1 of 7 part numbering system series amp package quantity mounting method catalog number ordering number klkd 1 / 8 10 ferrule klkd 1 / 8 klkd.125t klkd 5 100 ferrule klkd 5 klkd005.h klkd 15 100 pcb 1-tab klkd 15-r klkd015.hxr specifcations voltage rating: 600 vac/vdc amperage rating: 1 / 10 , 1 / 8 , 2 / 10 , 1 / 4 , 3 / 10 , 1 / 2 , 3 / 4 , 1, 1 1 / 2 , 2, 2 1 / 2 , 3, 3 1 / 2 , 4, 5, 6, 7, 8, 9,10, 12, 15, 20, 25, 30 interrupting ratings: ac: 100 ka 200 ka littelfuse self-certifed dc: 1 / 10 -30: 10 ka (ul 248-19) 1 / 10 -30: 50 ka (ul 248-14) material: body: melamine / caps: copper alloy operating temperature: see rerating curve approvals: ul 248-19 listed (file: e339112) iec 60269-6 (2-25 a) vde certifed (no. 40033094) ul 248-14 listed (file: e10480) csa certifed ferrule only ( file: lr29862) environmental: rohs compliant country of origin: mexico description the klkd fuse series is fast-acting with a high dc voltage rating. this family of midget style fuses (10 x 38 mm) is used in solar combiner boxes and in circuits with dc fault currents up to 50,000 amperes. klkd fuses are available in standard and board-mount confgurations. in addition, the klkd series has been designed to meet both the ul and iec photovoltaic fuse standards. littelfuse offers a wide range of ampere ratings to match specifc requirements in a variety of applications. features/benefts ? designed to ul and iec photovoltaic specifcations ? 1/10 - 30 a ratings available ? 50,000 a interrupting rating ? available in ferrule or pcb mount options ? 1-5 a meets ul1741 gfdi requirements applications ? combiner boxes and inverters ? power supplies ? desktop meters klkd series 10 x 38 fuses 600 vac/dc ? 1 / 10 -30 a ? fast acting klkd xxx h xr package quantity series mounting options amp code t = 10 h = 100 blank = ferrule xr * = pcb 1-tab refer to amp code column in electrical specifications table * only available in 100 packs (h) and select ratings. recommended fuse holders littelfuse lfpsm and lpsm dead-front series littelfuse l60030m open-face series web resources download cad drawings and other technical information: littelfuse.com/klkd pcb 1-tab ferrule version .0 6 (1 .52) .0 9 (2 .2 9) .0 3 (0 .7 6) 1. 53 0 .0 1 (38. 62 0 .2 5) .0 47 (1 .1 9) .0 58 (1 .4 7) .020 (0 .5 1) .2 01 (5 .1 1) .1 4 (3 .5 6) .0 4 (1 .0 2) .02 (. 51 ) 1. 53 (38. 86 ) .50 (1 2. 7) .50 (1 2. 7) .1 5 .1 5 a .2 0. 25 .3 1. 41 .1 2 (3 .0 5) moun ti ng hole de ta il moun ti ng hole de ta il de ta il a scal e 12 :1 .4 06 (1 0. 31 ) .1 2. 28 1. 5 (38. 1) 1. 5 (38. 1) 1. 5 (38. 1) .4 06 (1 0. 31 ) dimensions inches (mm) littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
