Features Applications ■ Fast tripping resettable circuit protection Surface mount packaging for automated assembly Very low internal resistance Patents pending 100 °C trip temperature ■ Agency recognition: ■ ■ ■ ■ ■ Battery cell protection MF-ESMD Series - PTC Resettable Fuses Electrical Characteristics Ihold Model MF-ESMD190 V max. Volts I max. Amps 16 100 Itrip Amperes at 23 °C Hold Trip 1.9 3.8 Max. Time To Trip Resistance Ohms at 23 °C Min. R1 Max. 0.010 0.08 Tripped Power Dissipation Amperes at 23 °C Seconds at 23 °C Watts at 23 °C Typ. 10 2.0 1.5 Environmental Characteristics E T E L O S B O 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 ....................................................+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 2007.1, ................No change Condition A Test Procedures And Requirements For Model MF-ESMD 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 ≤ R1max Time to Trip ....................................At specified current, 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 Solderability ....................................MIL-STD-202F, Method 208F..........................................95 % min. coverage UL File Number ..................................E174545 http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545 CSA File Number ................................CA110338 http://directories.csa-international.org/ Under “Certification Record” and “File Number” enter 110338-0-000 TÜV Certificate Number......................R 02057213 http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213 Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model MF-ESMD190 -40 ˚C 3.04 -20 ˚C 2.7 Specifications are subject to change without notice. 0 ˚C 2.2 23 ˚C 1.9 40 ˚C 1.44 50 ˚C 1.23 60 ˚C 1.00 70 ˚C 0.78 85 ˚C 0.49 MF-ESMD Series - PTC Resettable Fuses Product Dimensions A Model Min. 11.25 (0.443) MF-ESMD190 B Max. 11.61 (0.457) Min. 4.83 (0.190) C Max. 5.33 (0.210) Min. 0.33 (0.013) Max. 0.63 (0.025) Packaging: 1500 pcs. per reel. D Min. 0.51 (0.020) UNIT = Top and Bottom View Side View A MM (INCHES) Typical Time to Trip at 23 °C C -ES MD 190 E T E L O S B O MF B 100 Recommended Pad Layout 1.45 ± 0.10 (0.057 ± 0.004) 10 Time to Trip (Seconds) D 4.75 ± 0.10 (0.187 ± 0.004) 9.57 ± 0.10 (0.377 ± 0.004) Typical Part Marking 1 0.1 0.01 Represents total content. Layout may vary. PART IDENTIFICATION MANUFACTURER'S TRADEMARK 190 0A 0.001 1 0.1 DATE CODE WEEK 1 OF 2000 = 0A (YEAR & WEEK) WEEK 27 OF 2000 = A0 (WEEK & YEAR) 10 100 Fault Current (Amps) Solder Reflow Recommendations How to Order 300 Preheating Soldering Cooling Note: • MF-ESMD models can be wave soldered and reworked. • If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. 250 MF - ESMD 190 - 2 Multifuse Product Designator Series ESMD = 11.5mm Surface Mount Component Hold Current, Ihold 190 (1.9 Amps) Packaging Packaged per EIA 481-2 -2 = Tape and Reel Temperature (°C) ® 200 150 100 50 0 160–220 10–20 120 Time (seconds) MF-ESMD, REV. J, 11/02 Specifications are subject to change without notice. MF-MSMD, MF-USMD & MF-ESMD Series Tape and Reel Specs MF-MSMD Series per EIA-481-1 MF-USMD Series per EIA 481-1 MF-ESMD Series per EIA 481-2 W 12.0 ± 0.30 (0.472 ± 0.012) 8.0 ± 0.30 (0.315 ± 0.012) 24.0 ± 0.3 (0.945 ± 0.012) P0 4.0 ± 0.10 (0.157 ± 0.004) 4.0 ± 0.10 (0.157 ± 0.004) 4.0 ± 0.1 (0.157 ± 0.004) Tape Dimensions P2 8.0 ± 0.10 (0.315 ± 0.004) 2.0 ± 0.05 (0.079 ± 0.002) A0 3.66 ± 0.15 (0.144 ± 0.006) B0 4.98 ± 0.10 (0.196 ± 0.004) P1 4.0 ± 0.10 (0.157 ± 0.004) 2.0 ± 0.05 (0.079 ± 0.002) MF-USMD005,010,020: MF-USMD035,050,075,110: 2.76 ± 0.10 2.93 ± 0.15 (0.109 ± 0.004) (0.115 ± 0.006) MF-USMD005,010,020: 3.5 ± 0.1 (0.138 ± 0.004) 5.65 ± 0.1 (0.222 ± 0.004) MF-USMD035,050,075,110: 3.56 ± 0.1 (0.140 ± 0.004) E T E L O S B O 5.9 (0.232) 1.5 + 0.10/-0.00 (0.059 + 0.004/-0) 5.5 ± 0.05 (0.217 ± 0.002) 1.75 ± 0.10 (0.069 ± 0.004) B1 max. D0 F E1 10.25 (0.404) 0.6 (0.024) 0.1 (0.004) E2 min. T max. T1 max. 0.95 ± 0.10 (0.037 ± 0.004) K0 Leader min. Trailer min. Reel Dimensions A max. N min. 4.35 (0.171) 1.50 + 0.1/-0.0 (0.059 + 0.004/-0) 3.5 ± 0.05 (0.138 ± 0.002) 1.75 ± 0.10 (0.069 ± 0.004) 6.25 (0.246) 0.6 (0.024) 0.1 (0.004) MF-USMD005,010,020: MF-USMD035,050,075,110: 1.07 ± 0.10 0.75 ± 0.10 (0.042 ± 0.004) (0.030 ± 0.004) W2 max. 11.86 ± 0.1 (0.467 ± 0.004) 20.1 (0.791) 1.5 + 0.1/-0.0 (0.059 + 0.004/-0) 11.5 ± 0.10 (0.453 ± 0.004) 1.75 ± 0.10 (0.069 ± 0.004) 22.25 (0.876) 0.6 (0.024) 0.1 (0.004) 0.85 ± 0.1 (0.033 ± 0.004) 390 (15.35) 160 (6.30) 390 (15.35) 160 (6.30) 390 (15.35) 160 (6.30) 185 (7.28) 50 (1.97) 185 (7.28) 50 (1.97) 8.4 + 1.5/-0.0 (0.331 + 0.059/-0) 14.4 (0.567) 360 (14.17) 60 (2.36) 12.4 + 2.0/-0.0 (0.488 + 0.079/-0.0) 18.4 (0.724) W1 D0 24.4 + 2.0/ -0.0 (0.961 + 0.079/-0) 30.4 (1.20) UNIT = P0 T 8.0 ± 0.1 (0.315 ± 0.004) 2.0 ± 0.1 (0.079 ± 0.004) P2 MM (INCHES) E1 W2(MEASURED AT HUB) COVER TAPE F E2 W B1 A N(HUB DIA.) B0 K0 T1 P1 A0 W1(MEASURED AT HUB) Specifications are subject to change without notice.