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MF-RG Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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MF-RG Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 4 page Features ■ Radial leaded devices ■ Smaller size for similar Ihold rating ■ Faster tripping ■ RoHS compliant* Applications ■ Automotive applications ■ Anywhere space is limited and fast tripping is required MF-RG Series - PTC Resettable Fuses *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Electrical Characteristics Model V max. Volts I max. Amps Ihold Itrip Initial Resistance 1 Hour (R1) Post-Trip Resistance Max. Time To Trip Tripped Power Dissipation Amperes at 23 °C Ohms at 23 °C Ohms at 23 °C Amperes at 23 °C Seconds at 23 °C Watts at 23 °C Hold Trip Min. Max. Max. Typ. MF-RG300 16 100 3.00 5.10 0.038 0.065 0.0975 15 1.0 2.30 MF-RG500 16 100 5.00 8.50 0.015 0.023 0.0340 25 2.0 2.60 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. 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 Test Procedures And Requirements For Model MF-RG Series 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 Thermal Derating Chart - Ihold (Amps) Model Ambient Operating Temperature -40 °C -20 °C 0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C MF-RG300 4.4 4.0 3.6 3.0 2.6 2.4 2.1 1.9 1.4 MF-RG500 7.3 6.6 6.0 5.0 4.4 4.0 3.6 3.1 2.4 Itrip is approximately two times Ihold. RG7 00 |
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