february 2007 rev 1 1/10 10 SMA6J high junction temperature transil? features peak pulse power: ? 600 w (10/1000 s) ? 4 kw (8/20 s) stand off voltage range: from 5 v to 188 v unidirectional and bidirectional types low clamping voltage versus standard series low leakage current: ? 0.2 a at 25 c ? 1 a at 85 c operating t j max: 175 c jedec registered package outline description the SMA6J transil series has been designed to protect sensitive equipment against electro-static discharges according to iec 61000-4-2, mil std 883 method 3015, and electrical over stress such as iec 61000-4-4 & 5. they are also in accordance with iso tr 7637-2, sae j 113 and din 40839 for automotive applications and more generally for surges below 600 w 10/1000 s this planar technology makes it compatible with high-end equipment like automotive, medical equipment or smps where low leakage current and high junction temperature are required to provide reliability and stab ility over time. their low clamping voltages provides a better safety margin to protect sensitive circuits with extended life time expectancy. packaged in sma, this minimizes pcb consumption (sma footprint in accordance with ipc 7531 standard). tm: transil is a trademark of stmicroelectronics order code complies with the following standards: part number marking SMA6Jxxa-tr see ta bl e 6 . SMA6Jxxca-tr see ta bl e 6 . iec 61000-4-2 level 4: 15 kv(air discharge) 8 kv(contact discharge) mil std 893g-method 3015-7: class3b 25 kv hbm (human body model) k a unidirectional bidirectional sma (jedec do-214ac) www.st.com
characteristics SMA6J 2/10 1 characteristics table 1. absolute ratings (t amb = 25 c) symbol parameter value unit p pp peak pulse power dissipation (1) t j initial = t amb 600 w p power dissipation on infinite heatsink t amb = 55 c 4 w i fsm non repetitive surge peak forward current for unidirectional types t p = 10 ms t j initial = t amb 60 a t stg storage temperature range -65 to +175 c t j operating junction temperature range -55 to +175 c t l maximum lead temperature for soldering during 10 s 260 c 1. for a surge greater than the maximum val ues, the diode will fail in short-circuit. table 2. thermal resistances symbol parameter value unit r th (j-l) junction to leads 30 c/w r th (j-a) junction to ambient on printed circuit on recommended pad layout 120 c/w table 3. electrical characteristics - definitions (t amb = 25 c) symbol parameter v rm stand-off voltage v br breakdown voltage v cl clamping voltage i rm leakage current @ v rm i pp peak pulse current t voltage temperature coefficient v f forward voltage drop r d dynamic resistance v cl v br v rm i rm i r i pp v i i rm i r i pp v rm v br v cl v cl v br v rm i rm i r i pp v i i rm i r i pp v rm v br v cl v cl v br v rm i rm i r i pp v i i f v f v cl v br v rm i rm i r i pp v i i f v f unidirectional bidirectional
