* 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. electrical characteristics 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. typ. MF-USMF005 30 10 0.05 0.15 2.800 50.000 0.25 1.50 0.6 MF-USMF010 30 10 0.10 0.30 0.800 15.000 0.50 0.60 0.6 MF-USMF020 30 10 0.20 0.40 0.400 5.000 8.00 0.02 0.6 MF-USMF035 6 40 0.35 0.75 0.200 1.300 8.00 0.20 0.6 MF-USMF050 13.2 40 0.50 1.00 0.180 0.900 8.00 0.10 0.6 MF-USMF075 6 40 0.75 1.50 0.070 0.450 8.00 0.10 0.6 MF-USMF110 6 40 1.10 2.20 0.050 0.210 5.00 1.00 0.6 MF-USMF150* 6 40 1.50 3.00 0.030 0.110 5.00 5.00 0.6 operating temperature ......................................-40 ? to +85 ? maximum device surface temperature in tripped state ................................................125 ? passive aging......................................................+85 ?, 1000 hours ....................................? % t ypical resistance change humidity aging....................................................+85 ?, 85 % r.h. 1000 hours ..................? % typical re sistance change thermal shock ....................................................+85 ? to -40 ?, 20 times ........................?0 % typica l resistance change solvent resistance ............................................mil-std-202, method 215 ........................no change vibration ..............................................................mil-std-883c, method 2007.1, ................no change condition a 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 ..............................................................no trip trip cycle life ................................vmax, imax, 100 cycles ..................................................no arcin g or burning trip endurance ................................vmax, 48 hours ..............................................................no ar cing or burning solderability ....................................ansi/j-std-002 ............................................................95 % min. coverage ul file number ..................................e174545 http://www.ul.com/ follow link to certifications, then ul file no., enter e174545 csa file number ..............................ca110338 http://directories.csa-international.org/ under ?ertification record?and ?ile number?enter 110338-0-000 t?v certificate number ....................r 02057213 http://www.tuvdotcom.com/ follow link to ?ther certificates? enter file no. 2057213 test procedures and requirements for model MF-USMF series MF-USMF series - ptc resettable fuses features fast tripping resettable circuit protection surface mount packaging for automated assembly small footprint size (1210) rohs compliant* agency recognition*: applications game consoles pc motherboards usb current-limiting compliance ieee 1394 ports mobile phones digital cameras 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-USMF005 0.08 0.07 0.06 0.05 0.04 0.04 0.03 0.03 0.02 MF-USMF010 0.15 0.13 0.12 0.10 0.09 0.08 0.07 0.06 0.05 MF-USMF020 0.32 0.28 0.24 0.20 0.18 0.16 0.14 0.12 0.10 MF-USMF035 0.51 0.46 0.40 0.34 0.30 0.27 0.24 0.22 0.18 MF-USMF050 0.76 0.66 0.58 0.48 0.42 0.38 0.35 0.29 0.23 MF-USMF075 1.10 0.97 0.86 0.72 0.64 0.58 0.55 0.47 0.39 MF-USMF110 1.60 1.42 1.26 1.10 0.94 0.86 0.80 0.70 0.58 MF-USMF150 2.30 2.02 1.76 1.43 1.24 1.11 1.00 0.85 0.65 t v rheinland *rohs compliant *ul approval pending.
