specifications are subject to change without notice. customers should verify actual device performance in their specific applications. max. one hour max. interrupt hold initial post-trip operating ratings current resistance resistance model voltage volts amps amps ohms ohms ohms (vrms) (a) at at at at (vdc) 23 ? 23 ? 23 ? 23 ? max. max. i h min. max. max. mf-r008/250u 60 250 3.0 0.08 14.0 20.0 33.0 mf-r008/250 60 250 3.0 0.08 15.0 22.0 33.0 mf-r011/250u 60 250 3.0 0.11 5.0 9.0 16.0 mf-r012/250 60 250 3.0 0.12 4.0 8.0 16.0 mf-r012/250-a 60 250 3.0 0.12 7.0 9.0 16.0 mf-r012/250-c 60 250 3.0 0.12 5.5 7.5 14.0 mf-r012/250-f 60 250 3.0 0.12 6.0 10.5 16.0 mf-r012/250-1 60 250 3.0 0.12 6.0 9.0 16.0 mf-r012/250-2 60 250 3.0 0.12 8.0 10.5 16.0 mf-r012/250u 60 250 3.0 0.12 6.0 10.0 16.0 mf-r014/250 60 250 3.0 0.145 3.0 6.0 12.0 mf-r014/250-a 60 250 3.0 0.145 3.0 5.5 12.0 mf-r014/250-b 60 250 3.0 0.145 4.5 6.0 14.0 mf-r014/250u 60 250 3.0 0.145 3.5 6.5 12.0 mf-r018/250u 60 250 10.0 0.18 0.8 2.0 4.0 mf-r/250 series - telecom ptc resettable fuses electrical characteristics features radial leaded devices high ability to withstand lightning surges ideal lightning surge coordination device binned and sorted narrow resistance ranges available lead free option available agency recognition: applications customer premise equipment (cpe) central office / telecom centers (co) access equipment operating/storage temperature ..............................-40 ? to +85 ? maximum device surface temperature in tripped state......................................................125 ? passive aging ..........................................................+85 ?, 1000 hours ..................................... ...................?5 % typical resistance change +60?, 1000 hours ?5 % typical resistance change humidity aging ........................................................+85 ?, 85 % r.h. 500 hours .............................. ............?5 % typical resistance change thermal shock ........................................................mil-std-202f, method 107g, ................................ ........?0 % typical resistance change +125 ? to -55 ?,10 times ?5 % typical resistance change solvent resistance ..................................................mil-std-202, method 215b................................... .........no change lead solderability ....................................................ansi/j-std-002 ........................................... ...................>95 % coverage flammability ............................................................iec 695-2-2............................................ ..........................no flame for 60 secs. vibration ..................................................................mil-std-883c, method 2007.1, condition a............ ......? % typical resistance 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 ........................................................5 times ihold, vmax, 23 ?..........................t typical 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 ................................................r02057213 test procedures and requirements for model mf-r/250 series ??suffix indicates product without insulation coating. t v rheinland