2 of 7 amp rating amp code catalog number ordering number voltage rating interrupting rating ( k a) upc approvals dc & ac ac dc ul ce 1 / 10 .100 klkd 1 / 10 -r klkd.100hxr 600 100 50 07945814857 ? ? 1 / 2 .500 klkd ? -r klkd.500hxr 600 100 50 07945814858 ? ? 1 001 klkd 1-r klkd001.hxr 600 100 50 07945812133 ? ? 2 002 klkd 2-r klkd002.hxr 600 100 50 07945894349 ? ? 3 003 klkd 3-r klkd003.hxr 600 100 50 07945818991 ? ? 4 004 klkd 4-r klkd004.hxr 600 100 50 07945811495 ? ? 5 005 klkd 5-r klkd005.hxr 600 100 50 07945814859 ? ? 6 006 klkd 6-r klkd006.hxr 600 100 50 07945894350 ? ? 8 008 klkd 8-r klkd008.hxr 600 100 50 07945894351 ? ? 10 010 klkd 10-r klkd010.hxr 600 100 50 07945814860 ? ? 12 012 klkd 12-r klkd012.hxr 600 100 50 07945894352 ? ? 15 015 klkd 15-r klkd015.hxr 600 100 50 07945894353 ? ? 20 020 klkd 20-r klkd020.hxr 600 100 50 07945894354 ? ? 25 025 klkd 25-r klkd025.hxr 600 100 50 07945894355 ? ? 30 030 klkd 30-r klkd030.hxr 600 100 50 07945894356 ? ? klkd series 10 x 38 fuses amp rating amp code catalog number ordering number voltage interrupting rating ( k a) upc weight lb (g) agency approvals dc & ac ac dc ul vde csa 1 / 10 .100 klkd 1 / 10 klkd.100t 600 100 50 07945810189 .013 (5.90) ? ? 1 / 8 .125 klkd 1 / 8 klkd.125t 600 100 50 07945810190 .013 (5.90) ? ? 2 / 10 .20 klkd 2 / 10 klkd.200t 600 100 50 07945810191 .013 (5.90) ? ? 1 / 4 .250 klkd 1 / 4 klkd.250t 600 100 50 07945810192 .013 (5.90) ? ? 3 / 10 .300 klkd 3 / 10 klkd.300t 600 100 50 07945810193 .013 (5.90) ? ? 1 / 2 .500 klkd ? klkd.500t 600 100 50 07945810194 .013 (5.90) ? ? 3 / 4 .750 klkd 3 / 4 klkd.750t 600 100 50 07945810195 .013 (5.90) ? ? 1 001 klkd 1 klkd001.t 600 100 50 07945810196 .013 (5.90) ? ? 1 1 / 2 01.5 klkd 1 1 / 2 klkd01.5t 600 100 50 07945810197 .013 (5.90) ? ? 2 002 klkd 2 klkd002.t 600 100 50 07945810198 .017 (7.71) ? ? ? 2 1 / 2 02.5 klkd 2 1 / 2 klkd02.5t 600 100 50 07945810199 .017 (7.71) ? ? ? 3 003 klkd 3 klkd003.t 600 100 50 07945810200 .017 (7.71) ? ? ? 3 1 / 2 03.5 klkd 3 1 / 2 klkd03.5t 600 100 50 07945810214 .017 (7.71) ? ? ? 4 004 klkd 4 klkd004.t 600 100 50 07945810201 .017 (7.71) ? ? ? 5 005 klkd 5 klkd005.t 600 100 50 07945810202 .017 (7.71) ? ? ? 6 006 klkd 6 klkd006.t 600 100 50 07945810203 .017 (7.71) ? ? ? 7 007 klkd 7 k lkd0 07.t 600 100 50 07945810204 .017 (7.71) ? ? ? 8 008 klkd 8 klkd008.t 600 100 50 07945810205 .017 (7.71) ? ? ? 9 009 klkd 9 klkd009.t 600 100 50 07945810215 .017 (7.71) ? ? ? 10 010 klkd 10 klkd010.t 600 100 50 07945810206 .017 (7.71) ? ? ? 12 012 klkd 12 klkd012.t 600 100 50 07945810207 .017 (7.71) ? ? ? 15 015 klkd 15 klkd015.t 600 100 50 07945810208 .017 (7.71) ? ? ? 20 020 klkd 20 klkd020.t 600 100 50 07945810209 .017 (7.71) ? ? ? 25 025 klkd 25 klkd025.t 600 100 50 07945810210 .017 (7.71) ? ? ? 30 030 klkd 30 klkd030.t 600 100 50 07945810211 .017 (7.71) ? ? ordering information ferrule version pcb 1-tab version littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
3 of 7 amp rating catalog number nom cold resistance ( ohms ) average melt time average melting i 2 t watts loss at 100% rated current (w) watts loss at 80% rated current (w) average clearing time total clearing i 2 t (a 2 s ) 20 k a total clearing i 2 t (a 2 s ) 100 k a 1 / 10 klkd 1 / 10 85.5 C C 0.780 0.505 0.000047 0.019 C 1 / 8 klkd 1 / 8 65 C C 0.975 0.659 0.000050 0.010 C 2 / 10 klkd 2 / 10 30.9 C C 1.213 0.773 0.000073 0.032 C 1 / 4 klkd 1 / 4 22 C C 1.364 0.870 C C C 3 / 10 klkd 3 / 10 16.2 C C 1.519 0.960 0.000101 0.067 C 1 / 2 klkd ? 