PL IA NT CO M Features Applications Ultra-low resistance Battery packs *R oH S Small size Alternative shapes and sizes available on request Agency recognition RoHS compliant* MF-LL Series - PTC Resettable Fuse Electrical Characteristic V max. Volts Model MF-LL190 6 Typical Current Trip Limit I max. Amps Initial Resistance Values Amperes At 23 C 50 1 Hour (R1) Post-Trip Resistance mOhms At 23 C Max. Time To Trip mOhms At 23 C Amperes At 23 C Hold Trip Min. Max. Min. Max. 1.9 4.9 5 15 5 24 Tripped Power Dissipation Seconds At 23 C Watts At 23 C Typ. 9.5 2.0 1.0 Environmental Characteristics Operating/Storage Temperature .......................-40 C to +85 C Maximum Device Surface Temperature in Tripped State ................................................+125 C Storage Conditions ..........................................+40 C Max., 70 % RH Max., Packed in original packaging Test Procedures And Requirements For Model MF-LL Series Test Test Conditions Accept/Reject Criteria Humidity Aging ................................................. +60 C, 95 % R.H., 1000 Hours...........Typical resistance change +30 % to -30 % Passive Aging ................................................... +60 C, 1000 Hours .............................Typical resistance change +20 % to -20 % Low temp storage ............................................ -40 C, 1000 Hours ..............................Typical resistance change +5 % to -5 % Thermal Shock ................................................. +85 C to -40 C, 10 times...................Typical resistance change +5 % to -5 % Vibration ........................................................... MIL-STD-883D, Method 2026 .............Rmin<R<R1 max cUL File Number .............................................E 174545S How to Order Typical Time to Trip at 23 C MF - LL 190 __ - 0 100 Multifuse(R) Product Designator Series LL = Low Loss Hold Current, Ihold 190 (1.9 Amps) Time to Trip (Seconds) 10 Configuration Blank = Standard Packaging Option -0 = Bulk Packaging 1 Typical Part Marking 0.1 0.01 None. 1 10 Fault Current (Amps) *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 100 MF-LL Series - PTC Resettable Fuse Thermal Derating Chart - Ihold (Amps) Model MF-LL190 -20 C 0 C 23 C 2.90 2.50 1.90 Ambient Operating Temperature 40 C 50 C 1.50 1.30 60 C 70 C 85 C 1.10 0.90 0.50 Product Dimensions A B C D Model Min. Max. Min. Max. Min. Max. Min. Max. MF-LL190 15.2 (0.60) 16.8 (0.66) 2.96 (0.12) 3.26 (0.13) 0.6 (0.02) 1.1 (0.04) 2.3 (0.09) 2.5 (0.10) Packaging: Bulk - 1000 pcs. per bag. Leads: 1/2 Hardened Nickel 0.1 mm (.004 ") nominal thickness DIMENSIONS: MM (INCHES) A C B D COATING AREA 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 MF-LL SERIES, REV. E, 04/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Bourns: MF-LL190-0 MF-LL190KB-0 MF-LL190KA-0