single blow fuse for overcurrent protection 1005 (eia 0402) miniature footprint fast-acting fuse ul listed rohs compliant* and halogen free** thin lm chip fuse surface mount packaging for automated assembly electrical characteristics sf-0402f series - fast acting surface mount fuses *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. ** bourns is using the de nition that appears to be the prevalent de nition used as the industry standard at this time. the bourns de nition of ?alogen-free?is: bromine (br) content: 900 ppm; chlorine (cl) content: 900 ppm; total br + cl content: 1500 ppm. ?inglfuse?is a trademark of bourns, inc. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. model rated current (amps) fusing time resistance (m ) typ.*** rated voltage breaking capacity typical i 2 t (a 2 s) sf-0402f050 0.50 open within 1 min. at 200 % rated current 320 dc 24 v dc24 v 35 a 0.00317 sf-0402f075 0.75 110 0.0049 sf-0402f080 0.80 120 0.00532 sf-0402f100 1.00 90 0.00724 sf-0402f125 1.25 67 0.01344 sf-0402f150 1.50 51 0.01356 sf-0402f160 1.60 46 0.01672 sf-0402f200 2.00 33 0.01983 sf-0402f250 2.50 25 0.03763 sf-0402f300 3.00 20 0.05427 sf-0402f315 3.15 19 0.06304 sf-0402f400 4.00 16 0.0896 ***resistance value was measured with less than 10 % of rated current. reliability testing parameter requirement test method carrying capacity ..................................... no fusing ....................................................rated curr ent, 4 hours fusing time .............................................. within 1 minute ..........................................200 % of it s rated current interrupting ability ..................................... no mechanical damages ...........................after the fuse is in terrupted, rated voltage applied for 30 seconds again bending test ............................................. no mechanical damages ...........................distance between hol ding points: 90 mm, bending: 3 mm,1time, 30 seconds resistance to solder heat ........................ ?0 % .........................................................260 ? ? ?,1 0 seconds ? second solderability .............................................. 95 % coverage minimum ...........................235 ? ? ?, 2 ? .5 second 245 ? ? ?, 2 ?.5 second (lead free) temperature rise ..................................... <75 ?..........................................................100 % of its rated current, measure of surface temperature resistance to dry heat............................. ?0 % .........................................................105 ? ? ?, 1000 hours resistance to solvent ............................... no evident damage on protective ..............23 ? ? ? of isopropyl alc ohol, 90 seconds coating and marking residual resistance ................................. 10k w or more ...........................................measure dc resist ance after fusing thermal shock ......................................... dr < 10 % .................................................-20 ? / +25 ? /+125 ? /+25 ?, 10 cycles typical part marking represents total content. layout may vary. how to order rating current (a) f = 0.50 v = 0.75 k = 0.80 l = 1.00 m = 1.25 p = 1.50 n = 1.60 s = 2.00 t = 2.50 3 = 3.00 u = 3.15 w = 4.00 sf - 0402 f 050 - 2 singlfuse product designator smd footprint 1005 (eia 0402) size fuse blow type f = fast acting s = slow blow rated current 050-400 (500 ma - 4.00 a) packaging type - 2 = tape & reel (10,000 pcs./reel) singlfuse ? sf-0402f series features asia-paci c: 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
portable memory lcd monitors disk drives pdas digital cameras dvds cell phones rechargeable battery packs battery chargers set top boxes industrial controllers speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. sf-0402f series - fast acting surface mount fuses solder re ow recommendations peak: 250 +0/-5 c 230 c or higher pre-heating zone soldering zone heating time 180 c 250 200 150 temperature (c) 100 50 150 c 90 30 seconds 30 10 seconds peak: 250 +0/-5 c, 5 seconds pre-heating zone: 150 to 180 c, 90 30 seconds soldering zone: 230 c or higher, 30 10 seconds product dimensions recommended pad layout 1.0 0.1 (.039 .004) 0.2 0.1 (.008 .004) 0.2 0.1 (.008 .004) 0.52 0.05 (.020 .002) 0.25 0.1 (.010 .004) 0.25 0.1 (.010 .004) 0.35 0.05 (.014 .002) dimensions: mm (inches) thermal derating curve 120 110 100 90 80 -20 0 20 40 ambient temperature (c) percent of rating (%) 60 80 100 120 construction & material content overcoat sn plating ceramic substrate fuse element cu / ni plating 0.558 (.022) 1.55 (.061) 0.381 (.015) packaging: 10,000 pcs./reel singlfuse ? sf-0402f series applications operating temperature ..................................................................................-40 ? to +105 ? storage conditions temperature ................................................................................................+5 ? to +35 c humidity...........................................................................................................40 % to 75 % shelf life........................................................................... 2 years from manufacturing date
rev. d 04/13 speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. sf-0402f series - fast acting surface mount fuses average time current curves minimum i 2 t v clear time curves 100 10 1 0.1 0.01 0.001 0.1 1 10 current (a) clearing time (s) 100 3.00 a 0.80 a 2.50 a 1.00 a 2.00 a 1.25 a 1.60 a 3.15 a 4.00 a 1.50 a 0.50 a 0.75 a 100 10 1 0.1 0.01 0.001 0.001 0.01 0.1 clearing time (s) min. i 2 t (a 2 sec) 1 4.00 a 1.25 a 1.00 a 0.80 a 0.75 a 0.50 a 2.50 a 2.00 a 1.60 a 1.50 a 3.15 a 3.00 a
3312 - 2 mm smd trimming potentiometer speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. sf-0402f series tape and reel speci cations sf-0402f series tape dimensions per eia 481-2 w 8.0 ?0.2 (.315 ?.008) p 0 4.0 ?0.1 (.157 ?.004) p 1 2.0 ?0.1 (.079 ?.004) p 2 2.0 ?0.05 (.079 ?.002) a 0.7 ?0.05 (.028 ?.002) b 1.2 ?0.05 (.047 ?.002) f 3.5 ?0.05 (.138 ?.002) e 1.75 ?0.1 (.069 ?.004) d 0 1.5 + 0.1 (.059 + .004) t 0.45 ?0.01 (.018 ?.004) reel dimensions a 180 +0/-3.0 (7.087 +0/-.118) b min. 60.0 (2.362) c 13.0 ?1.0 (.512 ?.039) w 9.0 ?1.0 (.354 ?.039) t 11.4 ?2.0 (.449 ?.079) p o e w direction of unreeling f d o a w t c dia. b dia. a dia. b t top tape bottom tape paper tape resistor tape p 2 p 1 dimensions: mm (inches)
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