LS 190 0144T Features Applications Axial/radialleaded Anyapplicationthatrequiresextraprotection atelevatedambienttemperatures,whichthe Fullycompatiblewithcurrentindustry 100Ctriptemperatureprovides. standards Rechargeablebatterypackprotection Weldablenickelterminals Cellularphones Verylowinternalresistance Laptopcomputers RoHScompliant* Agencyrecognition: MF-LS Series - PTC Resettable Fuses Electrical Characteristics 1 Hour (R ) Tripped 1 Initial Max. Time I I Post-Trip Power hold trip Resistance to Trip Resistance Dissipation V max. I max. Model Amperes Ohms Ohms Amperes Seconds Watts Volts Amps at 23 C at 23 C at 23 C at 23 C at 23 C at 23 C Hold Trip Min. Max. Max. Typ. MF-LS180 24 100 1.8 3.8 0.040 0.068 0.120 9 2.9 2.0 MF-LS180L 24 100 1.8 3.8 0.040 0.068 0.120 9 2.9 2.0 MF-LS190 24 100 1.9 4.2 0.030 0.057 0.100 10 3.0 1.9 MF-LS190RU 15 100 1.9 4.2 0.030 0.057 0.100 10 3.0 1.9 MF-LS260 24 100 2.6 5.2 0.025 0.042 0.076 13 5.0 2.3 MF-LS300 24 100 3.0 6.3 0.015 0.031 0.055 15 4.0 2.0 MF-LS340 24 100 3.4 6.8 0.016 0.027 0.050 17 5.0 2.7 Environmental Characteristics Additional Information Click these links for more information: Item Condition Criteria Operating/Storage -40 C to +85 C Temperature Maximum Device Surface PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT +125 C SELECTOR LIBRARY Temperature in Tripped State 10 % typical Passive Aging +85 C, 1000 hours resistance change 5 % typical Humidity Aging +85 C, 85 % R.H. 7 days resistance change MIL-STD-883C, Method 2007.1 Vibration No change Condition A Test Procedures And Requirements For Model MF-LS 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 UL File Number ............................................... E174545 TV File Number............................................. R2057213 *RoHS Directive 2015/863, Mar 31, 2015 and Annex. WARNING Specifications are subject to change without notice. Users should verify actual device performance in their specific Cancer and Reproductive Harm applications. Theproductsdescribedhereinandthisdocumentaresubjecttospecificlegaldisclaimersassetforthonthelast www.P65Warnings.ca.gov pageofthisdocument,andatwww.bourns.com/docs/legal/disclaimer.pdf. MF-LS Series - PTC Resettable Fuses Thermal Derating Chart - I I (Amps) hold/ trip Ambient Operating Temperature Model -40 C -20 C 0 C 23 C 40 C 50 C 60 C 70 C 85 C MF-LS180 3.10 / 6.54 2.60 / 5.49 2.20 / 4.64 1.80 / 3.80 1.30 / 2.74 1.10 / 2.32 0.90 / 1.90 0.60 / 1.27 0.20 / 0.42 MF-LS180L 3.10 / 6.54 2.60 / 5.49 2.20 / 4.64 1.80 / 3.80 1.30 / 2.74 1.10 / 2.32 0.90 / 1.90 0.60 / 1.27 0.20 / 0.42 MF-LS190 3.30 / 7.29 2.80 / 6.19 2.40 / 5.31 1.90 / 4.20 1.40 / 3.09 1.20 / 2.65 1.10 / 2.43 0.70 / 1.55 0.40 / 0.88 MF-LS190RU 3.30 / 7.29 2.80 / 6.19 2.40 / 5.31 1.90 / 4.20 1.40 / 3.09 1.20 / 2.65 1.10 / 2.43 0.70 / 1.55 0.40 / 0.88 MF-LS260 4.30 / 8.60 3.70 / 7.40 3.10 / 6.20 2.60 / 5.20 1.90 / 3.80 1.60 / 3.20 1.40 / 2.80 1.10 / 2.20 0.60 / 1.20 MF-LS300 5.10 / 10.7 4.40 / 9.24 3.70 / 7.77 3.00 / 6.30 2.30 / 4.83 1.90 / 3.99 1.60 / 3.36 1.20 / 2.52 0.60 / 1.26 MF-LS340 5.50 / 11.0 4.70 / 9.40 4.00 / 8.00 3.40 / 6.80 2.60 / 5.20 2.20 / 4.40 1.90 / 3.80 1.50 / 3.00 0.80 / 1.60 Product Dimensions A BCD F Pkg. Model Style Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. 24.0 26.0 4.9 5.2 0.6 1.0 4.1 5.5 3.8 4.1 MF-LS180 Std. (0.945) (1.024) (0.193) (0.205) (0.024) (0.039) (0.161) (0.217) (0.150) (0.161) 35.0 37.5 4.9 5.6 0.6 1.0 9.6 10.0 3.8 4.2 MF-LS180L Std. (1.38) (1.48) (0.193) (0.22) (0.024) (0.039) (0.38) (0.40) (0.150) (0.17) 21.3 23.4 10.2 11.0 0.5 1.1 5.0 7.6 4.8 5.4 MF-LS190 Std. (0.839) (0.921) (0.402) (0.433) (0.020) (0.043) (0.197) (0.299) (0.189) (0.213) 19.8 20.8 13.3 14.3 0.4 0.76 8.1 9.5 3.8 4.1 MF-LS190RU RU (0.780) (0.819) (0.524) (0.563) (0.016) (0.030) (0.319) (0.374) (0.150) (0.161) 24.0 26.0 10.8 11.9 0.6 1.0 5.0 7.0 5.9 6.1 MF-LS260 Std. (0.945) (1.024) (0.425) (0.469) (0.024) (0.039) (0.197) (0.276) (0.232) (0.240) 28.4 31.8 13.0 13.5 0.5 1.1 6.3 8.9 6.0 6.6 MF-LS300 Std. (1.118) (1.252) (0.512) (0.531) (0.020) (0.043) (0.248) (0.350) (0.236) (0.260) 24.0 26.0 14.8 15.9 0.6 1.0 4.0 5.0 6.0 6.1 MF-LS340 Std. (0.945) (1.024) (0.583) (0.626) (0.024) (0.039) (0.158) (0.197) (0.236) (0.240 Packaging: Bulk - 500 pcs. per bag. NOTE: Longer lead option available. Consult factory. MM DIMENSIONS: Tape and Reel - Consult factory. (INCHES) Standard Style RU Style Typical Part Marking A Represents total content. Layout may vary. MANUFACTURER S F TRADEMARK B PART IDENTIFICATION B LS180 0144T D D D LOT NO. DATE CODE (T = TAIWAN (FIRST DIGIT = C S = CHINA) LAST DIGIT OF YEAR NEXT THREE DIGITS = F F C DAY OF YEAR) Terminal material: quarter-hard nickel Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. A