microsemi scottsdale division page 1 copyright ? 2007 6-20-2007 rev d www. microsemi . com smajp4ke6.8 thru smajp4ke400ca, e3 transient voltage suppressor scottsdale division description package this transient voltage suppressor (tvs) series is an economical molded surface mount package with very low thermal resistance due to its unique axial subassembly. it is used for auto motive applications and others to protect voltage sensitive components from destructive or partial degradation. they have a peak pulse power rating of 400 watts for 1 ms as depicted in figures 1 and 2. the package is configured for easy pick and place onto pc boards for automated handling. the j- bend terminations also provide stress relief for use on a variety of pc board materials. do-214ac or ba (smaj) important: for the most current data, consult microsemi?s website: http://www.microsemi.com smajp4ke6.8 thru smajp4ke400ca features applications / benefits ? economical series for surface mounting ? available in both unidirectional and bi-directional (add c or ca suffix to part number for bidirectional) ? voltages from 6.8 to 400 v breakdown (v br ) ? fast response ? moisture classification is level 1 per ipc/jedec j-std-020b with no dry pack ? optional 100% screening for avionics grade is available by adding ma prefix to part number for added 100% temperature cycle -55 o c to +125 o c (10x) as well as surge (3x) and 24 hours htrb with post test v z & i r (in the operating direction for unidirectional or both directions for bidirectional) ? options for screening in accordance with mil-prf- 19500 for jan, jantx, or jantxv are available by adding mq, mx, or mv prefixes respectively to part numbers ? rohs compliant devices available by adding ?e3? suffix note: equivalent axial-leaded packages available as p4ke6.8 to p4ke400ca ? suppresses transient up to 400 watts @ 10/1000 s (see figure 1) ? protects sensitive components such as ic?s, cmos, bipolar, bicmos, ecl, dtl, t 2 l, etc. ? protection from switching transients & induced rf ? compliant to iec61000-4-2 and iec61000-4-4 for esd and eft protection respectively ? secondary lightning protection per iec61000-4-5 with 42 ohms source impedance: class 1: smajp4ke6.8 to smajp4ke91a or ca class 2: smajp4ke6.8 to smajp4ke47a or ca class 3: smajp4ke6.8 to smajp4ke24a or ca class 4: smajp4ke6.8 to smajp4ke12a or ca ? secondary lightning protection per iec61000-4-5 with 12 ohms source impedance: class 1: smajp4ke6.8 to smajp4ke30a or ca class 2: smajp4ke6.8 to smajp4ke15a or ca maximum ratings mechanical and packaging ? peak pulse power dissipation at 25 o c: 400 watts at 10/1000 s (also see fig 1,2, and 4) ? impulse repetition rate (duty factor): 0.01% ? t clamping (0 volts to v (br) min.): < 100 ps theoretical for unidirectional and < 5 ns for bidirectional ? operating and storage temperature: -65 o c to +150 o c ? thermal resistance: 17 o c/w junction to lead or 82 o c/w junction to ambient when mounted on fr4 pc board (1 oz cu) with recommended footprint (see last page) ? steady-state power dissipation: 5 watts at t l = 65 o c or 1.52 watts at t a = 25 o c when mounted on fr4 pc board with recommended footprint ? forward surge current at 25oc: 40 amps peak, 8.3 ms half-sine wave. maximum voltage of 3.50 v (unidirectional only) ? solder temperatures: 260 o c for 10 s (maximum) ? case: molded epoxy package meets ul94v-0 ? terminals: tin-lead or rohs compliant annealed matte-tin plating solderable per mil- std-750, method 2026 ? polarity: cathode designated by cathode band for unidirectional (no ne for bidirectional) ? marking only shows 4kexxx digits of part number (e.g. 4ke6.8 , 4ke12ca, 4ke30a, etc.) ? weight: 0.1 grams (approximate) ? tape & reel option: standard per eia-481-1-a with 12 mm tape (add ?tr? suffix to part number) 750 per 7 inch reel or 2500 per 13 inch reel 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
