surface mount fuses 41 ? 2009 littelfuse, inc. specifcations are subject to change without notice. 467 series thin film > 0603 size > very fast-acting > 467 series please refer to www.littelfuse.com/series/467.html for current information. 467 series 467 series fuse description agency approvals agency agency file number ampere range e10480 250ma - 5a lr29862 250ma - 5a electrical characteristics for series features ? compatible with lead- free solders and higher temperature profles. ? high performance materials provide improved performance in elevated ambient temperature applications. ? marked on top surface with code to allow amp rating identifcation without testing. ? low profle for height sensitive applications. ? flat top surface for pick- and-place operations. ? element covering material is resistant to industry standard cleaning operations. ? mounting pad and electrical performance is identical to littelfuse 431 and 434 series products. ? alloy based element construction provides superior inrush withstand characteristics (i2t) over ceramic or glass based 0603 fuse products. % of ampere rating opening time at 25 o c 100% 4 hours, minimum 200% 5 sec., maximum 300% 0.2 sec., maximum applications the 467 series fast-acting smf is an ultra small (0603 size) thin-flm device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices. this series is 100% lead-free and meets the requirements of the rohs directive. new halogen-free 467 series fuses are availableCto order use the hf suffx. see part numbering section for additional information.. ? cell phones ? battery packs ? digital cameras ? dvd players ? hard disk drives. secondary protection for space constrained applications: ampere rating (a) amp code max voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) nom voltage drop (mv) nom power dissipation (w) agency approvals 0.250 .250 32 50a @32v ac/dc 0.5450 0.0030 158.56 0.0396 x x 0.375 .375 32 0.2900 0.0053 128.03 0.0480 x x 0.500 .500 32 0.1870 0.0087 115.71 0.0579 x x 0.750 .750 32 0.1170 0.0171 107.33 0.0805 x x 1.00 001. 32 0.0710 0.0212 89.10 0.0891 x x 1.25 1.25 32 35a @32v ac/dc 13a @65v dc 0.0530 0.0518 84.32 0.1054 x x 1.50 01.5 32 0.0410 0.0766 81.14 0.1217 x x 1.75 1.75 32 35a @32v ac/dc 0.0320 0.0903 78.75 0.1378 x x 2.00 002. 32 0.0300 0.1103 78.22 0.1564 x x 2.50 02.5 32 0.0220 0.1440 76.10 0.1903 x x 3.00 003. 32 0.0180 0.2403 75.04 0.2251 x x 3.50 03.5 32 0.0150 0.4306 74.25 0.2599 x x 4.00 004. 32 0.0130 0.5760 73.72 0.2949 x x 5.00 005. 32 0.0090 0.9000 72.71 0.3635 x x electrical specifcations by item 1. measured at 10% of rated current, 25oc. 2. measured at rated voltage. revised: january 10, 2012
introduction to circuit protection introduction to circuit protection transientology 42 ? 2009 littelfuse, inc. specifcations are subject to change without notice. surface mount fuses 467 series thin film > 0603 size > very fast-acting > 467 series please refer to www.littelfuse.com/series/467.html for current information. average time current curves time in seconds current in amperes 0.0 1 0.1 0.1 1 1 10 10 0 10 10 0 0.00 1 3.50 a 3.00 a 2.50 a 2.00 a 1 .75 a 1 .50 a 1 .25 a 1 .00 a 0.750 a 0.500 a 0.375 a 0.250 a 4.00 a 5.00 a temperature rerating curve refow condition pb C free assembly pre heat - temperature min (t s(min) ) 150c - temperature max (t s(max) ) 200c - time (min to max) (t s ) 60 C 180 secs average ramp up rate (liquidus temp (t l ) to peak 5c/second max t s(max) to t l - ramp-up rate 5c/second max refow - temperature (t l ) (liquidus) 217c - temperature (t l ) 60 C 150 seconds peak temperature (t p ) 250 +0/-5 c time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate 5c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 260c soldering parameters wave soldering 260c, 10 seconds max. note: 1. derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. example: for continuous operation at 70 degrees celsius, the fuse should be deratedas follows: i = (0.75)(0.80)i rat = (0.60)i rat 2. the temperature derating curve represents the nominal conditions. for questions about temperature derating curve, please consult littelfuse technical support for assistance. ti me te mperature t p t l t s(max) t s(min) 25 t p t l t s time to peak temperature (t 25oc to peak) ramp-down ramp-up preheat critical zone t l to t p
43 ? 2009 littelfuse, inc. specifcations are subject to change without notice. surface mount fuses 467 series thin film > 0603 size > very fast-acting > 467 series please refer to www.littelfuse.com/series/467.html for current information. 467 series materials body: advanced high temperature substrate terminations: 100% tin over nickel over copper element cover coat: conformal coating operating temperature C 55 o c to 90 o c. consult temperature rerating curve chart. for operation above 90c contact littelfuse. humidity mil-std-202f, method 103b, condition d thermal shock withstands 5 cycles of C 55 o c to 125 o c vibration per mil-std-202f insulation resistance (after opening) greater than 10,000 ohms. product characteristics dimensions part marking system 1 .09 (.043") reflow solder 1.60 (.063") .305 (.012") .279 (.011") .18 (.007") .127 (.005") marking code varies with amperage rating (see chart) r ref. 1 .02 (.040") .762 (.030") 2.54 ( .100") 1.09 (.043") wave solder 3.20 (. 126") 1 .09 (.043") 1 .02 (.040") .813 (.032") sn sn cu sn coating amp code marking code .250 d .375 e .500 f .750 g 001. h 1.25 j 01.5 k 1.75 l 002. n 02.5 o 003. p 03.5 r 004. s 005. t part numbering system packaging packaging option packaging specifcation quantity quantity & packaging code 8mm tape and reel eia-481 rev. d (iec 60286, part 3) 5000 nr 0467002.nrhf series amp c ode hf suffix halogen free item packaging c ode the dot is poisitioned before the pack - aging suffx with whole ratings and within the numbering sequence for fractional ratings. refer to amp code column in the electrical specifcations table. nr = tape and reel, 5000 pcs example: 1.5 amp product is 0467 01 .5 nrhf (2 amp product shown above).
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