revision: october 19, 2011, 16:35 ?2011 littelfuse, inc. specifcations are subject to change without notice. transient voltage suppression diodes 141 axial leaded C 10ka > ak10 series ak10 series please refer to http://www.littelfuse.com/series/ak10.html for current information. agency agency file number e128662 the ak10 series of high current transient suppressors have been specially designed for use in a.c. line protection and any demanding applications (ac or dc).they offer superior clamping characteristics over standard s.a.d. technologies by virtue of the littelfuse foldbak technology, which provides a clamping voltage lower than the avalanche voltage (but above the rated working voltage). therefore, any voltage rise due to increased current conduction is contained to a minimum, providing the best possible protection level. they can also be connected in series and/ or parallel to create very high capacity protection solutions. description agency approvals features maximum ratings and thermal characteristics (t a =25 o c unless otherwise noted) ak10 series ? halogen-free ? rohs compliant ? foldbak technology for superior clamping factor ? glass passivated junction ? bi-directional ? ultra compact: less than one-tenth the size of traditional discrete solutions ? very low clamping voltage ? sharp breakdown voltage ? low slope resistance electrical characteristics note: using 8 x 20s wave shaped defned in iec 61000-4-5. part numbers standoff voltage (v so ) volts max. reverse leakage (i r ) @v so a reverse breakdown voltage (v br ) @ i t test current i t max. clamping voltage v cl @ peak pulse current (i pp ) (note 1) max. temp coeffcient of v br max. capacitance 0 bias 10khz agency approval min volts max volts (ma) v cl volts i pp amps (%/ o c) (nf) ak10 - 058c 58 20 64 70 10 110 10,000 0.1 6.5 x ak10 - 066c 66 20 72 80 10 120 10,000 0.1 6.5 x ak10 - 076c 76 20 85 95 10 140 10,000 0.1 6.5 x ak10 - 170c 170 20 180 220 10 260 10,000 0.1 2.8 x ak10 - 190c 190 20 200 245 10 290 10,000 0.1 2.5 x ak10 - 240c 240 20 250 285 10 340 10,000 0.1 2.2 x ak10 - 380c 380 20 401 443 10 520 10,000 0.1 2.0 x ak10 - 430c 430 20 440 490 10 625 10,000 0.1 1. 4 x parameter symbol value unit operating junction and storage temperature range t j , t stg (-)55 to 150 c current rating 1 i pp 10 ka note: 1. rated i pp measured with 8 x 20s pulse. ak10 series rohs pb
revision: october 19, 2011, 16:35 ?2011 littelfuse, inc. specifcations are subject to change without notice. transient voltage suppression diodes 142 axial leaded C 10ka > ak10 series ak10 series please refer to http://www.littelfuse.com/series/ak10.html for current information. flow/wave soldering (solder dipping) peak temperature : 265 o c dipping time : 10 seconds soldering : 1 time te mperature (t ) ti me (t) t s(min) t s(max) t l t p t s prehea t t l t p ramp-up critical zone t l to t p ramp-dow n t 25?c to peak 25?c physical specifcations weight contact manufacturer case epoxy encapsulated terminal silver plated leads, solderable per mil-std-202 method 208 soldering parameters refow condition leadCfree 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 3c/second max t s(max) to t l - ramp-up rate 3c/second max refow - temperature (t l ) (liquidus) 217c - time (min to max) (t s ) 60 C 150 seconds peak temperature (t p ) 260 +0/-5 c time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate 6c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 280c ratings and characteristic curves (t a =25c unless otherwise noted) peak power derating peak power derating 0 20 40 60 80 10 0 12 0 02 55 07 51 00 12 51 50 am bi en t te mp er at ur e ( c) p ercent of rated v alue
revision: october 19, 2011, 16:35 ?2011 littelfuse, inc. specifcations are subject to change without notice. transient voltage suppression diodes 143 axial leaded C 10ka > ak10 series ak10 series please refer to http://www.littelfuse.com/series/ak10.html for current information. l2 l1 a g d e f c b part marking system dimensions inches millimeters a 0.950 24.15 b 0.095 2.4 c - 058c/066c/076c 0.236 6.00 c 0.145 3.68 d 0.570 max. 14.48 max. e 0.050 1.270 f 0.500 max. 12.70 max. g - 058c/066c/076c 0.200 5.08 g - 170c/190c 0.362 9.2 g - 240c 0.420 10.67 g - 380c/430c 0.650 16.50 l1 0.310 7.87 l1 - 380c/430c 0.177 4.5 l2= a - (g+l1) tolerance +/- 0.04 inch (1.0 mm) dimensions part numbering system (please re fer to electrical characteristics char t) ak10 xxxx series type stand off voltage note: ul mark does not appear on -058c & -066c & -076c. l f ak10-xxxx xx product t ype littelfuse logo date code
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