microsemi scottsdale division page 2 copyright ? 2007 6-20-2007 rev d www. microsemi . com smajp4ke6.8 thru smajp4ke400ca, e3 transient voltage suppressor scottsdale division electrical characteristics @ 25 o c breakdown voltage v (br) @ i (br) type number rated stand- off voltage v wm min. max. maximum clamping voltage vc max. @ i pp maximum reverse leakage current i d @ v wm maximum peak pulse current i pp maximum temperature coefficient of v (br) v(br) v v v ma v a a % / o c smajp4ke6.8 smajp4ke6.8a smajp4ke7.5 smajp4ke7.5a 5.50 5.80 6.05 6.40 6.12 6.45 6.75 7.13 7.48 7.14 8.25 7.88 10 10 10 10 10.8 10.5 11.7 11.3 500 500 200 200 37 38 34 35 .057 .057 .061 .061 smajp4ke8.2 smajp4ke8.2a smajp4ke9.1 smajp4ke9.1a 6.63 7.02 7.37 7.78 7.38 7.79 8.19 8.65 9.02 8.61 10.0 9.55 10 10 1 1 12.5 12.1 13.8 13.4 100 100 20 20 32 33 29 30 .065 .065 .068 .068 smajp4ke10 smajp4ke10a smajp4ke11 smajp4ke11a 8.10 8.55 8.92 9.40 9.00 9.50 9.90 10.5 11.0 10.5 12.1 11.6 1 1 1 1 15.0 14.5 16.2 15.6 20 5 2 2 27 28 25 26 .073 .073 .075 .075 smajp4ke12 smajp4ke12a smajp4ke13 smajp4ke13a 9.72 10.2 10.5 11.1 10.8 11.4 11.7 12.4 13.2 12.6 14.3 13.7 1 1 1 1 17.3 16.7 19.0 18.2 1 1 1 1 23 24 21 22 .078 .078 .081 .081 smajp4ke15 smajp4ke15a smajp4ke16 smajp4ke16a 12.1 12.8 12.9 13.6 13.5 14.3 14.4 15.2 16.5 15.8 17.6 16.8 1 1 1 1 22.0 21.2 23.5 22.5 1 1 1 1 18 19 17 18 .084 .084 .086 .086 smajp4ke18 smajp4ke18a smajp4ke20 smajp4ke20a 14.5 15.3 16.2 17.1 16.2 17.1 18.0 19.0 19.8 18.0 22.0 21.0 1 1 1 1 26.5 25.2 29.1 27.7 1 1 1 1 15 16 14 14.5 .088 .088 .090 090 smajp4ke22 smajp4ke22a smajp4ke24 smajp4ke24a 17.8 18.8 19.4 20.5 19.8 20.9 21.6 22.8 24.2 23.1 26.4 25.2 1 1 1 1 31.9 30.6 34.7 33.2 1 1 1 1 12.5 13 11.5 12 .092 .092 .094 .094 smajp4ke27 smajp4ke27a smajp4ke30 smajp4ke30a 21.8 23.1 24.3 55.6 24.3 25.7 27.0 28.5 29.7 28.4 33.0 31.5 1 1 1 1 39.1 37.5 43.5 41.4 1 1 1 1 10 11 9.0 9.5 .096 .096 .097 .097 smajp4ke33 smajp4ke33a smajp4ke36 smajp4ke36a 26.8 28.2 29.1 30.8 29.7 31.4 32.4 34.2 36.3 34.7 39.6 37.8 1 1 1 1 47.7 45.7 52.0 49.9 1 1 1 1 8.5 9.0 7.5 8.0 .098 098 .099 .099 smajp4ke39 smajp4ke39a smajp4ke43 smajp4ke43a 31.6 33.3 34.8 36.8 35.1 37.1 38.7 40.9 42.9 41.0 47.3 45.2 1 1 1 1 56.4 53.9 61.9 59.3 1 1 1 1 7.0 7.5 6.5 7.0 .100 .100 .101 .101 smajp4ke47 smajp4ke47a smajp4ke51 smajp4ke51a 38.1 40.2 41.3 43.6 42.3 44.7 45.9 48.5 51.7 49.4 56.1 53.6 1 1 1 1 67.8 64.8 73.5 70.1 1 1 1 1 5.9 6.2 5.4 5.7 .101 .101 .102 .102 smajp4ke56 smajp4ke56a smajp4ke62 smajp4ke62a 45.4 47.8 50.2 53.0 50.4 53.2 55.8 58.9 61.6 58.8 68.2 65.1 1 1 1 1 80.5 77.0 89.0 85.0 1 1 1 1 5.0 5.2 4.5 4.7 .103 .103 .104 .104 smajp4ke68 smajp4ke68a smajp4ke75 smajp4ke75a 55.1 58.1 60.7 64.1 61.2 64.6 67.5 71.3 74.8 71.4 82.5 78.8 1 1 1 1 98.0 92.0 108.0 103.0 1 1 1 1 4.1 4.4 3.7 3.9 .104 .104 .105 .105 smajp4ke82 smajp4ke82a smajp4ke91 smajp4ke91a 66.4 70.1 73.7 77.8 73.8 77.9 81.9 86.5 90.2 86.1 100.0 95.5 1 1 1 1 118.0 113.0 131.0 125.0 1 1 1 1 3.4 3.5 3.1 3.2 .105 .105 .106 .106 smajp4ke100 smajp4ke100a smajp4ke110 smajp4ke110a 81.0 85.5 89.2 94.0 90.0 95.0 99.0 105.0 110.0 105.0 121.0 116.0 1 1 1 1 144.0 137.0 158.0 152.0 1 1 1 1 2.8 2.9 2.5 2.6 .106 .106 .107 .107 smajp4ke6.8 thru smajp4ke400ca 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
