* 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. thermal derating chart - i hold (amps) ambient operating temperature model -40 c -20 c0 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-lr190s 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-lr260s 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-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 mf-lr series - ptc resettable fuses 0144t electrical characteristics features axial leaded fully compatible with current industry standards weldable nickel terminals very low internal resistance operating currents to 9.0 amps rohs compliant* agency recognition: applications any application that requires protection at low resistances rechargeable battery packs cellular phones laptop computers i hold i trip initial max. time model v max. i max. resistance to trip volts amps amperes ohms ohms amperes seconds watts 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-lr190 15 100 1.90 3.90 0.039 0.072 0.102 9.5 5.0 1.2 mf-lr190s 15 100 1.90 3.90 0.039 0.072 0.102 9.5 5.0 1.2 mf-lr260 15 100 2.60 5.80 0.020 0.042 0.083 13.0 5.0 1.3 mf-lr260s 15 100 2.60 5.80 0.020 0.042 0.083 13.0 5.0 2.5 mf-lr380 15 100 3.80 8.30 0.013 0.026 0.037 19.0 5.0 2.5 MF-LR450 16 100 4.50 8.90 0.011 0.020 0.028 22.5 5.0 1.4 mf-lr550 10 100 5.50 10.50 0.009 0.019 0.022 27.5 5.0 1.4 mf-lr600 10 100 6.00 11.70 0.007 0.014 0.019 30.0 5.0 2.8 mf-lr730 10 100 7.30 14.10 0.006 0.012 0.015 30.0 5.0 3.0 mf-lr730/20* 20 100 7.30 14.10 0.006 0.012 0.015 30.0 5.0 3.0 mf-lr900/20* 20 100 9.00 16.70 0.006 0.010 0.014 45.0 5.0 3.0 1 hour (r 1 ) post-trip resistance tripped power dissipation operating/storage temperature ........................-40 ? to +85 ? maximum device surface temperature in tripped state ................................................125 ? passive aging......................................................+70 ?, 1000 hours ....................................?0 % typical resistance change humidity aging....................................................+85 ?, 85 % r.h. 7 days ..........................?0 % typic al resistance change vibration ..............................................................mil-std-883c, condition a ......................no change environmental characteristics test test conditions accept/reject criteria visual/mech. ......................................................verify dimensions and materials..................per mf physi cal description resistance ..........................................................in still air @ 23 ? ....................................... .rmin r r1max time to trip ........................................................at specified current, vmax, 23 ? ..............t max. time to trip (seconds) hold current ......................................................30 min. at ihold............................................n o trip trip cycle life ....................................................vmax, imax, 100 cycles ..............................no arcin g or burning trip endurance....................................................vmax, 48 hours ..........................................no ar cing or burning ul file number ..................................................e 174545s csa file number ................................................ca 110338 t?v file number ................................................r2057213 test procedures and requirements for model mf-lr series *rohs compliant t v rheinland *i trip is approximately two times i hold. * t?v recognition pending.
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. mf-lr series - ptc resettable fuses abcdf model min. max. min. max. min. max. min. max. min. max. mf-lr190 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 std. (0.783) (0.870) (0.193) (0.205) (0.024) (0.039) (0.217) (0.295) (0.154) (0.161) mf-lr190s 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 s (0.783) (0.870) (0.193) (0.205) (0.024) (0.039) (0.217) (0.295) (0.154) (0.161) mf-lr260 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 std. (0.823) (0.909) (0.193) (0.205) (0.024) (0.039) (0.161) (0.217) (0.154) (0.161) mf-lr260s 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 s (0.823) (0.909) (0.193) (0.205) (0.024) (0.039) (0.161) (0.217) (0.154) (0.161) mf-lr380 24.0 26.0 6.9 7.5 0.6 1.0 4.1 5.5 4.9 5.1 std. (0.945) (1.024) (0.272) (0.295) (0.024) (0.039) (0.161) (0.217) (0.193) (0.201) MF-LR450 24.0 26.0 9.9 10.5 0.6 1.0 5.3 6.7 5.9 6.1 std. (0.945) (1.024) (0.390) (0.414) (0.024) (0.039) (0.209) (0.264) (0.232) (0.240) mf-lr550 35.0 37.0 6.9 7.5 0.6 1.0 5.3 6.7 4.9 5.1 std. (1.378) (1.457) (0.272) (0.295) (0.024) (0.039) (0.209) (0.264) (0.193) (0.201) mf-lr600 24.0 26.0 13.9 15.9 0.6 1.0 4.1 5.5 5.9 6.1 std. (0.945) (1.024) (0.547) (0.626) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240) mf-lr730 30.0 29.1 13.9 15.0 0.6 1.0 4.1 5.5 5.9 6.1 std. (1.18) (1.146) (0.547) (0.590) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240) mf-lr730/20 27.1 29.1 13.9 14.5 0.6 1.0 4.1 5.5 5.9 6.1 std. (1.067) (1.146) (0.547) (0.571) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240) mf-lr900/20 45.4 47.6 7.9 8.5 0.6 1.3 4.6 9.2 5.9 6.1 std. (1.787) (1.874) (0.311) (0.335) (0.024) (0.051) (0.181) (0.362) (0.232) (0.240) product dimensions typical part marking represents total content. layout may vary. manufacturer's trademark part identification lot no. (t = taiwan s = china) lr190 0144t date code (first digit = last digit of year; next three digits = day of year) pkg. style f b d d c a f b d d a "s" style c slit nominal 0.5 (.020) 4.0 (.157) x standard style s style mm (inches) dimensions = packaging: bulk - 500 pcs. per bag. tape and reel - consult factory.
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. how to order mf - lr 730/20 s - 0 multifuse product designator series lr = axial leaded ?trap?component hold current, ihold/vmax* 190-900 (1.90 amps - 9.00 amps) lead option** s = slotted lead option packaging options -__ = bulk packaging designator for models mf-lr190 through mf-lr730 -0 = bulk packaging designator for models mf-lr730/20 and mf-lr900/20 -2 = tape and reel*** *vmax entry applies only to models mf-lr730/20 & mf-lr900/20. **slotted lead option applies only to models mf- lr190 & mf-lr260. ***packaged per eia 486-b mf-lr series, rev. o, 02/08 mf-lr series - ptc resettable fuses typical time to trip at 23 ?c .01 1 10 100 1 10 100 fault current (amps) time to trip (seconds) mf-lr190 mf-lr260 mf-lr380 MF-LR450 mf-lr550 mf-lr600 mf-lr730 & mf-lr730/20 mf-lr900/20
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. mf-s, mf-ls, mf-lr and mf-vs series tape and reel specifications reel dimensions taped component dimensions pasteboard hold pasteboard hold 4.0 0.2 (.157 .008) 2.0 (.079) radius dia. 1.0 + 0.1/ -0 (.039 + .004/-0) 5.56 0.10 (.219 .004) 4.0 0.1 (.157 .004) 12.0 0.1 (.472 .004) 48.0 0.3 (1.90 .012) 0.2 (.008) max. 8.0 0.2 (.315 .008) 13.0 (.512) dia. 330 (13.0)
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