Features ■ Fast tripping resettable circuit protection Low internal resistance Patents pending Weldable nickel terminals ■ Agency recognition: ■ ■ ■ Applications ■ AAA size battery cells MF-AAA Series - PTC Resettable Fuses Electrical Characteristics Ih Rated Current Model MF-AAA170 MF-AAA210 V max. Volts I max. Amps 15 15 50 50 Typical Current Trip Limit Amps at 23°C Amps at 0°C Amps at 23°C Initial Resistance Values Amps at 60°C Ohms at 23°C Hold Hold Trip Hold Trip Hold Trip Min. 1.7 2.1 2.0 2.3 4.2 5.4 1.7 2.1 3.7 4.5 1.3 1.5 2.5 3.4 0.050 0.036 R1 Max. 0.072 0.048 One Hour Post-Trip Resistance Standard Trip Ohms at 23°C Max. 0.120 0.086 Maximum Tripped Time Power To Trip Dissipation Seconds at 23°C 5 @ 8.5A 5 @ 10.5A Watts at 23°C Typ. 1.3 1.3 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. 7 days ............................±5% typical resistance change Thermal Shock ....................................................+85°C to -40°C, 20 times ............................±10% typical resistance change Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change Vibration ..............................................................MIL-STD-883C, Method A ..........................No change Condition A Test Procedures And Requirements For Model MF-AAA 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 ........................................................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 Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model MF-AAA170 MF-AAA210 -40˚C 2.45 2.03 -20˚C 2.21 2.20 0˚C 2.00 2.30 23˚C 1.70 2.10 40˚C 1.56 1.90 50˚C 1.44 1.71 60˚C 1.30 1.50 70˚C 1.19 1.37 85˚C 1.08 1.29 *Itrip is approximately two times Ihold. NOTE: Model MF-AAA is agency approved for 10V. MF-AAA, REV. F, 11/02 Specifications are subject to change without notice. MF-AAA Series - PTC Resettable Fuses Product Dimensions Model A B C D E F G H K L MF-AAA170 16.8 ± 0.3 (.661 ± .012) 9.8 ± 0.1 (.386 ± .004) 5.0 ± 0.2 5.0 ± 0.2 1.0 MAX. 5.00 ± 0.3 .90 MAX. .15 ± .05 4.5 ± 0.2 6.0 ± 0.5 (.197 ± .008) (.197 ± .008) (.039 MAX.) (.197 ± .012) (.035 MAX.) (.006 ± .002) (.177 ± .008) (.236 ± .020) MF-AAA210 16.8 ± 0.3 (.661 ± .012) 9.8 ± 0.2 (.386 ± .012) 5.0 ± 0.2 5.0 ± 0.2 1.0 MAX. 5.00 ± 0.3 .90 MAX. .15 ± .05 4.5 ± 0.2 5.0 ± 0.5 (.197 ± .008) (.197 ± .008) (.039 MAX.) (.197 ± .012) (.035 MAX.) (.006 ± .002) (.177 ± .008) (.197 ± .020) MM DIMENSIONS = (IN) B Typical Part Marking G Represents total content. Layout may vary. K PART IDENTIFICATION L F E MANUFACTURER'S TRADEMARK A NOTE: INSULATED MATERIAL ON BOTH SIDES. 170 B0A DATE CODE YEAR & WEEK (WEEK A OF 2000 = 0A; WEEK 27 OF 2000 = A0) D How to Order C H MF - AAA 170 - 2 Multifuse® Product Designator Series AAA = Battery Cap Component Hold Current, Ihold 170 or 210 (1.7 Amps, 2.1 Amps) Typical Time to Trip at 23°C Packaging Packaged per EIA 481-1 -2 = Tape and Reel 100 Time to Trip (Seconds) 10 MF-AAA210 MF-AAA170 1 0.1 0.01 0.001 1 10 Fault Current (Amps) Specifications are subject to change without notice. 100 MF-AAA Series Tape and Reel Specifications Taped Component Dimensions 10.0 ± 0.1 (.394 ± .004) 0.4 (.016) MAX. 1.5 ± 0.1 (.060 ±.004) 16.0 ± 0.1 (.630 ± .004) 2.0 ± 0.1 (.079 ± .004) 4.0 ± 0.1 (.157 ± .004) 12.4 REF. (.504) ......................................................................................... 24.0 (.945) MAX. 18.8 (.740) MAX. 17.4 ± 0.1 (.700 ± .004) ... ... .................................................................................................. 2.0 MAX. (.079) 0.1 (.004) MAX. 1.5 ± 0.1 (.060 ± .004) 5.3 ± 0.1 (.452 ± .004) 11.5 ± 0.1 (.453 ± .004) Reel Dimensions 60 (2.362) MIN. 360 (14.173) MAX. 24.4 +2.0/-0.0 (.961 +.079/-0) 30.4 MAX. (1.197) Specifications are subject to change without notice.