microsemi scottsdale division page 3 copyright ? 2007 6-20-2007 rev d www. microsemi . com smajp4ke6.8 thru smajp4ke400ca, e3 transient voltage suppressor scottsdale division breakdown voltage v (br) @ i (br) type number rated stand- off voltage v wm min. max. maximum clamping voltage vc max. @ i pp maximum reverse leakage current i d @ v wm maximum peak pulse current i pp maximum temperature coefficient of v (br) v(br) v v v ma v a a % / o c smajp4ke120 smajp4ke120a smajp4ke130 smajp4ke130a 97.2 102.0 105.0 111.0 108.0 114.0 117.0 124.0 132.0 126.0 143.0 137.0 1 1 1 1 173.0 165.0 187.0 179.0 1 1 1 1 2.3 2.4 2.1 2.2 .107 .107 .107 .107 smajp4ke150 smajp4ke150a smajp4ke160 smajp4ke160a 121.0 128.0 130.0 136.0 135.0 143.0 144.0 152.0 165.0 158.0 176.0 168.0 1 1 1 1 215.0 207.0 230.0 219.0 1 1 1 1 1.9 1.95 1.7 1.8 .108 .108 .108 .108 smajp4ke170 smajp4ke170a smajp4ke180 smajp4ke180a 138.0 145.0 146.0 154.0 153.0 162.0 162.0 171.0 187.0 179.0 198.0 189.0 1 1 1 1 244.0 234.0 258.0 246.0 1 1 1 1 1.6 1.7 1.5 1.6 .108 .108 .108 .108 smajp4ke200 smajp4ke200a smajp4ke220 smajp4ke220a 162.0 171.0 175.0 185.0 180.0 190.0 198.0 209.0 220.0 210.0 242.0 231.0 1 1 1 1 287.0 274.0 344.0 328.0 1 1 1 1 1.4 1.5 1.0 1.0 .108 .108 .110 .110 smajp4ke250 smajp4ke250a smajp4ke300 smajp4ke300a 202.0 214.0 243.0 256.0 225.0 237.0 270.0 285.0 275.0 263.0 330.0 315.0 1 1 1 1 360.0 344.0 430.0 414.0 1 1 1 1 1.0 1.0 1.0 1.0 .110 .110 .110 .110 smajp4ke350 smajp4ke350a smajp4ke400 smajp4ke400a 284.0 300.0 324.0 342.0 315.0 333.0 360.0 380.0 385.0 368.0 440.0 420.0 1 1 1 1 504.0 482.0 574.0 548.0 1 1 1 1 1.0 1.0 1.0 1.0 .110 .110 .110 .110 forward voltage (vf) @ 30 amps peak, 8.3 ms sine wave equal to 3.5 volts maximum for smajp4ke6.8 to 200. (excluding bidirectio nal) for bi-directional construction, indicate a c or ca suffix after part number, i.e. smajp4ke170ca. symbols & definitions symbol definition symbol definition v wm rated stand-off voltage i pp peak pulse current p pp peak pulse power v c (max) maximum clamping voltage v(br) breakdown voltage i t test current i d reverse leakage smajp4ke6.8 thru smajp4ke400ca 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
microsemi scottsdale division page 4 copyright ? 2007 6-20-2007 rev d www. microsemi . com smajp4ke6.8 thru smajp4ke400ca, e3 transient voltage suppressor scottsdale division outline and circuit figure 2 pulse waveform for exponential surge figure 1 peak pulse power vs pulse time t l lead temperature o c peak pulse power ( p pp ) of continous power in percent of 25 o c rating figure 3 derating curve figure 4 p4ke typical capacitance vs breakdown voltage (unipolar) smajp4ke6.8 thru smajp4ke400ca package dimensions dim inches min / max millimeters min / max note a b c d e f g h j .078 / .115 .052 / .103 - / .005 - / .02 .030 / .060 .055 / .075 .194 / .216 .160 / .180 .100 / .110 1.98 / 2.92 1.32 / 2.61 - / .127 - / .51 .76 / 1.52 1.65 / 2.13 4.93 / 5.48 3.99 / 4.50 2.57 / 2.79 1 1 note 1: dimension a is within do-214ba but higher than do-214ac jedec outlines for lower thermal resistance. standard jedec outlines. dimension b is wider than both 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
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