? for surface mounted applications in order to optimize board space ? glass passivated junction ? built-in strain relief ? excellent clamping capability ? low profile package ? low inductance ? excellent clamping capability ? fast response time: typically less than 1.0 ps from 0 volts to bv min ? typical i r less than 1a above 10v ? high temperature soldering guaranteed: 250c/10 seconds at terminals case: jedec do-214ac molded plastic terminal solder plated, solderable per mil-std-750, method 2026 polarity: color band denoted positive end (cathode) except bipolar standard packaging: 12mm tape(eia std rs-481) weight: 0.002 ounces, 0.061 grams ratings at 25c ambient temperature unless otherwise specified. rating symbol v alue units peak pulse power dissipation at t a = 25 c, t p = 1ms (note 1) p ppm minimum 400 watts i ppm see table 1 amps superimposed on rated load, (jedec method)(note 3) operatings and storage temperature range t j , t stg -55 +150 c notes: 1. non-repetitive current pulse, per fig.3 and derated above ta=25 c per fig.2. 2. mounted on 5.0m m 2 (0.03mm thick) copper pads to each termina 3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum. devices for bipolar application s voltage-6.8 to 540 volts 400 watt peak pulse power p m (av) 1.0 steady state power dissipation at t l = 75c lead lengths .375", 9.5mm (note 2) for bidirectional use ca suffix for types p4sma6.8ca thru types p4sma540ca electrical characteristics apply in both directions. maximum ratings and characteristic s watts peak pulse current of on 10/1000 s waveform (note 1) i fsm 40 amps peak forward surge current, 8.3ms single half sine-wave p4sma series glass passivated junction transient voltage suppressor features mechanical data f o r m o s a m s p a g e 1 d o c u m e n t i d i s s u e d d a t e r e v i s e d d a t e r e v i s i o n p a g e . h t t p : / / w w w. f o r m o s a m s . c o m / t e l : 8 8 6 - 2 - 2 2 6 9 6 6 6 1 fa x : 8 8 6 - 2 - 2 2 6 9 6 1 4 1 d s - 2 2 2 6 4 5 2 0 0 8 / 0 2 / 1 0 2 0 1 0 / 0 3 / 1 0 b 3 dimensions in inches and (millimeters) sma/do-214ac 0.087 (2.21) 0.070 (1.80) 0.177(4.50) 0.157(3.99) 0.106(2.7) 0.098(2.5) 0.060(1.52) 0.030(0.76) 0.202(5.15) 0.191(4.85) 0.010(0.250) 0.006(0.150) 0.008(0.203)max. 0.091(2.3) 0.075(1.9) m?w3 f m s k i n t e r 1 3 1 6 8 0 3 0 0 5 8
notes: (1) pulse test: t p 50 ms (2) surge current waveform per fig. 3 and derate per fig. 2 (3) all terms and symbols are consistent with ansi/ieee ca62.35 (4) for bi-directional types with v r 10 v and less, the i d limit is doubled (5) v f = 3.5 v at i f = 25 a (uni-directional only) electrical characteristics (t a = 25 c unless otherwise noted) part number device marking code breakdown voltage v br at i t (1) test current i t (ma) stand-off voltage v wm (v) maximum reverse leakage at v wm i d (4) (a) maximum peak pulse current i ppm (2) (a) maximum clamping voltage at i ppm v c (v) maximum temperature of v br (%/c) uni bi min. max. p4sma6.8a 6v8a 6v8c 6.45 7.14 10 5.80 1000 38.1 10.5 0.057 p4sma7.5a 7v5a 7v5c 7.13 7.88 10 6.40 500 35.4 11.3 0.061 p4sma8.2a 8v2a 8v2c 7.79 8.61 10 7.02 200 33.1 12.1 0.065 p4sma9.1a 9v1a 9v1c 8.65 9.55 1.0 7.78 50.0 29.9 13.4 0.068 p4sma10a 10a 10c 9.5 10.5 1.0 8.55 10.0 27.6 14.5 0.073 p4sma11a 11a 11c 10.5 11.6 1.0 9.40 5.0 25.6 15.6 0.075 p4sma12a 12a 12c 11.4 12.6 1.0 10.2 1.0 24.0 16.7 0.078 p4sma13a 13a 13c 12.4 13.7 1.0 11.1 1.0 22.0 18.2 0.081 p4sma15a 15a 15c 14.3 15.8 1.0 12.8 1.0 18.9 21.2 0.084 p4sma16a 16a 16c 15.2 16.8 1.0 13.6 1.0 17.8 22.5 0.086 p4sma18a 18a 18c 17.1 18.9 1.0 15.3 1.0 15.9 25.2 0.089 p4sma20a 20a 20c 19.0 21.0 1.0 17.1 1.0 14.4 27.7 0.090 p4sma22a 22a 22c 20.9 23.1 1.0 18.8 1.0 13.1 30.6 0.092 p4sma24a 24a 24c 22.8 25.2 1.0 20.5 1.0 12.0 33.2 0.090 p4sma27a 27a 27c 25.7 28.4 1.0 23.1 1.0 10.7 37.5 0.096 p4sma30a 30a 30c 28.5 31.5 1.0 25.6 1.0 9.7 41.4 0.097 p4sma33a 33a 33c 31.4 34.7 1.0 28.2 1.0 8.8 45.7 0.098 p4sma36a 36a 