4 shanghai semitech semiconductor co., ltd p4sma series 4 00w surface mount transient voltage su p pressors features l peak power d issipation 4 0 0w @10 x 100 0 us pulse l low profile p ackage. l excellent clamping c apability. l glass passivated j unction. l fast r esponse t ime : t ypical ly less t han 1p s from 0 volts to bv min l typical i r less than 1ua when v br min above 12v. l iec 61000 - 4 - 2 esd 30kv(air), 30kv(contact) l esd protection of data lines in accordance with iec 61000 - 4 - 2 l eft protection of data lines in accordance with iec 61000 - 4 - 4 l halogen free and rohs compliant l lead - free finish mechanical characteristics l case: sma (do - 214ac) molded plastic over glass passivated junction. l mounting position: any l polarity: by cathode band denotes uni - directional device, none cathode band denotes bi - directional device . l terminal: solder plated maximum ratings and characteristics @ 25 c ambient temperature (unless otherwise noted) parameter symbo l value units peak pulse power dissipation on 10/1000 us waveform (note 1 , 2, fig.1 ) p p pm min 4 0 0 w power dissipation on infinite heat sink at t l =50c p d 3.3 w peak pulse current of on 10/1000us waveform (note 1, fig.3) i ppm see table 1 a peak forward surge c urrent, 8.3ms single half sine - w ave (note 2. 3) i fsm 6 0 a operating junction temperature range t j - 5 5 to 150 c storage temperature range t stg - 5 5 to 150 c notes: 1. non - repetitive current pulse, per fig.3 and derated above t a =25 c per fig.2 . 2. mounted on 5.0 x5.0 mm 2 (0.03mm thick) copper pads to each terminal. 3. measured on 8.3 ms single half sine - wave, or equivalent square wave, for unidirectional device only. rev. 2.0, 10 - nov. - 16 www.semitech . cn sma bi - directional uni - directional cathode anode
p4sma series rev. 2.0, 10 - nov. - 16 www.semitech . cn electrical specification @ tamb 25 c type number reverse stand - off voltage breakdown voltage min. @i t breakdown voltage max. @ i t test current maximum clamping voltage @i pp peak pulse current reverse leakage @v rmw (uni) (bi) v rmw (v) v br min (v) v br max (v) i t (ma) v c (v) i pp (a) i r (ua) p4sma 6.8a p4sma 6.8ca 5.80 6.45 7.14 10 10.5 39.0 1000 p4sma 7.5a p4sma 7.5ca 6.40 7.13 7.88 10 11.3 36.3 500 p4sma 8.2a p4sma 8.2ca 7.02 7.79 8.61 10 12.1 33.9 200 p4sma 9.1a p4sma 9.1ca 7.78 8.65 9.55 1 13.4 30.6 50 p4sma 10a p4sma 10ca 8.55 9.50 10.5 0 1 14.5 28.3 10 p4sma 11a p4sma 11ca 9.40 10.5 0 11.6 0 1 15.6 26.3 5 p4sma 12a p4sma 12ca 10.2 0 11.4 0 12.6 0 1 16.7 24.6 5 p4sma 13a p4sma 13ca 11.1 0 12.4 0 13.7 0 1 18.2 22.5 1 p4sma 15a p4sma 15ca 12.8 0 14.3 0 15.8 0 1 21.2 19.3 1 p4sma 16a p4sma 16ca 13.6 0 15.2 0 16.8 0 1 22.5 18.2 1 p4sma 18a p4sma 18ca 15.3 0 17.1 0 18.9 0 1 25.2 16.1 1 p4sma 20a p4sma 20ca 17.1 0 19.0 0 21.0 0 1 27.7 14.8 1 p4sma 22a p4sma 22ca 18.8 0 20.9 0 23.1 0 1 30.6 13.4 1 p4sma 24a p4sma 24ca 20.5 0 22.8 0 25.2 0 1 33.2 12.3 1 p4sma 27a p4sma 27ca 23.1 0 25.7 0 28.4 0 1 37.5 10.9 1 p4sma 30a p4sma 30ca 25.6 0 28.5 0 31.5 0 1 41.4 9.9 1 p4sma 33a p4sma 33ca 28.2 0 31.4 0 34.7 0 1 45.7 9.0 1 p4sma 36a p4sma 36ca 30.8 0 34.2 0 37.8 0 1 49.9 8. 