Features Applications n Surface mount packaging for automated n Thermal protection for Li-ion & polymer assembly battery packs n Power delivery port protection n Small footprint size (1206) and low profile for space-constrained mobile applications n USB port protection n Ultra-low resistance n PC motherboards - Plug & Play protection n Utilizes innovative freeXpansion design n Mobile phones - Battery & charging protection n RoHS compliant* and halogen free** n Game console port protection n Agency recognition: MF-NSML/X Series - Low Ohmic PTC Resettable Fuses Electrical Characteristics Tripped Max. Time I I Resistance Power hold trip To Trip Dissipation V max. I max. Model Amps Amperes Ohms Amperes Seconds Watts Volts at 23 C at 23 C at 23 C at 23 C at 23 C R R Hold Trip Typ. Min. 1Max. MF-NSML150/12 12 50 1.50 3.00 0.010 0.065 8.00 5.00 1.00 MF-NSML175/12 12 50 1.75 3.50 0.006 0.050 8.00 5.00 1.00 MF-NSML200/12 12 50 2.00 4.00 0.005 0.040 8.00 5.00 1.00 MF-NSML260/12 12 50 2.60 5.20 0.004 0.030 8.00 5.00 1.00 MF-NSML300/12 12 50 3.00 6.00 0.003 0.024 8.00 5.00 1.00 MF-NSML350/12 12 50 3.50 7.00 0.002 0.022 8.00 5.00 1.00 MF-NSML380/12 12 50 3.80 7.60 0.002 0.020 8.00 5.00 1.00 MF-NSML400/12 12 50 4.00 8.00 0.002 0.018 10.0 5.00 1.00 MF-NSML450/12 12 50 4.50 9.00 0.002 0.014 22.5 2.00 1.00 Environmental Characteristics Operating Temperature ......................................... -40 C to +85 C Storage Condition Before Opening ............................................... +40 C max. / 70 % RH max. After Opening................................................... +40 C max. / 10 % RH max. Floor Condition After Opening .............................. Consumption within 4 weeks at floor condition +30 C max. / 60 % RH max. Passive Aging ....................................................... +85 C, 1000 hours ............................................... 10 % typical resistance change Humidity Aging...................................................... +85 C, 85 % R.H. 100 hours ............................... 15 % typical resistance change Thermal Shock ..................................................... +85 C to -40 C, 20 times .................................... 30 % typical resistance change Solvent Resistance ............................................... MIL-STD-202, Method 215 ................................... No change (marking still legible) Vibration ............................................................... MIL-STD-883C, Method 2007.1, ........................... No change (R <R<R ) min 1max Condition A Moisture Sensitivity Level (MSL) .......................... See Note ESD Classification - HBM ..................................... 6 Test Procedures and Requirements Test Test Conditions Accept/Reject Criteria Visual/Mech........................................................ Verify dimensions and materials ........................... Per MF physical description Resistance ............................................................ In still air 23 C ................................................. R R R min 1max Time to Trip ........................................................... At specified current, Vmax, 23 C ......................... T max. time to trip (seconds) Hold Current ......................................................... 30 min. at I ...................................................... No trip hold Trip Cycle Life ....................................................... V , I , 100 cycles.......................................... No arcing or burning max max Trip Endurance ..................................................... V , 48 hours ..................................................... No arcing or burning max Solderability .......................................................... 245 C 5 C, 5 seconds ...................................... 95 % min. coverage cUL File Number ................................................... E174545 TV Certificate Number ....................................... R 50391579 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** 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. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.MF-NSML/X Series - Low Ohmic PTC Resettable Fuses MF-NSMF Series - PTC Resettable Fuses Product Dimensions A B C D E Model Min. Max. Min. Max. Min. Max. Min. Min. Max. MF-NSML150/12 3.00 3.50 1.40 1.80 0.40 0.70 0.25 0.05 0.45 MF-NSML175/12 (0.118) (0.138) (0.055) (0.071) (0.016) (0.028) (0.010) (0.002) (0.018) MF-NSML200/12 3.00 3.50 1.40 1.80 0.40 1.00 0.25 0.05 0.45 MF-NSML260/12 (0.118) (0.138) (0.055) (0.071) (0.016) (0.039) (0.010) (0.002) (0.018) MF-NSML300/12 3.00 3.50 1.40 1.80 0.40 1.40 0.25 0.05 0.45 MF-NSML350/12 (0.118) (0.138) (0.055) (0.071) (0.016) (0.055) (0.010) (0.002) (0.018) MF-NSML380/12 3.00 3.50 1.40 1.80 0.60 1.40 0.25 0.05 0.45 MF-NSML400/12 (0.118) (0.138) (0.055) (0.071) (0.024) (0.055) (0.010) (0.002) (0.018) MF-NSML450/12 MM DIMENSIONS: (INCHES) Profile Feature Pb-Free Assembly Top View Side View Bottom View Recommended Pad Layout A C D E Average Ramp-Up Rate (Ts to T ) 3 C / second max. max p 1.0 0.05 1.0 0.05 (.039 .002) (.039 .002) PREHEAT: Terminal material: Temperature Min. (Ts ) 150 C min 1.6 0.1 B ENIG-plated terminals Temperature Max. (Ts ) 200 C (.063 .004) max Time (Ts to Ts ) (ts) 60~180 seconds min max 2.0 0.1 TIME MAINTAINED ABOVE: (.079 .004) Temperature (T ) 217 C L Time (t ) 60~150 seconds L Peak Temperature (T ) 260 C Packaging Quantity p Time within 5 C of Actual Peak Temperature (t ) 20~40 seconds p MF-NSML150/12~MF-NSML260/12 = 5000 pcs. per reel Ramp-Down Rate 6 C / second max. MF-NSML300/12~MF-NSML450/12 = 3500 pcs. per reel Time 25 C to Peak Temperature 8 minutes max. Thermal Derating Table - I (Amps) hold Ambient Operating Temperature Model -40 C -20 C 0 C 23 C 40 C 50 C 60 C 70 C 85 C MF-NSML150/12 2.20 2.00 1.77 1.50 1.28 1.15 1.07 0.85 0.70 MF-NSML175/12 2.57 2.33 2.07 1.75 1.49 1.34 1.24 1.00 0.80 MF-NSML200/12 2.94 2.65 2.35 2.00 1.70 1.53 1.42 1.14 0.93 MF-NSML260/12 3.82 3.46 3.07 2.60 2.21 1.95 1.85 1.48 1.20 MF-NSML300/12 4.41 3.99 3.54 3.00 2.55 2.32 2.13 1.71 1.38 MF-NSML350/12 5.25 4.66 4.13 3.50 2.98 2.71 2.49 2.00 1.65 MF-NSML380/12 5.59 5.05 4.48 3.80 3.23 2.95 2.60 2.15 1.75 MF-NSML400/12 5.80 5.25 4.65 4.00 3.40 3.10 2.65 2.20 1.80 MF-NSML450/12 6.10 5.40 4.70 4.50 3.60 3.15 2.70 2.25 1.85 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.