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this is information on a product in full production. march 2012 doc id 17869 rev 3 1/11 11 sma6ty automotive 600 w transil? in sma package datasheet ? production data features peak pulse power: ? 600 w (10/1000 s) ? 4 kw (8/20 s) stand off voltage range: from 5 v to 70 v unidirectional and bidirectional types low leakage current: ? 0.2 a at 25 c ? 1 a at 85 c operating t j max : 150 c jedec registered package outline resin meets ul 94, v0 aec-q101 qualified complies with the following standards iso 10605, c = 150 pf, r = 330 : ? 30 kv (air discharge) ? 30 kv (contact discharge) iso 10605, c = 330 pf, r = 330 : ? 30 kv (air discharge) ? 30 kv (contact discharge) iso 7637-2 (a) ? pulse 1: v s = -100 v ? pulse 2a: v s = +50 v ? pulse 3a: v s = -150 v ? pulse 3b: v s = +100 v description the sma6ty transil series has been designed to protect sensitive automotive circuits against surges defined in iso 7637-2 and against electrostatic discharges according to iso 10605. the planar technology makes this device compatible with high-end circuits where low leakage current and high junction temperature are required to provide reli ability and stability over time. sma6ty are packaged in sma (sma footprint in accordance with ipc 7531 standard). tm : transil is a trademark of stmicroelectronics a. not applicable to parts with stand-off voltage lower than the average battery voltage (13.5 v) k a unidirectional bidirectional sma (jedec do-214ac) www.st.com
characteristics sma6ty 2/11 doc id 17869 rev 3 1 characteristics figure 1. electrical characteristics - definitions figure 2. pulse definition for electrical characteristics table 1. absolute maximum ratings (t amb = 25 c) symbol parameter value unit v pp peak pulse voltage iso 10605 (c = 330 pf, r = 330 ): contact discharge air discharge iso 10605 (c = 150 pf, r = 330 ): contact discharge air discharge 30 30 30 30 kv p pp peak pulse power dissipation (1) t j initial = t amb 600 w t j operating junction temperature range -40 to 150 c t stg storage temperature range -65 to 150 t l maximum lead temperature for soldering during 10 s. 260 1. for a surge greater than the maximum val ues, the diode will fail in short-circuit. 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 symbol parameter v stand-off voltage v breakdown voltage v clamping voltage i leakage current @ v i peak pulse current t voltage temperature coefficient v forward voltage drop r dynamic resistance rm br cl rm rm pp f d repetitive pulse current t r = rise time (s) t p = pulse duration time (s) t r t p
sma6ty characteristics doc id 17869 rev 3 3/11 table 2. electrical characteristics, parameter values (t amb = 25 c) order code 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 25 c 85 c min. typ. max. max max max a v v ma v (3) a (4) v (3) a (4) 10-4/ c SMA6T6V7AY/cay 20 50 5.00 6.40 6.70 7.1 10 9.1 68.0 0.029 13.4 298 0.021 5.7 sma6t7v6ay/cay 20 50 6.50 7.20 7.60 8.0 10 10.2 56.0 0.04 14.5 276 0.024 6.1 sma6t10ay/cay 20 50 8.60 9.50 10.0 10.5 1 14.5 41.0 0.098 18.6 215 0.038 7.3 sma6t12ay/cay 0.2 1 10.2 11.4 12.0 12.6 1 16.7 36.0 0.114 21.7 184 0.049 7.8 sma6t14ay/cay 0.2 1 12.0 13.3 14.0 14.7 1 18.8 31.0 0.133 23.5 157 0.056 8.3 sma6t15ay/cay 0.2 1 12.8 14.3 15.0 15.8 1 21.2 28.0 0.193 27.2 147 0.078 8.4 sma6t18ay/cay 0.2 1 15.3 17.1 18.0 18.9 1 25.2 24.0 0.263 32.3 123 0.111 8.8 sma6t22ay/cay 0.2 1 18.8 20.9 22.0 23.1 1 30.6 20.0 0.375 39.3 102 0.159 9.2 sma6t24ay/cay 0.2 1 20.5 22.8 24.0 25.2 1 33.2 18.0 0.444 42.8 93.0 0.189 9.4 sma6t28ay/cay 0.2 1 24.0 26.7 28.1 29.5 1 37.8 16.0 0.516 44.3 80.0 0.184 9.6 sma6t30ay/cay 0.2 1 25.6 28.5 30.0 31.5 1 41.5 14.5 0.690 53.5 75.0 0.293 9.7 sma6t33ay/cay 0.2 1 28.2 31.4 33.0 34.7 1 45.7 13.1 0.84 59.0 68.0 0.357 9.8 sma6t39ay/cay 0.2 1 33.3 37.1 39.0 41.0 1 53.9 11.1 1.16 69.7 57.0 0.504 10 sma6t47ay/cay 0.2 1 40.0 44.4 46.7 49. 