2 1 p4sma 39a p4sma 39ca 33.3 0 37.1 0 41.0 0 1 53.9 7.6 1 p4sma 43a p4sma 43ca 36.8 0 40.9 0 45.2 0 1 59.3 6.9 1 p4sma 47a p4sma 47ca 40.2 0 44.7 0 49.4 0 1 64.8 6.3 1 p4sma 51a p4sma 51ca 43.6 0 48.5 0 53.6 0 1 70.1 5.8 1 p4sma 56a p4sma 56ca 47.8 0 53.2 0 58.8 0 1 77.0 5.3 1 p4sma 62a p4sma 62ca 53.0 0 58.9 0 65.1 0 1 85.0 4.8 1 p4sma 68a p4sma 68ca 58.1 0 64.6 0 71.4 0 1 92.0 4.5 1 p4sma 75a p4sma 75ca 64.1 0 71.3 0 78.8 0 1 103 .0 4.0 1 p4sma 82a p4sma 82ca 70.1 0 77.9 0 86.1 0 1 113 .0 3.6 1 p4sma 91a p4sma 91ca 77.8 0 86.5 0 95.5 0 1 125 .0 3.3 1 p4sma 100a p4sma 100ca 85.5 0 95.0 0 105 .0 0 1 137 .0 3.0 1 p4sma 110a p4sma 110ca 94.0 0 105 .0 0 116 .0 0 1 152 .0 2.7 1 p4sma 120a p4sma 120ca 102 .0 0 114 .0 0 126 .0 0 1 165 .0 2.5 1 p4sma 130a p4sma 130ca 111 .0 0 124 .0 0 137 .0 0 1 179 .0 2.3 1 p4sma 150a p4sma 150ca 128 .0 0 143 .0 0 158 .0 0 1 207 .0 2. 0 1 p4sma160 a p4sma16 0ca 1 36 .0 0 152 .0 0 16 8 .0 0 1 219 .0 1.9 1 p4sma 170a p4sma 170ca 145 .0 0 162 .0 0 179 .0 0 1 234 .0 1.8 1 p4sma 180a p4sma 180ca 154 .0 0 171 .0 0 189 .0 0 1 246 .0 1.7 1 for bi - directional type having v rwm of 10 volts and less, the i r limit is double . for parts without a, the vbr is 10% and vc is 5% higher than with a parts.
p4sma series rev. 2.0, 10 - nov. - 16 www.semitech . cn type number reverse stand - off voltage breakdown voltage min. @i t breakdown voltage max. @ i t test current maximum clamping voltage @i pp peak pulse current reverse leakage @v rmw (uni) (bi) v rmw (v) v br min (v) v br max (v) i t (ma) v c (v) i pp (a) i r (ua) p4sma 200a p4sma 200ca 171 .0 0 190 .0 0 210 .0 0 1 274 .0 1.5 1 p4sma 220a p4sma 220ca 185 .0 0 209 .0 0 231 .0 0 1 328 .0 1. 3 1 p4sma 250a p4sma 250ca 214 .0 0 237 .0 0 263 .0 0 1 344 .0 1. 2 1 p4sma 300a p4sma 300ca 256 .0 0 285 .0 0 315 .0 0 1 414 .0 1. 0 1 p4sma 350a p4sma 350ca 300 .0 0 33 2 .0 0 368 .0 0 1 482 .0 0.9 1 p4sma 400a p4sma 400ca 342 .0 0 380 .0 0 420 .0 0 1 548 .0 0.8 1 p4sma 440a p4sma 440ca 376 .0 0 418 .0 0 462 .0 0 1 602 .0 0.7 1 p4sma48 0a p4sma48 0ca 408 .0 0 456 .0 0 504 .0 0 1 658 .0 0.6 1 p4sma51 0a p4sma 51 0ca 434 .0 0 485 .0 0 535 .0 0 1 6 98 .0 0.6 1 p4sma53 0a p4sma53 0ca 451 .0 0 503 .5 0 556 .5 0 1 725 .0 0.6 1 p4sma5 40a p4sma 54 0ca 460 .0 0 513 .0 0 567 .0 0 1 740 .0 0.5 1 p4sma55 0a p4sma55 0ca 468 .0 0 522 .5 0 577 .5 0 1 760 .0 0 . 5 1 for bi - directional type having v rwm of 10 volts and less, the i r limit is double for parts without a, the vbr is 10% and vc is 5% higher than with a parts. i - v curve characteristics p ppm peak pulse power dissipation - max power dissipation v rwm reverse stand - off voltage - maximum voltage that can be applied to tvs without operation v br breakdown voltage C maximum voltage that flows though the tvs at a specified current (i t ) v c clamping voltage C peak voltage measured across the tvs at a specified i ppm (peak impulse current) i r reverse leakage current C current measured at v r v f forward voltage drop for uni - directional bi - directional un i - directional
p4sma series rev. 2.0, 10 - nov. - 16 www.semitech . cn ratings and characteristic curves ( t a =25 c unless otherwise noted ) fig.1 peak pulse power rating fig.2 pulse derating cure fig.3 pulse waveform fig.4 typical junction capacitance
p4sma series rev. 2.0, 10 - nov. - 16 www.semitech . cn package ou tline dimensions do - 214a c (sm a ) d im millimeters inches min max min max a 3.99 4.50 0.157 0.177 b 2.54 2.79 0.100 0.110 c 1.25 1.65 0.049 0.065 d 0.152 0.305 0.006 0.012 e 4.93 5.28 0.194 0.208 f ---- 0.203 ---- 0.008 g 1.98 2.29 0.078 0.090 h 0.76 1.52 0.030 0.060
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