8.16 C C 1.961 1.237 0.000141 0.197 C 3 / 4 klkd 3 / 4 0.402 0.000063 0.234 0.361 0.199 0.000170 0.753 C 1 klkd 1 0.252 0.000094 0.678 0.388 0.273 0.000247 1.827 0.008 1 1 / 2 klkd 1 1 / 2 0.134 0.000153 2.890 0.409 0.229 0.000828 13.956 280 2 klkd 2 0.129 0.000145 2.379 0.823 0.606 0.000291 3.919 0.012 2 1 / 2 klkd 2 1 / 2 0.0989 0.000186 5.142 0.912 0.618 0.000387 8.877 C 3 klkd 3 0.0773 0.000211 7.821 0.957 0.654 0.000449 14.835 C 3 1 / 2 klkd 3 1 / 2 0.0613 0.000249 12.417 1.12 0.826 0.000471 21.048 C 4 klkd 4 0.0511 0.000284 18.945 1.367 0.891 0.000507 30.76 0.019 5 klkd 5 0.0363 0.000347 34.163 1.4 0.938 0.000607 56.514 0.024 6 klkd 6 0.0261 0.000423 62.951 1.516 0.998 0.000735 96.824 0.035 7 klkd 7 0.0205 0.000505 105.143 1.577 1.066 0.000898 168.578 0.087 8 klkd 8 0.0194 0.000541 130.266 1.824 1.205 0.000945 210.595 0.656 9 klkd 9 0.0166 0.000587 164.221 2.208 1.428 0.000992 266.633 C 10 klkd 10 0.0128 0.000701 278.390 1.893 1.3 0.001200 454.628 211.667 12 klkd 12 0.0103 0.000822 445.010 2.296 1.584 0.001455 744.775 440 15 klkd 15 .007855 0.000544 137.333 2.045 1.57 0.001721 351.24 C 20 klkd 20 0.0045 0.000826 462.056 2.133 1.593 0.006144 1151.185 2120 25 klkd 25 0.003532 0.001007 834.529 2.55 1.933 0.002085 1744.033 2085 30 klkd 30 0.002776 0.001207 1409 3.701 1.983 0.002266 2757 3220 note: test circuit 600 vac / 20 ka klkd series 10 x 38 fuses electrical specifcations littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
4 of 7 amperage rating opening time (minutes) 100% of amp rating per ul 113% of amp rating per iec 135% of amp rating per ul 145% of amp rating per iec 200% of amp rating per ul 1 / 10 -30 temperature stabilization 60 min 60 max 60 max 4 max -60c -40c -20c 0c 20c 40c 60c 80c 100c 120c 140c -76f -40f -4f 32f 68f 104f 140f 176f 212f 248f 284f ambient tempera ture 60 40 20 0 percent of upra ting 0 20 40 60 per cent of dow nra tin g short circuit current* apparent rms symmetrical current for various fuse ratings 1 1 a 12 a 25 a 30 a 5,000 240 292 654 722 10,000 303 367 823 910 15,000 347 420 943 1042 20,000 381 463 1037 1147 25,000 411 498 1117 1235 30,000 437 530 1188 1313 35,000 460 558 1250 1382 40,000 481 583 1307 1445 50,000 518 628 1408 1556 60,000 550 667 1496 1654 80,000 605 735 1647 1820 100,000 652 791 1774 1961 *prospective rms symmetrical amperes short-circuit current current-limiting effects klkd series 10 x 38 fuses temperature derating curve (temperature of air immediately surrounding fuse) electrical specifcation C agency requirements littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
5 of 7 10000 100000 1000000 pea k le t - t hru i n a m per e s 30a 1 - 1 / 2 a 12a 25a 100 1000 100 1000 10000 100000 1000000 a v a i l a b le fa u lt curre n t s y mme t r i c a l r . m . s . a m per e s test v o l ta g e : 600 v a c ti m e c o n s ta n t/ p o w e r fa c to r : dra w n by: lll d a te : 5 / 27/ 2011 r evi s i o n : a dra w i n g n o . s heet 1 o f 1 fcc05- k l k d peak let - t hru cha r a c t e r i s t i c curves l i t t e l fuse, i nc. chi c a go, i l u s a - t h i s d a t a g e n e r a t e d o n exc e l - f