MF-LR260 Bourns

8144S Features Applications n Axial leaded Any application that requires protection at low resistances: n Weldable nickel terminals n Rechargeable battery pack protection n Very low internal resistance n Cellular phones n Operating currents to 9.0 amps n Laptop computers n RoHS compliant* n Agency recognition: MF-LR Series - PTC Resettable Fuses 3006 - Trimpot Trimming Potentiometer Electrical Characteristics 1 Hour Tripped Initial Max. Time Post-Trip Power I I Agency Recognition hold trip Resistance to Trip Dissipation Resistance V I max max Model at 23 C at 23 C at 23 C at 23 C at 23 C cUL TV (Ohms) (Ohms) (Watts) Volts Amps Amps Amps R R R Amps Seconds Typ. E174545 R50410733 min max 1max. MF-LR190 15 100 1.9 3.9 0.039 0.072 0.102 9.5 5.0 1.2 3 3 MF-LR260 15 100 2.6 5.8 0.020 0.042 0.083 13.0 5.0 1.3 3 3 MF-LR380 15 100 3.8 8.3 0.013 0.026 0.037 19.0 5.0 2.5 3 3 MF-LR450 16 100 4.5 8.9 0.011 0.020 0.028 22.5 5.0 1.4 3 3 MF-LR550 10 100 5.5 10.5 0.009 0.016 0.022 27.5 5.0 1.4 3 3 MF-LR550/20 20 100 5.5 10.5 0.009 0.016 0.022 27.5 5.0 1.4 3 Pending MF-LR600 10 100 6.0 11.7 0.007 0.014 0.019 30.0 5.0 2.8 3 3 MF-LR730 10 100 7.3 14.1 0.006 0.012 0.015 30.0 5.0 3.0 3 3 MF-LR730/20 20 100 7.3 14.1 0.006 0.012 0.015 30.0 5.0 3.0 3 Pending MF-LR900/20 20 100 9.0 16.7 0.006 0.010 0.014 45.0 5.0 3.0 3 Pending Environmental Characteristics Operating Temperature .................................... -40 C to +85 C Recommended Storage................................... +40 C max. / 70 % RH max. Passive Aging .................................................. +70 C, 1000 hours ...........................................10 % typical resistance change Humidity Aging................................................. +85 C, 85% R.H. 7 days ..................................10 % typical resistance change Vibration .......................................................... MIL-STD-883C, .................................................Rmin R R1max Method 2007.1, Condition A Moisture Sensitivity Level (MSL) ..................... See Note ESD Classification ........................................... Class 6 (per AEC-Q200-2, HBM) 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 .............................................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 WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar 31, 2015 and Annex. 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-LR Series - PTC Resettable Fuses 3312 - 2 mm SMD Trimming Potentiometer 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-LR190 2.8 2.5 2.3 1.9 1.6 1.5 1.4 1.2 1.0 MF-LR260 3.8 3.4 3.1 2.6 2.2 2.0 1.9 1.7 1.4 MF-LR380 5.5 4.9 4.4 3.8 3.3 3.0 2.8 2.5 2.1 MF-LR450 6.5 5.8 5.3 4.5 3.9 3.6 3.3 2.9 2.5 MF-LR550 8.0 7.1 6.2 5.5 4.7 4.3 4.0 3.6 3.0 MF-LR550/20 8.0 7.1 6.2 5.5 4.7 4.3 4.0 3.6 3.0 MF-LR600 8.7 7.8 7.1 6.0 5.2 4.7 4.4 3.9 3.3 MF-LR730 10.5 9.5 8.6 7.3 7.4 6.8 6.2 5.5 4.5 MF-LR730/20 10.5 9.5 8.6 7.3 7.4 6.8 6.2 5.5 4.5 MF-LR900/20 12.7 11.4 10.0 9.0 7.5 6.8 6.2 5.5 4.5 I is approximately two times I . trip hold Product Dimensions A B C D F Model Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 MF-LR190 (0.783) (0.870) (0.193) (0.205) (0.024) (0.039) (0.217) (0.295) (0.154) (0.161) 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 MF-LR260 (0.823) (0.909) (0.193) (0.205) (0.024) (0.039) (0.161) (0.217) (0.154) (0.161) 24.0 26.0 6.9 7.5 0.6 1.0 4.1 5.5 4.9 5.1 MF-LR380 (0.945) (1.024) (0.272) (0.295) (0.024) (0.039) (0.161) (0.217) (0.193) (0.201) 24.0 26.0 9.9 10.5 0.6 1.0 5.3 6.7 5.9 6.1 MF-LR450 (0.945) (1.024) (0.390) (0.414) (0.024) (0.039) (0.209) (0.264) (0.232) (0.240) 35.0 37.0 6.9 7.5 0.6 1.0 5.3 6.7 4.9 5.1 MF-LR550 (1.378) (1.457) (0.272) (0.295) (0.024) (0.039) (0.209) (0.264) (0.193) (0.201) 35.0 37.0 6.9 7.5 0.6 1.0 5.3 6.7 4.9 5.1 MF-LR550/20 (1.378) (1.457) (0.272) (0.295) (0.024) (0.039) (0.209) (0.264) (0.193) (0.201) 24.0 26.0 14.8 15.9 0.6 1.0 4.1 5.5 5.9 6.1 MF-LR600 (0.945) (1.024) (0.583) (0.626) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240) 28.0 30.0 14.0 15.0 0.6 1.0 4.8 5.7 5.9 6.1 MF-LR730 (1.102) (1.181) (0.551) (0.590) (0.024) (0.039) (0.189) (0.224) (0.232) (0.240) 27.1 29.1 13.9 14.5 0.6 1.0 4.1 5.5 5.9 6.1 MF-LR730/20 (1.067) (1.146) (0.547) (0.571) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240) 45.4 47.6 7.9 8.5 0.6 1.3 4.6 9.2 5.9 6.1 MF-LR900/20 (1.787) (1.874) (0.311) (0.335) (0.024) (0.051) (0.181) (0.362) (0.232) (0.240) 0.5 4.0 Standard Style Style SLIT X NOMINAL (.020) (.157) MM A A DIMENSIONS: (INCHES) F F B B D D D D C C 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.