Features Applications Radial Leaded Devices Almost anywhere there is a low voltage power supply and a load to be protected, including: Cured, ame retardant epoxy polymer insulating material meets UL 94V-0 Computers & peripherals requirements General electronics RoHS compliant* and halogen free** Automotive applications Agency recognition: MF-R Series - PTC Resettable Fuses Electrical Characteristics 1 Hour (R ) Tripped 1 Initial Max. Time Ihold Itrip Post-Trip Power Resistance to Trip I max. Resistance Dissipation V max. Model Volts Amperes Ohms Ohms Amperes Seconds Watts Amps at 23 C at 23 C at 23 C at 23 C at 23 C at 23 C Hold Trip Min. Max. Max. Typ. MF-R005** 60 40 0.05 0.10 7.3 11.1 22.0 0.5 5.0 0.22 MF-R010 60 40 0.10 0.20 2.50 4.50 7.50 0.5 4.0 0.38 MF-R017 60 40 0.17 0.34 2.00 3.20 8.00 0.85 3.0 0.48 MF-R020 60 40 0.20 0.40 1.50 2.84 4.40 1.0 2.2 0.40 MF-R025 60 40 0.25 0.50 1.00 1.95 3.00 1.25 2.5 0.45 MF-R030 60 40 0.30 0.60 0.76 1.36 2.10 1.5 3.0 0.50 MF-R040 60 40 0.40 0.80 0.52 0.86 1.29 2.0 3.8 0.55 MF-R050 60 40 0.50 1.00 0.41 0.77 1.17 2.5 4.0 0.75 MF-R065 60 40 0.65 1.30 0.27 0.48 0.72 3.25 5.3 0.90 MF-R075 60 40 0.75 1.50 0.18 0.40 0.60 3.75 6.3 0.90 MF-R090 60 40 0.90 1.80 0.14 0.31 0.47 4.5 7.2 1.00 MF-R090-0-9 30 40 0.90 1.80 0.07 0.12 0.22 4.5 5.9 0.60 MF-R110 30 40 1.10 2.20 0.10 0.18 0.27 5.5 6.6 0.70 MF-R135 30 40 1.35 2.70 0.065 0.115 0.17 6.75 7.3 0.80 MF-R160 30 40 1.60 3.20 0.055 0.105 0.15 8.0 8.0 0.90 MF-R185 30 40 1.85 3.70 0.040 0.07 0.11 9.25 8.7 1.00 MF-R250 30 40 2.50 5.00 0.025 0.048 0.07 12.5 10.3 1.20 MF-R250-0-10 30 40 2.50 5.00 0.025 0.048 0.07 12.5 10.3 1.20 MF-R300 30 40 3.00 6.00 0.020 0.05 0.08 15.0 10.8 2.00 MF-R400 30 40 4.00 8.00 0.010 0.03 0.05 20.0 12.7 2.50 MF-R500 30 40 5.00 10.00 0.010 0.03 0.05 25.0 14.5 3.00 MF-R600 30 40 6.00 12.00 0.005 0.02 0.04 30.0 16.0 3.50 MF-R700 30 40 7.00 14.00 0.005 0.02 0.03 35.0 17.5 3.80 MF-R800 30 40 8.00 16.00 0.005 0.02 0.03 40.0 18.8 4.00 MF-R900 30 40 9.00 18.00 0.005 0.01 0.02 45.0 ***20.0 4.20 MF-R1100 16 100 11.00 22.00 0.003 0.01 0.014 40.0 20.0 4.50 **CSA approval pending. ***Tested at 40 amps 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-R 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 UL File Number ............................................... E 174545 CSA File Number ............................................. CA 110338 TV File Number ............................................. R2057213 * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** Bourns follows the prevailing de nition of halogen free in the industry. Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) the Chlorine (Cl) content is 900 ppm or less and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. Speci cations 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 speci c applications. *RoHS COMPLIANT & **HALOGEN FREEAdditional Features Bulk packaging, tape and reel and Ammo-Pak available on most models MF-R Series - PTC Resettable Fuses Product Dimensions (see next page for outline drawing) C Physical Characteristics A B D E Model Max. Max. Nom. Tol. Min. Max. Style Lead Dia. Material 8.0 8.3 5.1 0.7 7.6 3.1 0.405 MF-R005 4 Sn/NiCu (0.315) (0.327) (0.201) (0.028) (0.299) (0.122) (0.016) 