u se c a t a l og num ber k l k d 1 - 1 / 2 a - 30a basi s f o r d a t a : peak let thru curve wave parameter lead free recommendation preheat: (typical industry recommendation) temperature minimum: 130? c temperature maximum: pre-heat time 75 seconds maximum solder pot temperature 280? c maximum solder dwell time 270? c for 8 seconds maximum complete cycle time 250 seconds maximum recommended process and soldering parameters klkd series 10 x 38 fuses littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
6 of 7 1000 900 800 700 600 500 1000 900 800 700 600 500 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 500 400 300 200 100 9 0 8 0 7 0 500 400 300 200 100 9 0 8 0 7 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 9 8 7 6 5 4 3 2 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.02 0.01 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 curre nt i n amperes - 1/8 a - 2/10 a - 1/4 a - 3/10 a - 1/2 a - 3/4 a - 1 a - 1- 1/2 a - 2 a - 2- 1/2 a klkd 1/8 - 2 -1/2a 1 time in seconds time current curve 1 1000 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0 0 3 0 . 0 3 0.02 0.01 900 800 700 600 500 400 300 200 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 current i n amperes klkd 15a - 25a 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 time in seconds 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0 0 3 0 . 0 3 0.02 0.01 time current curve 9 8 7 6 5 4 3 2 - 15 a - 20 a - 25 a - 3 1/2a 0 klkd 3a -12a current i n amperes time current curve time in seconds 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0 0 3 0 . 0 3 0.02 0.01 - 3 a - 3 1/2 a - 4 a - 5 a - 6 a - 7 a - 8 a - 9 a - 10 a - 12 a 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0 0 3 . 0 3 0.02 0.01 klkd 30a time in seconds current i n amperes time current curve 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0 0 3 0 . 0 3 0.02 0.01 - 30 a 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 1000 900 800 700 600 500 400 300 200 100 9 0 8 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 9 8 7 6 5 4 3 2 1 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 0 . 3 0 . 2 0 . 1 0.09 0.08 0.07 0.06 0.05 0.04 0 0 3 0 . 0 3 0.02 0.01 klkd series 10 x 38 fuses time current curve ( 1 / 8 - 2 1 / 2 a) time current curve (15 - 25 a) time current curve (3 - 12 a) time current curve (30 a) littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
7 of 7 disclaimer notice - littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable littelfuse product documentation. warranties granted by littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable littelfuse documentation. littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by littelfuse as set forth in applicable littelfuse documentation. the sale and use of littelfuse products is subject to littelfuse terms and conditions of sale, unless otherwise agreed by littelfuse. littelfuse.com/product-disclaimer klkd series 10 x 38 fuses littelfuse.com ? 2017 littelfuse powr-gard ? products rev: 061217 powr-gard ? fuse datasheet
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