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. a b c d e physical characteristics model max. max. max. min. max. lead dia. material mf-r008/250 7.5 11.5 5.1 0.7 5.0 4.8 0.65 sn/cu (0.295) (0.453) (0.201 0.028) (0.197) (0.189) (0.026) mf-r008/250u 6.2 11.5 5.1 0.7 5.0 3.8 0.65 sn/cu (0.244) (0.453) (0.201 0.028) (0.197) (0.150) (0.026) mf-r011/250u 6.2 11.5 5.1 0.7 5.0 3.8 0.65 sn/cu (0.244) (0.453) (0.201 0.028) (0.197) (0.150) (0.026) mf-r012/250 7.5 11.5 5.1 0.7 5.0 4.8 0.65 sn/cu (0.295) (0.453) (0.201 0.028) (0.197) (0.189) (0.026) mf-r012/250u 6.2 11.5 5.1 0.7 5.0 3.8 0.65 sn/cu (0.244) (0.453) (0.201 0.028) (0.197) (0.150) (0.026) mf-r014/250 7.5 11.5 5.1 0.7 5.0 4.8 0.65 sn/cu (0.295) (0.453) (0.201 0.028) (0.197) (0.189) (0.026) mf-r014/250u 6.2 11.5 5.1 0.7 5.0 3.8 0.65 sn/cu (0.244) (0.453) (0.201 0.028) (0.197) (0.150) (0.026) mf-r018/250u 10.4 12.6 5.1 0.7 5.0 3.8 0.65 sn/cu (0.409) (0.496) (0.201 0.028) (0.197) (0.150) (0.026) product dimensions packaging options: bulk: 500 pcs. per bag. tape & reel: 1500 pcs. per reel (not available with binned option). mf-r/250 series - telecom ptc resettable fuses mm (inches) dimensions = c d b e a typical part marking represents total content. layout may vary. r012 0180t manufacturer's trademark part identification date code (first digit = last digit of year; next three digits = day of year) country of manufacture (t = taiwan s = china) thermal derating chart - i hold (amps) ambient operating temperature model -40 ?c -20 ?c 0 ?c 23 ?c 40 ?c 50 ?c 60 ?c 70 ?c 85 ?c mf-r008/250 0.124 0.110 0.095 0.080 0.066 0.059 0.051 0.044 0.033 mf-r011/250u 0.171 0.151 0.131 0.110 0.091 0.081 0.071 0.061 0.046 mf-r012/250 0.186 0.165 0.143 0.120 0.099 0.088 0.077 0.066 0.050 mf-r014/250 0.255 0.199 0.172 0.145 0.119 0.106 0.093 0.080 0.060 mf-r018/250u 0.269 0.240 0.211 0.180 0.153 0.138 0.123 0.109 0.087 i trip is approximately two times i hold. additional features assists equipment with meeting itu-t k.20/k.21/k.45 assists equipment with meeting telcordia gr-1089-c intrabuilding
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. mf-r/250 series - telecom ptc resettable fuses how to order mf - r 012/250 u - a 05 - 2 - 99 multifuse product designator series r = radial leaded component hold current, ihold 008-018 (0.08 - 0.18 amps) max. interrupt voltage, v 250 (250 volts) telecom options u = uncoated (radial parts only) t = pre-tripped resistance sorted narrow resistance ranges resistance bins of 0.5 ohms 05 = 0.5 ohms packaging options - 0 = bulk packaging - 2 = tape and reel* (not available with binned option) lead free option __ = standard product - 99 = lead free *packaged per eia486-b typical time to trip at 23 ?c 1000 100 10 1 0.10 0.01 0 fault current (amps) time to trip (seconds) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 mf-r008/250 & mf-r008/250u mf-r011/250u mf-r018/250u mf-r012/250 & mf-r012/250u mf-r014/250 & mf-r014/250u mf-r/250, rev. e, 02/04 model rmin. rmax. r1max. bin mf-r012/250 4.0 8.0 16.0 0.5 mf-r012/250-a05 7.0 9.0 16.0 0.5 mf-r012/250-c05 5.5 7.5 14.0 0.5 mf-r012/250-f05 6.0 10.5 16.0 0.5 mf-r012/250-105 6.0 9.0 16.0 0.5 mf-r012/250-205 8.0 10.5 16.0 0.5 mf-r012/250u 6.0 10.0 16.0 0.5 mf-r014/250 3.0 6.0 12.0 0.5 mf-r014/250-a05 3.0 5.5 12.0 0.5 mf-r014/250-b05 4.5 6.0 12.0 0.5 mf-r014/250u 3.5 6.5 12.0 0.5 resistance options
