* 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. MF-RHT series - ptc resettable fuses max. time tripped i hold i trip to trip power resistance dissipation model amperes ohms amperes seconds watts v max. i max. at 23 c at 23 c at 23 c at 23 c at 23 c volts amps hold trip r min. r 1max. max. typ. (post trip) MF-RHT070 16 40 0.7 1.4 0.3 0.8 3.5 4.0 1.4 MF-RHT200 16 100 2.0 3.8 0.045 0.110 12.5 3.0 1.4 MF-RHT450 16 100 4.5 7.8 0.022 0.054 22.5 3.0 3.6 MF-RHT650 16 100 6.5 12.0 0.011 0.026 32.5 5.5 4.3 MF-RHT750 16 100 7.5 13.1 0.0094 0.022 37.5 7.0 4.5 MF-RHT1300 16 100 13.0 24.0 0.0041 0.010 60.0 13.0 6.9 electrical characteristics rh 7 5 0 4 1 8 0 s features operating temperature range up to 125 ? low thermal derating factor higher hold currents at elevated temperature choice of operating currents rohs compliant* and pb free applications protection of automotive circuitry including engine control modules overcurrent surge protection of electronic equipment required to operate at high operating temperature ranges resettable fault protection of general electronic equipment thermal derating chart - i hold (amps) operating temperature..............................................................-40 ? to +125 ? storage temperature ................................................................-40 ? to +85 ? passive aging ............................................................................+85 ?, 1000 hours .................... ......................................?5 % typical resistance change humidity aging ..........................................................................+85 ?, 85 % r.h. 1000 hours ........... .............................?5 % typical resistance change thermal shock ..........................................................................mil-std-202, method 107, ................ ............................?0 % typical resistance change +125 ? to -40 ?,10 cycles vibration ....................................................................................mil-std-883c, method 2007.1, condi tion a..................no change environmental characteristics test test conditions accept/reject criteria visual/mech. ......................................verify dimensions and materials ............................................pe r mf physical 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 ............................................................. .........no trip trip cycle life ....................................vmax, imax, 100 cycles ...................................................... ..no arcing or burning trip endurance ..................................vmax, 48 hours................................................................. .....no arcing or burning solderability ......................................mil-std-202, method 208....................................................9 5 % min. coverage test procedures and requirements for model MF-RHT series ambient operating temperature model -40 c -20 c0 c 23 c 40 c 50 c 60 c 70 c 85 c 125 c MF-RHT070 0.95 0.87 0.79 0.7 0.62 0.56 0.51 0.47 0.39 0.17 MF-RHT200 2.71 2.49 2.26 2.00 1.77 1.60 1.46 1.34 1.11 0.49 MF-RHT450 6.1 5.6 5.1 4.5 4.0 3.6 3.3 3.0 2.5 1.1 MF-RHT650 8.8 8.1 7.4 6.5 5.7 5.3 4.8 4.3 3.6 1.6 MF-RHT750 10.2 9.4 8.6 7.5 6.6 6.1 5.6 5.0 4.1 1.9 MF-RHT1300 17.7 16.3 14.8 13.0 11.4 10.5 9.6 8.6 7.2 3.3 circuit protection division asia-pacific: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com *rohs compliant
