30 1.01 / 2.02 0.86 / 1.72 0.64 / 1.28 MF-RX185 2.87 / 5.74 2.52 / 5.04 2.20 / 4.40 1.85 / 3.70 1.50 / 3.00 1.33 / 2.66 1.17 / 2.34 1.00 / 2.00 0.74 / 1.48 MF-RX250 3.88 / 7.76 3.40 / 6.80 2.98 / 5.96 2.50 / 5.00 2.03 / 4.06 1.80 / 3.60 1.58 / 3.16 1.35 / 2.70 1.00 / 2.00 MF-RX300 4.65 / 9.30 4.08 / 8.16 3.57 / 7.14 3.00 / 6.00 2.43 / 4.86 2.16 / 4.32 1.89 / 3.78 1.62 / 3.24 1.20 / 2.40 MF-RX375 5.81 / 11.6 5.10 / 10.2 4.46 / 8.92 3.75 / 7.50 3.04 / 6.08 2.70 / 5.40 2.36 / 4.72 2.03 / 4.06 1.50 / 3.00 The MF-RX Series is currently available, although not recommended for new designs. The higher voltage rated MF-RX/72 Series is preferred. *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. |
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