Features n Surface mount packaging for automated n High power ratings assembly n Low profile n Agency recognition: n Compatible with Pb and Pb-free solder n Standard 7451 mm (2920 mils) footprint reflow profiles n RoHS compliant* and halogen free** MF-LSMF Series PTC Resettable Fuses Electrical Characteristics Tripped Max. Time Agency I I Resistance Power hold trip to Trip Recognition V I Dissipation max max Model at 23 C at 23 C at 23 C at 23 C cUL TV Ohms Watts Volts Amps Amps R R Amps Seconds Typ. E174545 R50256634 Min 1Max MF-LSMF075X 30 40 0.75 1.5 0.15 1.00 8.0 0.3 1.5 3 3 MF-LSMF110X 33 40 1.1 2.2 0.07 0.41 8.0 0.5 1.5 3 3 MF-LSMF125X 15 40 1.25 2.5 0.05 0.25 8.0 2.0 1.5 3 3 MF-LSMF125/33X 33 40 1.25 2.5 0.055 0.25 8.0 2.0 1.5 3 3 MF-LSMF150X 15 40 1.5 3.0 0.05 0.23 8.0 2.0 1.5 3 3 MF-LSMF150/33X 33 40 1.5 3.0 0.05 0.23 8.0 2.0 1.5 3 3 MF-LSMF185X 15 40 1.85 3.7 0.045 0.15 8.0 2.5 1.5 3 3 MF-LSMF185/24X 24 40 1.85 3.7 0.045 0.15 8.0 2.5 1.5 3 3 MF-LSMF185/33X 33 40 1.85 3.7 0.045 0.15 8.0 2.5 1.5 3 3 MF-LSMF200X 15 40 2.0 4.0 0.035 0.125 8.0 5.0 1.5 3 3 MF-LSMF200/24X 24 40 2.0 4.0 0.035 0.125 8.0 5.0 1.5 3 3 MF-LSMF260X 24 40 2.6 5.2 0.020 0.075 8.0 5.0 1.5 3 3 MF-LSMF260/6X 6 40 2.6 5.0 0.020 0.075 8.0 10 1.5 3 3 MF-LSMF260/16X 16 40 2.6 5.2 0.020 0.075 8.0 5.0 1.5 3 3 MF-LSMF300X 6 40 3.0 5.0 0.015 0.048 8.0 15 1.5 3 3 MF-LSMF300/16X 16 40 3.0 5.0 0.015 0.048 8.0 15 1.5 3 3 MF-LSMF300/24X 24 40 3.0 5.2 0.015 0.075 8.0 15 1.5 3 3 MF-LSMF330X 6 40 3.3 5.5 0.010 0.055 8.0 15 2.0 3 3 MF-LSMF330/12X 12 40 3.3 5.5 0.010 0.055 8.0 15 2.0 3 3 MF-LSMF330/16X 16 40 3.3 5.5 0.010 0.055 8.0 15 2.0 3 3 MF-LSMF330/24X 24 40 3.3 5.5 0.010 0.055 8.0 15 2.0 3 3 MF-LSMF400/16X 16 40 4.0 8.0 0.005 0.040 20 4.0 1.5 3 3 MF-LSMF500/16X 16 40 5.0 10.0 0.005 0.025 20 5.0 1.5 3 3 MF-LSMF600/12X 12 50 6.0 12.0 0.004 0.020 30 2.0 2.0 3 3 Environmental Characteristics Additional Information Click these links for more information: Item Condition Criteria Operating Temperature -40 C to +85 C Recommended Storage +40 C max. / 70 % R.H. max. PRODUCT TECHNICAL INVENTORY SAMPLES CONTACT 5 % typical SELECTOR LIBRARY Passive Aging +85 C, 1000 hours resistance change WARNING 5 % typical Humidity Aging +85 C, 85 % R.H. 1000 hours Cancer and Reproductive Harm resistance change www.P65Warnings.ca.gov 10 % typical * RoHS Directive 2015/863, Mar 31, 2015 and Annex. Thermal Shock -40 C to +85 C, 20 times resistance change ** Bourns considers a product to be halogen free if (a) the Bromine (Br) content is 900 ppm or less (b) No change the Chlorine (Cl) content is 900 ppm or less and (c) Solvent Resistance MIL-STD-202, Method 215 (marking still legible) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. MIL-STD-883C, Method 2007.1 No change Specifications are subject to change without notice. Vibration Condition A (R < R < R ) Users should verify actual device performance in their min 1max specific applications. The products described herein and Moisture Sensitivity Level (MSL) See Note this document are subject to specific legal disclaimers as set forth on the last page of this document, and at ESD Classication Class 6 (per AEC-Q200-2, HBM) www.bourns.com/docs/legal/disclaimer.pdf. RoHS COMPLIANT* & HALOGEN FREE** *RoHS COMPLIANT LEAD FREE LEAD FREE VERSIONS ARE RoHS COMPLIANT*Applications n Industrial controls n IEEE ports n Portable electronics MF-LSMF Series - PTC Resettable Fuses Test Procedures and Requirements Item Test Conditions 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 specified 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 , 48 hours No arcing or burning max Solderability 245 C 5 C, 5 seconds 95 % min. coverage Product Dimensions A B C D E Model Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF075X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF110X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF125X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF125/33X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF150X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF150/33X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF185X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF185/24X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.75 1.60 0.30 2.50 0.25 2.00 MF-LSMF185/33X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) (0.012) (0.098) (.010) (.079) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF200X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF200/24X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF260X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF260/6X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF260/16X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.35 0.85 MF-LSMF300X (0.265) (0.314) (0.189) (0.214) (0.014) (0.033) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF300/16X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 6.73 7.98 4.80 5.44 0.75 1.60 MF-LSMF300/24X (0.265) (0.314) (0.189) (0.214) (0.030) (0.063) 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.