1 1 62.8 9.70 1.42 73.6 48.0 0.511 10.1 sma6t56ay/cay 0.2 1 47.6 53.2 56.0 58. 8 1 76.6 7.80 2.28 100 40.0 1.030 10.0 sma6t68ay/cay 0.2 1 58.1 64.6 68.0 71. 4 1 92.0 6.50 3.17 121 33.0 1.50 10.4 sma6t82ay/cay 0.2 1 70.0 77.8 81.9 86.0 1 110 5.50 4.38 120 27.0 1.27 10.5 1. pulse test: t p < 50 ms 2. to calculate maximum clamping voltage at another surge level, use the following formula: v clmax = v cl - r d x (i pp - i ppappli ) where i ppappli is the surge current in the application. 3. to calculate v br or v cl versus junction temperature, use the following formulas: v br @ t j = v br @ 25c x (1 + t x (t j - 25)) v cl @ t j = v cl @ 25c x (1 + t x (t j - 25)) 4. surge capability given for both directions for unidirectional and bidirectional types.
characteristics sma6ty 4/11 doc id 17869 rev 3 figure 5. clamping voltage versus peak pulse current exponential waveform (maximum values) figure 3. relative variation of peak power versus initial junction temperature figure 4. peak pulse power versus exponential pulse duration 0 10 20 30 40 50 60 70 80 90 100 110 0 25 50 75 100 125 150 175 % t (c) j 10/1000 s p pp (kw) 0.1 1.0 10.0 0.01 0.10 1.00 10.00 t j initial = 25 c t p (ms) 0.1 1.0 10.0 100.0 1000.0 1 10 100 1000 i pp (a) 10/1000 s t j initial=25 c 8/20 s v cl (v) v cl (v) sma6t6v7a y/cay sma6t30a y/cay sma6t82a y/cay
sma6ty characteristics doc id 17869 rev 3 5/11 figure 6. iso 7637-2 pulse 1 response (v s = -100 v) figure 7. iso 7637-2 pulse 2a response (v s = 50 v) 10 -50 -0.5 -40 -30 -20 -10 0 0.0 0.5 1.0 1.5 2.5 2.0 -15 -10 -5 0 5 -0.5 0.0 0.5 1.0 1.5 2.5 2.0 voltage current sma6t39ay sma6t39ay sma6t39cay sma6t39cay time(ms) time(ms) voltage current time(s) time(s) 10 0.0 50 40 30 20 0 -20 20 40 60 80 100 0.0 -20 20 40 60 80 100 0 4 -4 sma6t39ay sma6t39cay sma6t39ay sma6t39cay
characteristics sma6ty 6/11 doc id 17869 rev 3 figure 8. iso 7637-2 pulse 3a response (v s = -150 v) figure 9. iso 7637-2 pulse 3b response (v s = 100 v) note: iso7637-2 pulses responses are not applicab le for products with a stand off voltage lower than the average battery voltage (13.5 v). voltage current time(s) time(s) -60 -0.5 -50 -40 -30 -20 -10 0 10 20 30 0.0 0.5 1.0 1.5 2.0 -2 -1.5 -1 -0.5 0 0.5 sma6t39ay sma6t39cay sma6t39ay sma6t39cay 10 -0.2 50 40 30 20 0 voltage current time(s) time(s) -0.4 1.2 0 0.8 0.4 0.8 1.8 -0.2 0.8 1.8 sma6t39ay sma6t39cay sma6t39ay sma6t39cay
sma6ty characteristics doc id 17869 rev 3 7/11 figure 10. junction capacitance versus reverse applied voltage for unidirectional types (typical values) figure 11. junction capacitance versus reverse applied voltage for bidirectional types (typical values) c(pf) 10 100 1000 10000 1 10 100 1000 f=1 mhz v osc =30 mv rms t j =25 c SMA6T6V7AY sma6t30ay sma6t82ay v (v) r c(pf) 10 100 1000 10000 1 10 100 1000 f=1 mhz v osc =30 mv rms t j =25 c sma6t6v7cay sma6t30cay sma6t82cay v (v) r figure 12. relative variation of thermal impedance, junction to ambient, versus pulse duration figure 13. thermal resistance junction to ambient versus copper surface under each lead zth (j-a)/rth (j-a) 0.01 0.10 1.00 