*R & oHS AE C C OM AP P PR LI OV AN ED T Features ■ Compliant with AEC-Q200 Rev-C Stress ■ 136 4A ■ ■ ■ ■ RoHS compliant* Test Qualification for Passive Components in Automotive Applications Operating temperature range up to 125 °C Low thermal derating factor Higher hold currents at elevated temperature Choice of operating currents MF-SMHT Series - PTC Resettable Fuses Electrical Characteristics Ihold Model MF-SMHT136 MF-SMHT160 V max. Volts I max. Amps 16 16 100 100 Itrip Amperes at 23 °C Hold Trip 1.36 2.72 1.60 3.20 Max. Time To Trip Resistance Ohms at 23 °C RMin. R1Max. 0.085 0.33 0.050 0.15 Amperes at 23 °C Seconds at 23 °C 8.0 8.0 10.0 10.0 Tripped Power Dissipation Watts at 23 °C Typ. 2.1 2.1 Environmental Characteristics Operating Temperature......................................... -40 °C to +125 °C Storage Temperature ............................................ -40 °C to +85 °C Passive Aging ....................................................... +125 °C, 1000 hours ............................................. ±15 % typical resistance change Humidity Aging...................................................... +85 °C, 85 % R.H. 7 days ..................................... ±15 % typical resistance change Thermal Shock ..................................................... MIL-STD-202F, Method 107G,.............................. ±15 % typical resistance change +125 °C to -55 °C,10 cycles Vibration ............................................................... MIL-STD-883C, Method 2007.1, Condition A ....... No change Test Procedures And Requirements For Model MF-SMHT 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 Thermal Derating Chart - Ihold/Itrip (Amps) Model MF-SMHT136 MF-SMHT160 Ambient Operating Temperature -40 °C -20 °C 0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C 125 °C 1.91 / 3.82 1.72 / 3.44 1.54 / 3.08 1.36 / 2.72 1.18 / 2.36 1.09 / 2.18 1.00 / 2.00 0.91 / 1.82 0.77 / 1.54 0.40 / 0.80 2.15 / 4.30 1.96 / 3.92 1.78 / 3.56 1.60 / 3.20 1.42 / 2.48 1.33 / 2.66 1.24 / 2.48 1.15 / 3.30 1.02 / 2.04 0.64 / 1.28 Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com *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. Customers should verify actual device performance in their specific applications. Applications ■ Protection of automotive circuitry including engine control modules ■ Overcurrent surge protection of electronic equipment required to operate at high operating temperature ranges ■ Resettable fault protection of general electronic equipment MF-SMHT Series - PTC Resettable Fuses Product Dimensions A Model Min. 6.73 (0.265) 8.00 (0.315) MF-SMHT136 MF-SMHT160 Max. 7.98 (0.314) 9.50 (0.374) B Max. 3.00 (0.118) 3.00 (0.118) C Max. 5.44 (0.214) 6.71 (0.264) D Min. 0.56 (0.022) 0.56 (0.022) E Max. 0.71 (0.028) 0.71 (0.028) Min. 0.56 (0.022) 0.56 (0.022) F Max 0.71 (0.028) 0.71 (0.028) Min. 2.16 (0.085) 3.68 (0.145) G Max. 2.41 (0.095) 3.94 (0.155) Min. 0.66 (0.026) 0.66 (0.026) Packaging: TAPE & REEL: MF-SMHT136 = 2000 pcs. per reel; MF-SMHT160 = 1500 pcs. per reel. C Max. 1.37 (0.054) 1.37 (0.054) H Min. 0.43 (0.017) 0.43 (0.017) DIMENSIONS: MM (INCHES) Typical Part Marking G Represents total content. Layout may vary. B Terminal material: Tin-plated brass MANUFACTURER'S TRADEMARK F H D E PART IDENTIFICATION 136 4A DATE CODE WEEK 1 OF 2004 = 4A (YEAR & WEEK) WEEK 27 OF 2004 = A4 (WEEK & YEAR) End View A Side View How to Order Recommended Pad Layout MF-SMHT160 Recommended Pad Layout MF-SMHT136 2.3 ± 0.1 (0.09 ± 0.004) MF - SMHT 136 - 2 2.3 ± 0.1 (0.09 ± 0.004) Multifuse® Product Designator Series SMHT = Surface Mount Component Hold Current, Ihold 136 - 160 (1.36 - 1.60 Amps) Packaging Options - 2 = Tape and Reel* 9.7 ± 0.1 (0.38 ± 0.004) 3.1 ± 0.1 (0.12 ± 0.004) 10.7 ± 0.1 (0.42 ± 0.004) 3.1 ± 0.1 (0.12 ± 0.004) 4.6 ± 0.1 (0.18 ± 0.004) *Packaged per EIA-481-2 4.6 ± 0.1 (0.18 ± 0.004) Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-SMHT Series - PTC Resettable Fuses Typical Time to Trip at 23 ˚C 10 MF-SMHT160 MF-SMHT136 Time to Trip (Seconds) 1 0.1 0.01 0.001 10 1 100 Fault Current (Amps) The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications may differ from these values due to the influence of other variables. Solder Reflow Recommendations Temperature (°C) 300 Preheating Soldering Cooling Solder reflow • Recommended reflow methods: IR, vapor phase oven, hot air oven. 250 • Devices are not designed to be wave soldered to the bottom side of the board. 200 • Gluing the devices is not recommended. 150 • Recommended maximum paste thickness is 0.25 mm (.010 inch). • Devices can be cleaned using standard industry methods and solvents. 100 Note: 50 • 0 If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. Rework 160–220 10–20 120 Time (seconds) MF-SMHT SERIES, REV. F, 02/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. • A device should not be reworked. MF-SMHT Series Tape and Reel Specifications NOTE: Effective December 1, 2010 (product date code V0), the cover tape will be changed to the new 3M™ Universal Cover Tape (UCT). Tape Dimensions W P0 P1 P2 A0 B0 B1 max. D0 F E1 E2 min. T max. T1 max. K0 Leader min. Trailer min. MF-SMHT136 per EIA-481-2 16.0 ± 0.3 (0.630 ± 0.012) 4.0 ± 0.1 (0.157 ± 0.004) 8.0 ± 0.1 (0.315 ± 0.004) 2.0 ± 0.1 (0.079 ± 0.004) 5.7 ± 0.1 (0.224 ± 0.004) 8.1 ± 0.1 (0.319 ± 0.004) 12.1 (0.476) 1.5 + 0.1/-0.0 (0.059 + 0.004/-0) 7.5 ± 0.1 (0.295 + 0.004) 1.75 ± 0.1 (0.069 ± 0.004) 14.25 (0.561) 0.6 (0.024) 0.1 (0.004) 3.4 ± 0.1 (0.134 ± 0.004) 390 (15.35) 160 (6.30) MF-SMHT160 per EIA 481-2 16.0 ± 0.3 (0.630 ± 0.012) 4.0 ± 0.1 (0.157 ± 0.004) 12.0 ± 0.1 (0.472 ± 0.004) 2.0 ± 0.1 (0.079 ± 0.004) 6.9 ± 0.1 (0.272 ± 0.004) 9.6 ± 0.1 (0.378 ± 0.004) 12.1 (0.476) 1.5 + 0.1/-0.0 (0.059 + 0.004/-0) 7.5 ± 0.1 (0.295 + 0.004) 1.75 ± 0.1 (0.069 ± 0.004) 14.25 (0.561) 0.6 (0.024) 0.1 (0.004) 3.4 ± 0.1 (0.134 ± 0.004) 390 (15.35) 160 (6.30) 360 (14.17) 50 (1.97) 16.4 + 2.0/ -0.0 (0.646 + 0.079/-0) 22.4 (0.882) 360 (14.17) 50 (1.97) 16.4 + 2.0/ -0.0 (0.646 + 0.079/-0) 22.4 (0.882) Reel Dimensions A max. N min. W1 W2 max. DIMENSIONS: MM (INCHES) P0 T D0 P2 E1 W2(MEASURED AT HUB) COVER TAPE F E2 W B1 A N(HUB DIA.) B0 K0 T1 P1 A0 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. W1(MEASURED AT HUB)