36c 34.2 37.8 1.0 30.8 1.0 8.0 49.9 0.099 p4sma39a 39a 39c 37.1 41.0 1.0 33.3 1.0 7.4 53.9 0.100 p4sma43a 43a 43c 40.9 45.2 1.0 36.8 1.0 6.7 59.3 0.101 p4sma47a 47a 47c 44.7 49.4 1.0 40.2 1.0 6.2 64.8 0.101 p4sma51a 51a 51c 48.5 53.6 1.0 43.6 1.0 5.7 70.1 0.102 p4sma56a 56a 56c 53.2 58.8 1.0 47.8 1.0 5.2 77.0 0.103 p4sma62a 62a 62c 58.9 65.1 1.0 53.0 1.0 4.7 85.0 0.104 p4sma68a 68a 68c 64.6 71.4 1.0 58.1 1.0 4.3 92.0 0.104 P4SMA75A 75a 75c 71.3 78.8 1.0 64.1 1.0 3.9 104 0.105 p4sma82a 82a 82c 77.9 86.1 1.0 70.1 1.0 3.5 113 0.105 p4sma91a 91a 91c 86.5 95.5 1.0 77.8 1.0 3.2 125 0.106 p4sma100a 100a 100c 95.0 105 1.0 85.5 1.0 2.2 137 0.106 p4sma110a 110a 110c 105 116 1.0 94.0 1.0 2.0 152 0.107 p4sma120a 120a 120c 114 126 1.0 102 1.0 1.8 165 0.107 p4sma130a 130a 130c 124 137 1.0 111 1.0 1.7 179 0.107 p4sma150a 150a 150c 143 158 1.0 128 1.0 1.4 207 0.106 p4sma160a 160a 160c 152 168 1.0 136 1.0 1.4 219 0.108 p4sma170a 170a 170c 162 179 1.0 145 1.0 1.3 234 0.108 p4sma180a 180a 180c 171 189 1.0 154 1.0 1.2 246 0.108 p4sma200a 200a 200c 190 210 1.0 171 1.0 1.1 274 0.108 p4sma220a 220a 220c 209 231 1.0 185 1.0 0.90 328 0.108 p4sma250a 250a - 237 263 1.0 214 1.0 0.87 344 0.110 p4sma300a 300a - 285 315 1.0 256 1.0 0.73 414 0.110 p4sma350a 350a - 333 368 1.0 300 1.0 0.62 482 0.110 p4sma400a 400a - 380 420 1.0 342 1.0 0.55 548 0.110 p4sma440a 440a - 418 462 1.0 376 1.0 0.50 602 0.110 p4sma480a 480a - 456 504 1.0 408 1.0 0.46 658 0.110 p4sma510a 510a - 485 535 1.0 434 1.0 0.43 698 0.110 p4sma540a 540a - 513 567 1.0 459 1.0 0.41 740 0.110 p4sma series glass passivated junction transient voltage suppressor f o r m o s a m s p a g e 2 d o c u m e n t i d i s s u e d d a t e r e v i s e d d a t e r e v i s i o n p a g e . h t t p : / / w w w. f o r m o s a m s . c o m / t e l : 8 8 6 - 2 - 2 2 6 9 6 6 6 1 fa x : 8 8 6 - 2 - 2 2 6 9 6 1 4 1 d s - 2 2 2 6 4 5 2 0 0 8 / 0 2 / 1 0 2 0 1 0 / 0 3 / 1 0 b 3 m?w3 f m s k i n t e r 1 3 1 6 8 0 3 0 0 5 8
rating and characteristic curves p4sma series 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 number of cycles at 60 hz 50 5 i fsm -peak forward surge current (a) fig.6 - maximum non-repetitive peak forward surge current uni-directional only 200 t j = t j max, 8.3ms single half sine-wave (jedec method) 0 12.5 25 37.5 50 62.5 75 87.5 100 0 25 50 75 100 125 150 175 200 fig.2 - pulse derating curve peak pulse power (p pp ) or current (i ppm ) derating in percentage,% 0.2x0.2"(5.0x5.0mm) copper pad areas t a - ambient temperature (c) 0.1 1 10 100 10ms 0.1s 1.0s 10s 100s 1.0ms t d - pulse width (sec.) fig. 1 - peak pulse power rating curve p ppm -peak pulse power (kw) 0.2x0.2"(5.0x5.0mm) copper pad areas non-repetitive pulse wavetorm shown in fig.3 t a = 25c p4sma6.8a ? p4sma91a p4sma100a ? p4sma170a 10 100 1000 10000 measured at stand-off voltage, v wm t j = 25c f = 1.0mh z vsig = 50mvp-p fig.4 - typical junction capacitance c j - junction capacitance(pf) 1 100 200 10 uni-directional bi-directional v wm - reverse stand-off voltage (v) t - time(ms) 4.0 150 0 1.0 2.0 t r = 10sec . peak value i ppm t j = 25c pulse width (t d ) is defined as the point where the peak current decays to 50% of i ppm 10/1000sec.waveform as defined by r.e.a. t d fig.3 - pulse waveform 4.0 50 half value- i ppm 2 100 i ppm - peak pulse current,% i rsm 3.0 0 1 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 transient thermal impedance ( /w) fig. 5 - typ.transient thermal impedance t p -pulse duration (sec) p4sma series glass passivated junction transient voltage suppressor f o r m o s a m s p a g e 3 d o c u m e n t i d i s s u e d d a t e r e v i s e d d a t e r e v i s i o n p a g e . h t t p : / / w w w. f o r m o s a m s . c o m / t e l : 8 8 6 - 2 - 2 2 6 9 6 6 6 1 fa x : 8 8 6 - 2 - 2 2 6 9 6 1 4 1 d s - 2 2 2 6 4 5 2 0 0 8 / 0 2 / 1 0 2 0 1 0 / 0 3 / 1 0 b 3 m?w3 f m s k i n t e r 1 3 1 6 8 0 3 0 0 5 8
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