7.4 12.7 5.1 0.7 7.6 3.1 0.51 MF-R010 1 Sn/NiCu (0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020) 7.4 12.7 5.1 0.7 7.6 3.1 0.51 MF-R017 1 Sn/CuFe (0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020) 7.4 12.7 5.1 0.7 7.6 3.1 0.51 MF-R020 1 Sn/CuFe (0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020) 7.4 12.7 5.1 0.7 7.6 3.1 0.51 MF-R025 1 Sn/CuFe (0.291) (0.5) (0.201) (0.028) (0.299) (0.122) (0.020) 7.4 13.4 5.1 0.7 7.6 3.1 0.51 MF-R030 1 Sn/CuFe (0.291) (0.528) (0.201) (0.028) (0.299) (0.122) (0.020) 7.4 13.7 5.1 0.7 7.6 3.1 0.51 MF-R040 1 Sn/CuFe (0.291) (0.539) (0.201) (0.028) (0.299) (0.122) (0.020) 7.9 13.7 5.1 0.7 7.6 3.1 0.51 MF-R050 1 Sn/Cu (0.311) (0.539) (0.201) (0.028) (0.299) (0.122) (0.020) 9.7 15.2 5.1 0.7 7.6 3.1 0.51 MF-R065 1 Sn/Cu (0.382) (0.598) (0.201) (0.028) (0.299) (0.122) (0.020) 10.4 16.0 5.1 0.7 7.6 3.1 0.51 MF-R075 1 Sn/Cu (0.409) (0.630) (0.201) (0.028) (0.299) (0.122) (0.020) 11.7 16.7 5.1 0.7 7.6 3.1 0.51 MF-R090 1 Sn/Cu (0.461) (0.657) (0.201) (0.028) (0.299) (0.122) (0.020) 7.4 12.2 5.1 0.7 7.6 3.0 0.51 MF-R090-0-9 3 Sn/CuFe (0.291) (0.480) (0.201) (0.028) (0.299) (0.118) (0.020) 8.9 14.0 5.1 0.7 7.6 3.0 0.51 MF-R110 1 Sn/Cu (0.350) (0.551) (0.201) (0.028) (0.299) (0.118) (0.020) 8.9 18.9 5.1 0.7 7.6 3.0 0.51 MF-R135 1 Sn/Cu (0.350) (0.744) (0.201) (0.028) (0.299) (0.118) (0.020) 10.2 16.8 5.1 0.7 7.6 3.0 0.51 MF-R160 1 Sn/Cu (0.402) (0.661) (0.201) (0.028) (0.299) (0.118) (0.020) 12.0 18.4 5.1 0.7 7.6 3.0 0.51 MF-R185 1 Sn/Cu (0.472) (0.724) (0.201) (0.028) (0.299) (0.118) (0.020) 12.0 18.3 5.1 0.7 7.6 3.0 0.81 MF-R250 2 Sn/Cu (0.472) (0.720) (0.201) (0.028) (0.299) (0.118) (0.032) 12.0 18.3 5.1 0.7 7.6 3.0 0.51 MF-R250-0-10 3 Sn/CuFe (0.472) (0.720) (0.201) (0.028) (0.299) (0.118) (0.020) 12.0 18.3 5.1 0.7 7.6 3.0 0.81 MF-R300 2 Sn/Cu (0.472) (0.720) (0.201) (0.028) (0.299) (0.118) (0.032) 14.4 24.8 5.1 0.7 7.6 3.0 0.81 MF-R400 2 Sn/Cu (0.567) (0.976) (0.201) (0.028) (0.299) (0.118) (0.032) 17.4 24.9 10.2 0.7 7.6 3.0 0.81 MF-R500 2 Sn/Cu (0.685) (0.980) (0.402) (0.028) (0.299) (0.118) (0.032) 19.3 31.9 10.2 0.7 7.6 3.0 0.81 MF-R600 2 Sn/Cu (0.760) (1.256) (0.402) (0.028) (0.299) (0.118) (0.032) 22.1 29.8 10.2 0.7 7.6 3.0 0.81 MF-R700 2 Sn/Cu (0.870) (1.173) (0.402) (0.028) (0.299) (0.118) (0.032) 24.2 32.9 10.2 0.7 7.6 3.0 0.81 MF-R800 2 Sn/Cu (0.953) (1.295) (0.402) (0.028) (0.299) (0.118) (0.032) 24.2 32.9 10.2 0.7 7.6 3.0 0.81 MF-R900 2 Sn/Cu (0.953) (1.295) (0.402) (0.028) (0.299) (0.118) (0.032) 24.2 32.9 10.2 0.7 7.6 3.0 0.81 MF-R1100 2 Sn/Cu (0.953) (1.295) (0.402) (0.028) (0.299) (0.118) (0.032) Packaging options: 0.405 (26AWG) MM DIMENSIONS: 0.51 (24AWG) BULK: All models = 500 pcs. per bag (INCHES) 0.81 (20AWG) TAPE & REEL: MF-R005-MF-R160 12.7 mm device pitch = 3000 pcs. per reel MF-R185-MF-R400 25.4 mm device pitch = 1500 pcs. per reel MF-R500~MF-R1100 25.4 mm device pitch = 1000 pcs. per reel AMMO-PACK: MF-R005-MF-R160 12.7 mm device pitch = 2000 pcs. per pack MF-R185-MF-R400 25.4 mm device pitch = 1000 pcs. per pack MF-R500~MF-R1100 25.4 mm device pitch = 500 pcs. per pack Speci cations 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 speci c applications.