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 s t p printed circuit board fr4, copper surface = 1 cm 2 r th(j-a) (c/w) 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 printed circuit board fr4, copper thickness = 35 m s cu (cm2) figure 14. leakage current versus junction temperature (typical values) figure 15. peak forward voltage drop versus peak forward current (typical values) i (na) r 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 25 50 75 100 125 150 v r =v rm v rm > 10 v v rm 10 v t (c) j i fm (a) 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 t j =25 c t j =125 c v fm (v)
application and design guidelines sma6ty 8/11 doc id 17869 rev 3 2 application and design guidelines more information is available in the st application note an2689 ?protection of automotive electronics from electrical hazards, guidelines for design and component selection?. 3 ordering information scheme figure 16. ordering information scheme sm a6 t xx ca y surface mount peak pulse power breakdown voltage types automotive grade a6 = 600 w transil in sma 30 = 30 v ca = bidirectional a = unidirectional
sma6ty packaging information doc id 17869 rev 3 9/11 4 packaging information case: jedec do-214aa molded plastic over planar junction terminals: solder plated, solderable as per mil-std-750, method 2026 polarity: for unidirectional types the band indicates cathode flammability: epoxy meets ul 94, v0 rohs package in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. table 3. sma dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.094 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 17. sma footprint dimensions in mm (inches) figure 18. marking layout (1) 1. marking layout can vary according to assembly location. e c l e1 d a1 a2 b 2.63 (0.104) 5.43 (0.214) 1.4 1.64 (0.064) 1.4 (0.055) (0.055) y w w z x x x ecopack compliance xxxx: marking z: manufacturing location y: year ww: week cathode bar (unidirectional devices only ) x
ordering information sma6ty 10/11 doc id 17869 rev 3 5 ordering information 6 revision history table 4. marking order code marking order code marking SMA6T6V7AY 6uay sma6t6v7cay 6bay sma6t7v6ay 6ucy sma6t7v6cay 6bcy sma6t10ay 6udy sma6t10cay 6bdy sma6t12ay 6uey sma6t12cay 6bey sma6t14ay 6ufy sma6t14cay 6bfy sma6t15ay 6ugy sma6t15cay 6bgy sma6t18ay 6uhy sma6t18cay 6bhy sma6t22ay 6ujy sma6t22cay 6bjy sma6t24ay 6uky sma6t24cay 6bky sma6t28ay 6umy sma6t28cay 6bmy sma6t30ay 6uny sma6t30cay 6bny sma6t33ay 6uoy sma6t33cay 6boy sma6t39ay 6uqy sma6t39cay 6bqy sma6t47ay 6ury sma6t47cay 6bry sma6t56ay 6usy sma6t56cay 6bsy sma6t68ay 6uty sma6t68cay 6bty sma6t82ay 6uuy sma6t82cay 6buy table 5. ordering information order code marking package weight base qty delivery mode sma6txxxay/cay (1) 1. where xxx is nominal value of v br and a or ca indicates unidirectional or bidirectional version. see table 2 for list of available devices and their order codes see ta b l e 4 sma 0.072 g 5000 tape and reel table 6. document revision history date revision changes 30-aug-2010 1 initial release. 17-oct-2011 2 deleted old table 2. thermal parameter. updated ta b l e 2 and order codes in ta b l e 2 and ta b l e 4 . updated figure 5 , 10 and 11 . 27-mar-2012 3 added footnote on page 1.
sma6ty doc id 17869 rev 3 11/11 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by two authorized st representatives, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2012 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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