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. devices taped using eia468?/iec286-2 standards. see table below and figures 1 and 2 for details. iec eia dimensions dimension description mark mark dimensions tolerance carrier tape width ww hold down tape width: mf-r/600 w4 min. hold down tape width: all others w4 ref. hold down tape w0 no protrusion top distance between tape edges w2 w6 max. sprocket hole position w1 w5 sprocket hole diameter d0 d0 abscissa to plane (straight lead) hh abscissa to plane (kinked lead) h0 h0 abscissa to top h1 h1 max. overall width w/lead protrusion c1 max. overall width w/o lead protrusion c2 max. lead protrusion i1 l1 max. protrusion of cutout ll max. protrusion beyond hold tape i2 i2 not specified sprocket hole pitch p0 p0 pitch tolerance 20 consecutive 1 device pitch: mf-r005 ?mf-r160 & mf-r/90 device pitch: mf-r185 ?mf-r400 & mf-r/600 device pitch: mf-rx110 ?mf-rx160 device pitch: mf-rx185 ?mf-rx375 device pitch: mf-r/250 & mf-rx/250 tape thickness tt max. tape thickness with splice t1 max. splice sprocket hole alignment 0 body lateral deviation ? h ? h 0 body tape plane deviation ? p ? p 0 lead seating plane deviation: mf-r/600* ? p1 p1 lead seating plane deviation ? p1 p1 0 lead spacing ff reel width ww max. reel diameter da max. space between flanges less device mf-r, mf-rx, mf-r/90, mf-r/250, mf-rx/250 & mf-r/600 series tape and reel specifications 18 (.709) -0.5/+1.0 (-0.02/+.039) 9 (.354) -0.5/+0.75 (-0.02/+0.03) 4 (.157) 0.2 (.0078) 18.5 (.728) 3.0 (.118) 16 (.63) 32.2 (1.268) 43.2 (1.7) 42.5 (1.673) 1.0 (.039) 11 (.433) 0.5 (.02) 12.7 (0.5) 12.7 (0.5) 12.7 (0.5) 25.4 (1.0) 12.7 (0.5) 12.7 (0.5) 0.9 (.035) 2.0 (.079) 3.81 (.015) 5.08 (0.2) 56 (2.205) 370 (14.57) 0.3 (.012) 0.3 (.012) 1.0 (.039) 1.3 (.051) 0.7 (.028) 0.7 (.028) 0.8 (.035) 4.75 (.187) 3.25 (.128) 5 (.197) 11 (.433) 3 (.118) dimensions = mm (inches) *differs from eia specification.
mf-r, mf-rx, mf-r/90, mf-r/250, mf-rx/250 & mf-r/600 series tape and reel specifications specifications are subject to change without notice. customers should verify actual device performance in their specific applications. t user direction of feed cross section a - b ? p ? p h h 1 reference plane w 0 h 0 w 1 w a b f d 0 p 0 i 1 i 2 l h 1 p 1 ? h ? h h w h f d reel upper side tape lower side user direction of feed reel dimensions - figure 2 taped component dimensions - figure 1 4.75 (.187) 3.25 (.128) 26 (1.024) 80 (3.15) 91 (3.58) 56 (2.2) 372 (14.6) 372 (14.6) 12.0 (.472) dimensions = mm (inches) iec eia dimensions dimension description mark mark dimensions tolerance space between flanges less device arbor hole diameter fc core diameter: mf-r, mf-rx, mf-r/90 & mf-r/250 hn max. core diameter: mf-rx/250 & mf-r/600 hn max. box: mf-r, mf-rx, mf-r/90 & mf-r/250 max. box: mf-rx/250 max. box: mf-r/600 max. consecutive missing places: mf-r, mf-rx, mf-r/90 & mf-r/250 3 max. consecutive missing places: mf-rx/250 & mf-r/600 none empty places per reel: mf-r, mf-rx, mf-r/90 & mf-r/250 not specified empty places per reel: mf-rx/250 & mf-r/600 0.1 % 67 (2.64) 372 (14.6) 362 (14.25) 64 (2.52) 372 (14.6) 362 (14.25)
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