SMA6J characteristics 3/10 table 4. electrical characteristics - values (t amb = 25 c) type i rm max@v rm v br @i r (1) v cl @i pp 10/1000 s r d (2) 10/1000 s v cl @i pp 8/20 s r d (2) 8/20 s t (3) 25 c 85 c min typ max max max max a v v ma v a va 10-4/c SMA6J5.0a/ca 10 50 5.0 6.40 6.74 7.07 10 9.1 68 0.029 13.4 298 0.021 5.7 SMA6J6.0a/ca 10 50 6.0 6.70 7.05 7.41 10 9.5 61 0.034 13.7 290 0.022 5.9 SMA6J6.5a/ca 10 50 6.5 7.20 7.58 7.96 10 10.2 56 0.040 14.5 276 0.024 6.1 SMA6J8.5a/ca 10 50 8.5 9.4 9.9 10. 4 1 13.3 41.7 0.070 18.7 205 0.041 7.3 SMA6J10a/ca 0.2 1 10 11.1 11.7 12. 3 1 15.7 37 0.093 19.6 184 0.040 7.8 SMA6J12a/ca 0.2 1 12 13.3 14.0 14. 7 1 18.8 31 0.133 23.5 157 0.056 8.3 SMA6J13a/ca 0.2 1 13 14.4 15.2 15. 9 1 20.4 29 0.154 23.9 147 0.054 8.4 SMA6J15a/ca 0.2 1 15 16.7 17.6 18. 5 1 23.6 25.1 0.206 27.7 123 0.075 8.8 SMA6J18a/ca 0.2 1 18 20.0 21.1 22. 1 1 28.3 21.5 0.288 33.2 102 0.108 9.2 SMA6J20a/ca 0.2 1 20 22.2 23.4 24. 5 1 31.4 19.4 0.354 36.8 93 0.132 9.4 SMA6J24a/ca 0.2 1 24 26.7 28.1 29.5 1 37.8 16 0.516 44.3 80 0.184 9.6 SMA6J26a/ca 0.2 1 26 28.9 30.4 31. 9 1 40.9 14.9 0.600 47.9 75 0.213 9.7 SMA6J28a/ca 0.2 1 28 31.1 32.7 34. 4 1 44.0 13.8 0.697 51.6 68 0.253 9.8 SMA6J33a/ca 0.2 1 33 36.7 38.6 40. 6 1 51.9 11.8 0.963 60.8 57 0.356 10.0 SMA6J40a/ca 0.2 1 40 44.4 46.7 49.1 1 62.8 9.7 1.42 73.6 48 0.511 10.1 SMA6J48a/ca 0.2 1 48 53.3 56.1 58.9 1 75.4 8.1 2.04 88.4 40 0.736 10.3 SMA6J58a/ca 0.2 1 58 64.4 67.8 71. 2 1 91.1 6.7 2.97 100 33 0.863 10.4 SMA6J70a/ca 0.2 1 70 77.8 81.9 86.0 1 110 5.5 4.38 120 27 1.27 10.5 SMA6J85a/ca 0.2 1 85 94 99 104 1 134 4.6 6.45 146 22.5 1.85 10.6 SMA6J100a/ca 0.2 1 100 111 117 123 1 157 3.8 9.03 172 19 2.58 10.7 SMA6J130a/ca 0.2 1 130 144 152 159 1 204 3 14.9 223 15 4.24 10.8 SMA6J154a/ca 0.2 1 154 171 180 189 1 242 2.4 22.1 265 12.6 6.00 10.8 SMA6J170a/ca 0.2 1 170 189 199 209 1 275 2.2 30.0 292 11.3 7.39 10.8 SMA6J188a/ca 0.2 1 188 209 220 231 1 328 2 48.5 323 10.3 8.97 10.8 1. pulse test: t p <50ms. 2. to calculate maximum clamping voltage at othe r surge currents, use the following formula v clmax = r d x i pp + v brmax 3. to calculate v br versus junction temperature, use the following formula: v br @ t j = v br @ 25 c x (1 + t x (t j - 25)) 100 50 %i pp t r t p 0 t repetitive peak pulse current tr = rise time (s) tp = pulse duration time (s)
characteristics SMA6J 4/10 figure 3. clamping voltage versus peak pulse current (exponential waveform, maximum values) figure 1. peak power dissipation versus initial junction temperature figure 2. peak pulse power versus exponential pulse duration (t j initial = 25 c) 0 10 20 30 40 50 60 70 80 90 100 110 0 25 50 75 100 125 150 175 200 % t (c) j 0.1 1.0 10.0 0.01 0.10 1.00 10.00 p (kw) pp t (ms) p t initial=25c j 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 1 10 100 1000 i (a) pp v (v) cl t = 25c j t = 20 s p t = 1 ms p SMA6J5.0a/ca SMA6J10a/ca SMA6J15a/ca SMA6J188a/ca SMA6J100a/ca SMA6J48a/ca SMA6J26a/ca
SMA6J characteristics 5/10 figure 4. junction capacitance versus reverse applied voltage (typical values) (SMA6Jxxa) figure 5. junction capacitance versus reverse applied voltage (typical values) (SMA6Jxxca) 10 100 1000 10000 1 10 100 1000 c(pf) f=1mhz v =30mv t =25c osc rms j v (v) r SMA6J5.0a SMA6J13a SMA6J26a SMA6J58a SMA6J188a 1 10 100 1000 10000 1 10 100 1000 c(pf) f=1mhz v =30mv t =25c osc rms j v (v) r SMA6J5.0ca SMA6J13ca SMA6J26ca SMA6J58ca SMA6J188ca figure 6. peak forward voltage drop versus peak forward current (typical values) figure 7. relative variation of thermal impedance junction to ambient versus pulse duration (printed ciruit board fr4, s cu = 1 cm 2 ) figure 8. thermal resistance