rf0 1130 , rev . a ( 5/13/13 ) ?201 3 mic rosemi corporation page 1 of 6 sm a j 5913 b e3 ? sm a j 5956 b e3 c ompliant silicon 3.0 watt zener diode description the smaj5913 be3 C smaj 5956be3 series of surface mount 3.0 watt zeners provides voltage reg ulation in a selection from 3.3 to 200 volts with different tolerances as identified by suffix letter on the part number. it is equivalent to the jedec registered 1n5913 b through 1n5956b series with identical electrical characteristics except it is rated at 3.0 w instead of 1.5 w with the l ower thermal resistance features of this surface mount packaging. these plastic encapsulated zeners have a moisture classification of level 1 with no dry pack required. . do - 21 4ac or ba (smaj) package also available in : do - 41 package ( plastic axial leaded) 1n5913bp ? 1n5956bp do - 216 package ( tabbed surface moun t) 1pmt5913b ? 1pmt5956b impo rtant: for the latest information, visit our website http://www.microsemi.com . features ? ideal for high - density and low - profile mounting . ? zener voltage available 3.3v to 200v . ? available voltage tolerances are 10%, 5%, 2%, and 1% . ? rohs compliant . applications / benefits ? regulates voltage over a broad range of current and temperature . ? nonsensitive to esd per mil - std - 750 method 1020. ? high specified maximum current (i zm ) with adequately heat s inking. ? moisture classification is level 1 with no dry pack required per ipc/jedec j - std - 020b. m axim um ratings parameters/test conditions symbol value unit junction and storage temperature t j and t stg - 65 to +150 oc thermal resistance junction - to - l ead r ? jl 15 oc /w thermal resistance junction - to - ambient (1) r ? ja 80 oc /w rated average power dissipation @ +25 oc (also see derating in f igure 1 ) p m(av) 3.0 w forward voltage @ 200 ma v f 1.2 v solder temperature @ 10 s t sp 260 o c notes : 1. w hen mounted on fr4 pc board (1oz cu) with recommended footprint (see last page ). msc ? lawrence 6 lake street, lawrence, ma 01841 tel: 1- 800- 446- 1158 or (978) 620 - 2600 fax: (978) 689 - 0803 msc ? ireland gort road business park, ennis, co. clare, ireland tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: www.microsemi.com
rf0 1130 , rev . a ( 5/13/13 ) ?201 3 mic rosemi corporation page 2 of 6 sm a j 5913 b e3 ? sm a j 5956 b e3 mechanical and packaging ? case: void - free transfer molded thermosetting epoxy body meeting ul94v -0. ? terminal s: rohs compliant annealed matte - tin plat ing . s olderable to mil - std - 750, method 2026. ? marking: includes part number without prefix (e.g. 5913b, 5916be3, 5926c, 5951de3, etc.) . ? polarity: cathode indicated by band. diode to be operated with the banded end positive with respect to the opposite end for zener regulation . ? tape & reel option: standar d per eia - 481 -1-a with 1 2 mm tape (add tr suffix to part number) . consult factory for quantities. ? w eight: approximately 0.064 grams . ? see p ackage d imensions on last page. part nomenclature sm a j 5 913 b e3 surface mount package 3 w att power level j- bend lead f orm jedec type number (see electrical characteristics table) rohs complian t tolerance level a = 10 % tolerance b = 5 % tolerance c = 2% tolerance d = 1% tolerance symbols & definitions symbol definition i r reverse current: the maximum reverse (leakage) current that will flow at the specifi ed voltage v r and temperature. i z , i zt , i zk regulator current: the dc regulator current (i z ), at a specified test point (i zt ), near breakdown knee (i zk ). i zm maximum regulator (zener) current: the maximum rated dc current for the specified power rating . v f maximum forward voltage: the maximum forward voltage the device will exhibit at a specified current. v r reverse voltage: the dc voltage applied in the reverse direction below the breakdown region. v z zener voltage: the z ener voltage the device will exhibit at a specified current (i z ) in its breakdown region. z zt or z zk dynamic impedance: the small signal impedance of the diode when biased to operate in its breakdown region at a specified rms current modulation (typically 10% of i zt or i zk ) and superimposed on i zt or i zk respectively.
