Features Applications n Surface mount packaging for automated n Thermal protection for wearables, Li-ion & assembly polymer battery packs n PC motherboards Plug & Play protection n Tiny footprint size (0402) and low profile for space-constrained mobile applications n Mobile phones battery & charging protection n Ultra-low resistance, quick response n USB port protection n RoHS compliant* and halogen free** n Game console port protection n Agency recognition: MF-ASML/X Series - Low Ohmic PTC Resettable Fuses Electrical Characteristics Tripped I I Resistance Max. Time To Trip Power Agency Recognition hold trip Dissipation V max. I max. Model Watts at at 23 C at 23 C Ohms at 23 C cUL TV 23 C Typ. Volts Amps Amps R R Amps Seconds E174545 R50391579 min 1max MF-ASML010/6 6 50 0.10 0.3 0.15 3.0 0.5 1.0 0.5 3 3 MF-ASML020/6 6 50 0.20 0.5 0.10 1.6 1.0 1.0 0.5 3 3 MF-ASML035/6 6 50 0.35 0.7 0.05 0.85 8.0 0.1 0.5 3 3 MF-ASML050/6 6 50 0.50 1.0 0.04 0.50 8.0 0.1 0.5 3 3 Environmental Characteristics Item Condition Criteria Operating Temperature -40 C to +85 C Before Opening +40 C max. / 70 % RH max. Storage Condition After Opening +40 C max. / 10 % RH max. Consumption within 4 weeks at floor condition Floor Condition After Opening +30 C max. / 60 % RH max. Passive Aging +85 C, 1000 hours 10 % typical resistance change Humidity Aging +85 C, 85 % R.H. 24 hours 30 % typical resistance change Thermal Shock -40 C to +85 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 Condition A No change (R < R < R ) min 1max Moisture Sensitivity Level (MSL) See Note ESD Classication Class 6 (per AEC-Q200-2, HBM) Test Procedures and Requirements Item Test Condition Accept/Reject Criteria Visual/Mechanical Verify dimensions and materials Per MF physical description Resistance In still air 23 C R R R min max Time to Trip At specied current, V , 23 C, still air T max. time to trip (seconds) max Hold Current 30 min. at I , still air No trip hold Trip Cycle Life V , I , 100 cycles No arcing or burning max max Trip Endurance V , I , 48 hours No arcing or burning max max Solderability 245 C 5 C, 5 seconds 95 % min. coverage 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-ASML/X Series Low Ohmic PTC Resettable Fuses MF-NSMF Series - PTC Resettable Fuses Product Dimensions A B C D E Model Style Min. Max. Min. Max. Min. Max. Min. Min. MF-ASML010/6 1 MF-ASML020/6 2 0.85 1.15 0.35 0.65 0.20 0.60 0.10 0.03 (0.033) (0.045) (0.014) (0.026) (0.008) (0.024) (0.004) (0.0012) MF-ASML035/6 2 MF-ASML050/6 2 Style 1 Recommended Pad Layout Top View Side View Bottom View Terminal material: ENIG-plated terminals C D E A 0.60 0.60 (.024) (.024) B 0.70 (.028) 0.40 (.016) Style 2 MM Top View Side View Bottom View DIMENSIONS: (INCHES) C D E A B Packaging Quantity 10,000 pcs. per reel 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-ASML035/6 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.04 MF-ASML035/6 0.32 0.28 0.24 0.20 0.16 0.14 0.12 0.10 0.08 MF-ASML035/6 0.56 0.49 0.42 0.35 0.28 0.24 0.21 0.17 0.14 MF-ASML050/6 0.80 0.70 0.60 0.50 0.40 0.35 0.30 0.25 0.20 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.