cystech electronics corp. spec. no. : c767sa issued date : 2009.05.19 revised date :2010.01.14 page no. : 1/5 p4sma6.8a thru p4sma550ca cystek product specification surface mount transient voltage suppressors peak pulse power 400w breakdown voltage 6.8 to 550v p4sma6.8a thru p4sma550ca features outline ? low profile package with built-in strain relief for surface mounted do-214ac (sma) applications ? plastic package has ul flammability classification 94v-0 ? ideal for esd protection of data line in accordance with iec1000-4-2 (iec801-2) ? ideal for eft protection of data line in accordance with iec1000-4-4 (iec801-4) ? very-fast response time ? optimized for lan protection applications ? low incremental surge resistan ce, excellent clamping capability ? glass passivated junction ? high temperature soldering guaranteed: 250c/10seconds at terminals ? 400w peak pulse power capability with a 10/1000 s waveform, repetition rate (duty cycle) : 0.01% (300w above 91v) mechanical data ? case : jedec do-214ac(sma) molded plastic body ? terminals: pure tin plated, solderable per mil-std-750 method 2026 ? polarity: for uni-directional types, the band denotes the cathode, which is positive with respective to the anode under normal tvs operation ? mounting position : any ? weight: 0.002 oz., 0.064 gram devices for bidirectional applications for bi-directional devices, use suffix ca (e.g. p4sma10c a). electrical characteristics apply in both directions. maximum ratings and characteristics (t a =25 c, unless otherwise noted ) parameter symbol value unit peak pulse power dissipation with a 10/1000 s waveform (fig. 1) p ppm minimum 400 (note 1, 2) w peak pulse current with a 10/1000 s waveform (fig. 3) i ppm see next table (note 1) a power dissipation on infinite heatsink, t a =50c p m(av) 1 w peak forward surge current, 8.3ms single half sine wave uni-directional only (note 2) i fsm 40 a typical thermal resistance, junction-to-leads r jl 30 c/w typical thermal resistance, junction-to-ambient (note 3) r ja 120 c/w operating junction and storage temperature range t j ;t stg -55 ~ +150 c notes: 1.non-repetitive current pul se, per fig. 3 and derated above t a =25c per fig. 2. rating is 300w above 91v. 2.mounted on 0.2? 0.2? (5mm 5mm) copper pads to each terminal 3.mounted on minimum recommended pad layout
cystech electronics corp. spec. no. : c767sa issued date : 2009.05.19 revised date :2010.01.14 page no. : 2/5 p4sma6.8a thru p4sma550ca cystek product specification electrical characteristics ratings at 25 ambient temperature, unless otherwise noted. v f =3.5v at i f =25a (uni-directional only) device marking code breakdown voltage v (br) (v) 1 device uni bi min max test current at i t (ma) standoff voltage v wm (v) maximum reverse leakage at v wm i d 3 ( a) maximum peak pulse current i ppm 2 (a) maximum clamping voltage at i ppm v c (v) maximum temperature coefficient of v (br) (%/c) p4sma6.8a 6v8a 6v8c 6.45 7.14 10 5.80 1000 57.1 10.5 0.057 p4sma7.5a 7v5a 7v5c 7.13 7.88 10 6.40 500 53.1 11.3 0.061 p4sma8.2a 8v2a 8v2c 7.79 8.61 10 7.02 200 49.6 12.1 0.065 p4sma9.1a 9v1a 9v1c 8.65 9.55 1.0 7.78 50 44.8 13.4 0.068 p4sma 10a 10a 10c 9.50 10.5 1.0 8.55 10 41.4 14.5 0.073 p4sma 11a 11a 11c 10.5 11.6 1.0 9.40 5.0 38.5 15.6 0.075 p4sma 12a 12a 12c 11.4 12.6 1.0 10.2 5.0 35.9 16.7 0.078 p4sma 13a 13a 13c 12.4 13.7 1.0 11.1 5.0 33.0 18.2 0.081 p4sma 15a 15a 15c 14.3 15.8 1.0 12.8 1.0 28.3 21.2 0.084 p4sma 16a 16a 16c 15.2 16.8 1.0 13.6 1.0 26.7 22.5 0.086 p4sma 18a 18a 18c 17.1 18.9 1.0 15.3 1.0 23.8 25.2 0.088 p4sma 20a 20a 20c 19.0 21.0 1.0 17.1 1.0 21.7 27.7 0.090 p4sma 22a 22a 22c 20.9 23.1 1.0 18.8 1.0 19.6 30.6 0.092 p4sma 24a 24a 24c 22.8 25.2 1.0 20.5 1.0 18.1 33.2 0.094 p4sma 27a 27a 27c 25.7 28.4 1.0 23.1 1.0 16.0 37.5 0.096 p4sma 30a 30a 30c 28.5 31.5 1.0 25.6 1.0 14.5 41.4 0.097 p4sma 33a 33a 33c 31.4 34.7 1.0 28.2 1.0 13.1 45.7 0.098 p4sma 36a 36a 36c 34.2 37.8 1.0 30.8 1.0 12.0 