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. typical time to trip at 23 c MF-RHT series, rev. c, 11/05 product dimensions e b d a cf style 1 mm (inches) MF-RHT series - ptc resettable fuses packaging: bulk: 500 pcs. per bag tape & reel: MF-RHT070 ~ MF-RHT200 = 3000 pcs. per reel; MF-RHT450 ~ MF-RHT650 = 1500 pcs. per reel; MF-RHT750 ~ MF-RHT1300 = 1 000 pcs. per reel ammo-pack: MF-RHT070 ~ MF-RHT200 = 2000 pcs. per pack; MF-RHT450 ~ MF-RHT750 = 1000 pcs. per pack; MF-RHT1300 = 500 pcs. per pac k units = typical part marking represents total content. layout may vary. rh750 4180s manufacturer's trademark part identification country of manufacture (s = china) date code (first digit = last digit of year; next three digits = day of year) example: 4180 = 2004 day 180 how to order mf - rht 750 - __ multifuse product designator series rht = high temperature radial leaded component hold current, ihold 070 - 1300 (0.70 - 13.00 amps) packaging options - = bulk packaging - 2 = tape and reel* - ap = ammo-pak* *packaged per eia 486-b the time to trip curves represent typical perfor- mance of a device in a simulated application environment. actual performance in specific customer applications may differ from these values due to the influence of other variables. a b c d e f physical characteristics model max. max. nom. tol. min. max. nom. style material MF-RHT070 6.86 10.8 5.1 0.7 7.6 3.0 0.51 1 sn/cufe (0.27) (0.425) (0.201) (0.028) (0.30) (0.12) (0.020) MF-RHT200 9.4 14.0 5.1 0.7 7.6 3.0 0.51 1 sn/cu (0.37) (0.55) (0.201) (0.028) (0.30) (0.12) (0.020) MF-RHT450 10.4 15.6 5.1 0.7 7.6 3.0 0.81 2 sn/cu (0.41) (0.61) (0.201) (0.028) (0.30) (0.12) (0.032) MF-RHT650 12.7 22.2 5.1 0.7 7.6 3.0 0.81 2 sn/cu (0.50) (0.88) (0.201) (0.028) (0.30) (0.12) (0.032) MF-RHT750 14.0 23.5 5.1 0.7 7.6 3.0 0.81 2 sn/cu (0.55) (0.93) (0.201) (0.028) (0.30) (0.12) (0.032) MF-RHT1300 23.5 28.7 10.2 0.7 7.6 3.6 1.0 2 sn/cu (0.925) (1.17) (0.402) (0.028) (0.30) (0.14) (0.040) 0.01 0.1 1 10 100 1 10 100 fault cu rrent (amps) time to trip (seconds) MF-RHT070 MF-RHT200 MF-RHT450 MF-RHT1300 MF-RHT650 MF-RHT750 0.51 (24awg) 0.81 (20awg) 1.0 (18awg) a e b d c style 2 f
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. devices taped using eia468?/iec60286-2 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: w 0 w 4 min. hold down tape no protrusion top distance between tape edges w 2 w 6 max. sprocket hole position w 1 w 5 sprocket hole diameter d 0 d 0 abscissa to plane (straight lead) hh abscissa to plane (kinked lead) h 0 h 0 abscissa to top: MF-RHT070 ~ MF-RHT450 h 1 h 1 max. abscissa to top: MF-RHT650 ~ MF-RHT1300 h 1 h 1 max. overall width w/lead protrusion: MF-RHT070 ~ MF-RHT450 c 1 max. overall width w/lead protrusion: MF-RHT650 ~ MF-RHT1300 c 1 max. overall width w/o lead protrusion: MF-RHT070 ~ MF-RHT450 c 2 max. overall width w/o lead protrusion: MF-RHT650 ~ MF-RHT1300 c 2 max. lead protrusion i 1 l 1 max. protrusion of cutout ll max. protrusion beyond hold tape i 2 i 2 not specified sprocket hole pitch p 0 p 0 pitch tolerance 20 consecutive 1 device pitch: MF-RHT070 ~ MF-RHT450 device pitch: MF-RHT650 ~ MF-RHT1300 tape thickness tt max. tape thickness with splice: MF-RHT070 t 1 max. tape thickness with splice: MF-RHT450 ~ MF-RHT1300 t 1 max. splice sprocket hole alignment body lateral deviation ? h ? h 0 body tape plane deviation ? p ? p 0 ordinate to adjacent component lead p 1 p 1 lead spacing: MF-RHT070 ~ MF-RHT750 ff lead spacing: MF-RHT1300 ff reel width: MF-RHT070 ~ MF-RHT450 ww 2 max. reel width: MF-RHT650 ~ MF-RHT1300 ww 2 max. MF-RHT 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) 45.0 (1.837) 32.2 (1.268) 55.0 (2.165) 42.5 (1.673) 54.0 (2.126) 42.5 (1.673) 1.0 (.039) 11 (.433) 0.5 (.02) 12.7 (0.5) 12.7 (0.5) 25.4 (1.0) 0.9 (.035) 1.5 (.059) 2.3 (.091) 5.08 (0.2) 56 (2.20) 63.5 (2.50) 0.3 (.012) 0.3 (.012) 0.6 (.024) 1.0 (.039) 0.3 (.012) -0.2/+0.8 (-.006/+.031) 10.2 (0.402) -0.2/+0.8 (-.006/+.031) 11 (.433) 3 (.118) dimensions = mm (inches) 4.0 (0.157) 0.2 (.008) 3.81 (0.15) 0.07 (.028)
iec eia dimensions dimension description mark mark dimensions tolerance reel diameter da max. space between flanges less device w 1 h arbor hole diameter fc core diameter hn max. box consecutive missing places 3 max. empty places per reel not specified MF-RHT 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 26 (1.024) 80 (3.15) 12.0 (.472) dimensions = mm (inches) 64 (2.52) 372 (14.6) 372 (14.6) 370 (14.57) 4.75 (.187) 3.25 (.128)
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