rf0 1130 , rev . a ( 5/13/13 ) ?201 3 mic rosemi corporation page 3 of 6 sm a j 5913 b e3 ? sm a j 5956 b e3 electrical characteristics @ 25 oc unless otherwise stated jedec type number zener voltage v z test current i zt dynamic impedance z zt knee current i zk knee impedance z zk reverse current i r (max .) reverse voltage v r max. dc current i zm volts ma ohms ma ohms a volts ma smaj5913 b smaj5914 b smaj5915 b smaj5916 b smaj5917 b 3.3 3.6 3.9 4.3 4.7 113.6 104.2 96.1 87.2 79.8 10 9.0 7.5 6.0 5.0 1.0 1.0 1.0 1.0 1.0 500 500 500 500 500 100 75 25 5.0 5.0 1.0 1.0 1. 0 1.0 1.5 908 832 768 696 638 smaj5918 b smaj5919 b smaj5920 b smaj5921 b smaj5922 b 5.1 5.6 6.2 6.8 7.5 73.5 66.9 60.5 55.1 50 4.0 2.0 2.0 2.5 3.0 1.0 1.0 1.0 1.0 0.5 350 250 200 200 400 5.0 5.0 5.0 5.0 5.0 2.0 3.0 4.0 5.2 6.0 588 534 482 440 400 smaj5923 b s maj5924 b smaj5925 b smaj5926 b smaj5927 b 8.2 9.1 10 11 12 45.7 41.2 37.5 34.1 31.2 3.5 4.0 4.5 5.5 6.5 0.5 0.5 0.25 0.25 0.25 400 500 500 550 550 5.0 5.0 5.0 1.0 1.0 6.5 7.0 8.0 8.4 9.1 364 328 300 272 250 smaj5928 b smaj5929 b smaj5930 b smaj5931 b smaj5932 b 1 3 15 16 18 20 28.8 25 23.4 20.8 18.7 7.0 9.0 10 12 14 0.25 0.25 0.25 0.25 0.25 550 600 600 650 650 1.0 1.0 1.0 1.0 1.0 9.9 11.4 12.2 13.7 15.2 230 200 186 166 150 smaj5933 b smaj5934 b smaj5935 b smaj5936 b smaj5937 b 22 24 27 30 33 17 15.6 13.9 12.5 11.4 17.5 19 23 28 33 0.25 0.25 0.25 0.25 0.25 650 700 700 750 800 1.0 1.0 1.0 1.0 1.0 16.7 18.2 20.6 22.8 25.1 136 124 110 100 90 smaj5938 b smaj5939 b smaj5940 b smaj5941 b smaj5942 b 36 39 43 47 51 10.4 9.6 8.7 8.0 7.3 38 45 53 67 70 0.25 0.25 0.25 0.25 0.25 850 900 950 1000 1100 1.0 1.0 1.0 1.0 1.0 27.4 29.7 32.7 35.8 38.8 82 76 68 62 58 smaj5943 b smaj5944 b smaj5945 b smaj5946 b smaj5947 b 56 62 68 75 82 6.7 6.0 5.5 5.0 4.6 86 100 120 140 160 0.25 0.25 0.25 0.25 0.25 1300 1500 1700 2000 2500 1.0 1.0 1.0 1.0 1.0 42.6 4 7.1 51.2 56 62.2 52 48 44 40 36 smaj5948 b smaj5949 b smaj5950 b smaj5951 b smaj5952 b 91 100 110 120 130 4.1 3.7 3.4 3.1 2.9 200 250 300 380 450 0.25 0.25 0.25 0.25 0.25 3000 3100 4000 4500 5000 1.0 1.0 1.0 1.0 1.0 69.2 76 83.6 91.2 98.8 32 30 26 24 22 smaj5 953 b smaj5954 b smaj5955 b smaj5956 b 150 160 180 200 2.5 2.3 2.1 1.9 600 700 900 1200 0.25 0.25 0.25 0.25 6000 6500 7000 8000 1.0 1.0 1.0 1.0 114 121.6 136.8 152 20 18 16 14 notes: 1. suffix b (shown) denotes a +/ - 5% tolerance o n nomi nal v z , a denotes a +/ - 10% tolerance , c denotes a 2% tolerance, and d denotes a +/ - 1% tolerance. 2. zener voltage (v z ) is measured at t l = 30 o c and 90 seconds after application of dc current. 3. the z ener impedance is derived from the 60 hz ac voltage, which results when an ac current having an rms value equal to 10% of the dc z ener current (i zt or i zk ) is superimposed on i zt or i zk . 4. the maximum dc current (i zm ) is based only on the maximum power of 3.0 watts at t l < 105 o c. these values must be reduced by 48% (1.56 w) when mounted on pc boards as described in maximum ratings .
rf0 1130 , rev . a ( 5/13/13 ) ?201 3 mic rosemi corporation page 4 of 6 sm a j 5913 b e3 ? sm a j 5956 b e3 graphs temperature oc figure 1 p ower d erating c urve square wave pulse width (non - repetitive) in milliseconds figure 2 t ransient s urge c ap ability pd, maximum power dissipation (mw) typical maximum power in watts
rf0 1130 , rev . a ( 5/13/13 ) ?201 3 mic rosemi corporation page 5 of 6 sm a j 5913 b e3 ? sm a j 5956 b e3 graphs zener voltage v z figure 3 capacitance vs. v z curve typical capacitance in picofarads
rf0 1130 , rev . a ( 5/13/13 ) ?201 3 mic rosemi corporation page 6 of 6 sm a j 5913 b e3 ? sm a j 5956 b e3 package dimensions note s : dimension ?a? is within do - 214ba but higher than do - 214ac standard jedec outlines. dimension ?b? is w ider than both jedec outlines for low er thermal resistance. pad layout dimensions ltr inch millimeters min max min max a 0.07 5 0.089 1.90 2.25 b 0.0 50 0.064 1.27 1.63 c 0.004 0.008 0.10 0.20 d 0.006 0.012 0.15 0.31 e 0.03 1 0.059 0.80 1.50 g 0.1 89 0.205 4.80 5.20 h 0.1 57 0.181 4.00 4.60 j 0. 095 0.104 2.40 2.65 ltr inch millimeters a (max) 0. 0 74 2 . 413 b (min) 0.060 1.52 c (min) 0.066 1.68 d (typ) 0.208 5.28
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