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. product dimensions packaging: 3000 pcs. per reel. MF-USMF series - ptc resettable fuses abcd model min. max. min. max. min. max. min. MF-USMF005 3.00 3.43 2.35 2.80 0.80 1.1 0.30 (0.118) (0.135) (0.093) (0.110) (0.031) (0.043) (0.012) MF-USMF010 3.00 3.43 2.35 2.80 0.80 1.1 0.30 (0.118) (0.135) (0.093) (0.110) (0.031) (0.043) (0.012) MF-USMF020 3.00 3.43 2.35 2.80 0.80 1.1 0.30 (0.118) (0.135) (0.093) (0.110) (0.031) (0.043) (0.012) MF-USMF035 3.00 3.43 2.35 2.80 0.55 0.85 0.30 (0.118) (0.135) (0.093) (0.110) (0.022) (0.033) (0.012) MF-USMF050 3.00 3.43 2.35 2.80 0.55 0.85 0.30 (0.118) (0.135) (0.093) (0.110) (0.022) (0.033) (0.012) MF-USMF075 3.00 3.43 2.35 2.80 0.55 0.85 0.30 (0.118) (0.135) (0.093) (0.110) (0.022) (0.033) (0.012) MF-USMF110 3.00 3.43 2.35 2.80 0.55 0.85 0.30 (0.118) (0.135) (0.093) (0.110) (0.022) (0.033) (0.012) MF-USMF150 3.00 3.43 2.35 2.80 0.40 0.85 0.30 (0.118) (0.135) (0.093) (0.110) (0.016) (0.033) (0.012) mm (inches) unit = terminal material: electroless ni under immersion au termination pad solderability: standar d au finish: meets ansi/j-std-002 category 2. recommended storage: 40 ? max./70 % rh max. a b c top and bottom view side view d recommended pad layout 2.5 ?0.1 (.098 ?.004) 2.0 ?0.1 (.079 ?.004) 1.0 ?0.05 (.039 ?.002) 1.0 ?0.05 (.039 ?.002) 160?20 300 250 200 150 100 50 0 10?0 temperature ( c) 120 preheating soldering cooling time (seconds) notes: MF-USMF models cannot be wave soldered. if reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. compatible with pb and pb-free solder reflow profiles. solder reflow recommendations
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. how to order mf - usmf 010 - 2 multifuse product designator series usmf = 1210 surface mount component hold current, i hold 005-150 (0.05-1.50 amps) packaging packaged per eia 481-1 -2 = tape and reel typical time to trip at 23 c MF-USMF series - ptc resettable fuses typical part marking represents total content. layout may vary. part identification: MF-USMF005 = 0 MF-USMF010 = 1 MF-USMF020 = 2 MF-USMF035 = 3 MF-USMF050 = 4 MF-USMF075 = 5 MF-USMF110 = 6 MF-USMF150 = 8 biweekly date code: week 1 and 2 = a week 51 and 52 = z 6 a 0.001 0.01 0.1 1 10 100 0.1 1 10 100 fault current (amps) time to trip (seconds) MF-USMF010 MF-USMF035 MF-USMF050 MF-USMF150 MF-USMF110 MF-USMF075 MF-USMF005 the time to trip curves represent typical performance 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. MF-USMF series, rev. c, 01/06 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
MF-USMF series tape dimensions per eia 481-2 w p 0 p 1 p 2 a 0 b 0 b 1 max. d 0 f e 1 e 2 min. t max. t 1 max. k 0 leader min. trailer min. reel dimensions a max. n min. w 1 w 2 max. MF-USMF series tape and reel specifications b 1 n(hub dia.) (measured at hub) a t cover tape k 0 t 1 a 0 w 2 (measured at hub) w 1 p 1 b 0 f d 0 p 2 p 0 e 2 e 1 w unit = mm (inches) 8.0 0.3 (0.315 0.012) 4.0 0.1 (0.157 0.004) 4.0 0.1 (0.157 0.004) 2.0 0.05 (0.079 0.002) 2.76 0.10 (0.109 0.004) 3.50 0.10 (0.138 0.004) 3.5 0.05 (0.138 0.002) 1.75 0.10 (0.069 0.004) 1.07 0.10 (0.042 0.004) 1.5 + 0.1/-0.0 (0.059 + 0.004/-0) 8.4 + 1.5/ -0.0 (0.331 + 0.059/-0.0) 4.35 (0.171) 6.25 (0.246) 0.6 (0.024) 0.1 (0.004) 390 (15.35) 160 (6.30) 185 (7.283) 50 (1.97) 14.4 (0.567) specifications are subject to change without notice. customers should verify actual device performance in their specific applications.
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