49.9 0.099 p4sma 39a 39a 39c 37.1 41.0 1.0 33.3 1.0 11.1 53.9 0.100 p4sma 43a 43a 43c 40.9 45.2 1.0 36.8 1.0 10.1 59.3 0.101 p4sma 47a 47a 47c 44.7 49.4 1.0 40.2 1.0 9.3 64.8 0.101 p4sma 51a 51a 51c 48.5 53.6 1.0 43.6 1.0 8.6 70.1 0.102 p4sma 56a 56a 56c 53.2 58.8 1.0 47.8 1.0 7.8 77.0 0.103 p4sma 62a 62a 62c 58.9 65.1 1.0 53.0 1.0 7.1 85.0 0.104 p4sma 68a 68a 68c 64.6 71.4 1.0 58.1 1.0 6.5 92.0 0.104 p4sma 75a 75a 75c 71.3 78.8 1.0 64.1 1.0 5.8 103 0.105 p4sma 82a 82a 82c 77.9 86.1 1.0 70.1 1.0 5.3 113 0.105 p4sma 91a 91a 91c 86.5 95.5 1.0 77.8 1.0 4.8 125 0.106 p4sma 100a 100a 100c 95.0 105 1.0 85.5 1.0 4.4 137 0.106 p4sma 110a 110a 110c 105 116 1.0 94.0 1.0 3.9 152 0.107 p4sma 120a 120a 120c 114 126 1.0 102 1.0 3.6 165 0.107 p4sma 130a 130a 130c 124 137 1.0 111 1.0 3.4 179 0.107 p4sma 150a 150a 150c 143 158 1.0 128 1.0 2.9 207 0.108 p4sma 160a 160a 160c 152 168 1.0 136 1.0 2.7 219 0.108 p4sma 170a 170a 170c 162 179 1.0 145 1.0 2.6 234 0.108 p4sma 180a 180a 180c 171 189 1.0 154 1.0 2.4 246 0.108 p4sma 200a 200a 200c 190 210 1.0 171 1.0 2.2 274 0.108
cystech electronics corp. spec. no. : c767sa issued date : 2009.05.19 revised date :2010.01.14 page no. : 3/5 p4sma6.8a thru p4sma550ca cystek product specification electrical characteristics(cont.) device marking code breakdown voltage v (br) (v) 1 device uni bi min max test current at i t (ma) standoff voltage v wm (v) maximum reverse leakage at v wm i d 3 ( a) maximum peak pulse current i ppm 2 (a) maximum clamping voltage at i ppm v c (v) maximum temperature coefficient of v (br) (%/c) p4sma 220a 220a 220c 209 231 1.0 185 1.0 1.8 328 0.108 p4sma 250a 250a 250c 237 263 1.0 214 1.0 1.7 344 0.108 p4sma 300a 300a 300c 285 315 1.0 256 1.0 1.4 414 0.108 p4sma 350a 350a 350c 333 368 1.0 300 1.0 1.2 482 0.108 p4sma 400a 400a 400c 380 420 1.0 342 1.0 1.1 548 0.108 p4sma 440a 440a 440c 418 462 1.0 376 1.0 1.0 602 0.108 p4sma 480a 480a 480c 456 504 1.0 408 1.0 0.9 658 0.108 p4sma 510a 510a 510c 485 535 1.0 434 1.0 0.9 698 0.108 p4sma 530a 530a 530c 503.5 556.5 1.0 450 1.0 0.8 725 0.108 p4sma 540a 540a 540c 513 567 1.0 459 1.0 0.8 740 0.108 p4sma 550a 550a 550c 522.5 577.5 1.0 495 1.0 0.8 760 0.108 note: 1.v (br) measured after i t applied for 300 s, i t =square wave pulse or equivalent 2.surge current waveform per fig. 3 and derate per fig.2 3.for bidirectional types with v wm of 10 volts and less, the i d limit is doubled 4.all terms and symbols are cons istent with ansi/ieee c62.35
cystech electronics corp. spec. no. : c767sa issued date : 2009.05.19 revised date :2010.01.14 page no. : 4/5 p4sma6.8a thru p4sma550ca cystek product specification characteristic curves
cystech electronics corp. spec. no. : c767sa issued date : 2009.05.19 revised date :2010.01.14 page no. : 5/5 p4sma6.8a thru p4sma550ca cystek product specification do-214ac/sma dimension do-214ac/sma plastic surface mounted package cystek package code : sa *:typical inches millimeters inches millimeters dim min. max. min. max. dim min. max. min. max. a 0.050 0.064 1.27 1.63 e 0.006 0.012 0.15 0.31 b 0.095 0.104 2.40 2.65 f 0.004 0.008 0.10 0.20 c 0.157 0.181 4.00 4.60 g 0.031 0.059 0.80 1.50 d 0.075 0.089 1.90 2.25 h 0.189 0.205 4.80 5.20 notes : 1.controlling dimension : millimeters. 2.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.if there is any question with packing specification or packing method, please c ontact your local cystek sales office. material : ? lead : pure tin plated ? mold compound : epoxy resin family, flammability solid burning class:ul94v-0 important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of cystek. ? cystek reserves the right to make changes to its products without notice. ? cystek semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? cystek assumes no liability for any consequence of customer pr oduct design, infringement of pat ents, or application assistance .
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