junction to ambient versus copper surface under each lead (printed circuit board fr4, e cu = 35 m) figure 9. leakage current versus junction temperature (typical values) 1.e-02 1.e-01 1.e+00 1.e+01 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 i (a) fm v (v) fm t =25c j t =125c j 0.01 0.10 1.00 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 z th(j-a) /r th(j-a) t (s) p 40 50 60 70 80 90 100 110 120 130 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 r th(j-a) (c/w) s (cm ) cu 2 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 25 50 75 100 125 150 175 i (na) r t (c) j v= r v rm v 11.7v br v 11.7v br >
order information scheme SMA6J 6/10 2 order information scheme sm a 6j xx ca - tr surface mount package surge rating a = sma package 6j = 600 w stand off voltage example - 85 = 85 v type a = unidirectional ca = bidirectional packaging tr = tape and reel
SMA6J package information 7/10 3 package information case: jedec do-214ac molded plastic over planar junction terminals: solder plated, solderable per mil-std-750, method 2026 polarity: for unidirectional types the band indicates cathode. flammability: epoxy is rated ul94v-0 rohs package table 5. sma dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.03 0.075 0.08 a2 0.05 0.20 0.002 0.008 b 1.25 1.65 0.049 0.065 c 0.15 0.40 0.006 0.016 d 2.25 2.90 0.089 0.114 e 4.80 5.35 0.189 0.211 e1 3.95 4.60 0.156 0.181 l 0.75 1.50 0.030 0.059 figure 10. sma footprint dimensions figure 11. marking information e c l e1 d a1 a2 b 1.40 (0.055) 1.40 (0.055) 2.63 (0.104) 5.43 (0.214) 1.64 (0.065) 1.40 (0.055) 1.40 (0.055) 2.63 (0.104) 5.43 (0.214) 1.64 (0.065) milimeters (inches) milimeters (inches) y w w e3 z x x x e3: ecopack ( leadfree) xxx: marking z: manufacturing location y: year ww: week cathode bar ( unidirectional devices only )
package information SMA6J 8/10 in order to meet environmental requirements, st offers these devices in ecopack? packages. these packages have a lead-free second level interconnect . the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com. table 6. marking type marking type marking SMA6J5.0a-tr 6ua SMA6J5.0ca-tr 6ba SMA6J6.0a-tr 6ub SMA6J6.0ca-tr 6bb SMA6J6.5a-tr 6uc SMA6J6.5ca-tr 6bc SMA6J8.5a-tr 6ud SMA6J8.5ca-tr 6bd SMA6J10a-tr 6ue SMA6J10ca-tr 6be SMA6J12a-tr 6uf SMA6J12ca-tr 6bf SMA6J13a-tr 6ug SMA6J13ca-tr 6bg SMA6J15a-tr 6uh SMA6J15ca-tr 6bh SMA6J18a-tr 6uj SMA6J18ca-tr 6bj SMA6J20a-tr 6uk SMA6J20ca-tr 6bk SMA6J24a-tr 6um SMA6J24ca-tr 6bm SMA6J26a-tr 6un SMA6J26ca-tr 6bn SMA6J28a-tr 6uo SMA6J28ca-tr 6bo SMA6J33a-tr 6uq SMA6J33ca-tr 6bq SMA6J40a-tr 6ur SMA6J40ca-tr 6br SMA6J48a-tr 6us SMA6J48ca-tr 6bs SMA6J58a-tr 6ut SMA6J58ca-tr 6bt SMA6J70a-tr 6uu SMA6J70ca-tr 6bu SMA6J85a-tr 6uv SMA6J85ca-tr 6bv SMA6J100a-tr 6uw SMA6J100ca-tr 6bw SMA6J130a-tr 6ux SMA6J130ca-tr 6bx SMA6J154a-tr 6uy SMA6J154ca-tr 6by SMA6J170a-tr 6uz SMA6J170ca-tr 6bz SMA6J188a-tr 6uaa SMA6J188ca-tr 6baa
SMA6J ordering information 9/10 4 ordering information 5 revision history part number marking package weight base qty delivery mode SMA6Jxxa-tr see table 6. sma 0.068 g 5000 tape and reel SMA6Jxxca-tr see table 6. sma 0.068 g 5000 tape and reel date revision changes 21-feb-2007 1 first issue.
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