400w surface mount transient voltage suppressors- 5.0v- 440v e-cmos corp. ( www.ecmos.com.tw ) page 1 of 5 4l05n-rev. f001 smaxx series features 400w peak pulse power capability with a 10/1000 s waveform, repetition rate (duty cycle): 0.01%. low profile surface mounted application in order to optimize board space. excellent clamping capability. low incremental surge resistance. fast response time from 0v to vbr, typically less t han 1 ps for uni-directional & 5 ns for bi-directiona l types. glass passivated chip junction. lead-free parts meet rohs requirments. suffix "-h" indicates halogen-free part, ex. smas5. 0a-h. mechanical data epoxy : ul94-v0 rated flame retardant case : molded plastic, do-214ac / sma-s terminals :plated terminals, solderable per mil-std -750, method 2026 mounting position : any weight : approximated 0.05gram maximum ratings (at t a =25 o c unless otherwise noted) note 1. non-repetitive current pulse, per fig. 3 an d derated above t a =25 per fig. 2 2. mounted on copper pad area of 0.2"x0 .2" (5.0x5.0 mm) per fig 5 3. measured on 8.3 ms single half sine- wave or equivalent square wave, duty cycle=4 pulses per minute maximum 4. v f < 3.5v for v br < 200v and v f < 6.5v for v br >201v. parameter conditions symbol value unit peak power dissipation with a 10/1000 s waveform, note 1, 2 & fig. 1 p ppm 400 w peak pulse current with a 10/1000 s waveform i ppm see table 1 a steady state power dissipation at t l =75 c, note 2 p m(av) 1.0 w peak forward surge current 8.3ms single half sine-w ave, note 3 i fsm 40 a maximum instantaneours forward voltage at 25a for uni-directional types only, note 4 v f 3.5/6.5 v operating junction temperature range t j -55~+150 storage temperature range t stg -55~+150
400w surface mount transient voltage suppressors- 5.0v- 440v e-cmos corp. ( www.ecmos.com.tw ) page 2 of 5 4l05n-rev. f001 smaxx series electrical characteristics (at t =25 c unless otherwise noted) reverse stand-off voltage test current maximum re verse leakage current v rwm v br min v br max i t v c i pp i r @ v rwm v olts volts volts ma volts a ua uni bi sma s5.0a smas5.0ca 5.0 6.40 7.00 10 9.2 43.5 800 ae we sma s6.0a smas6.0ca 6.0 6.67 7.37 10 10.3 38.0 800 ag wg sma s6.5a smas6.5ca 6.5 7.22 7.98 10 11.2 35.7 500 ak wk sma s7.0a smas7.0ca 7.0 7.78 8.60 10 12.0 33.3 200 am wm sma s7.5a smas7.5ca 7.5 8.33 9.21 1.0 12.9 31.0 100 ap wp sma s8.0a smas8.0ca 8.0 8.89 9.83 1.0 13.6 29.4 50 ar wr sma s8.5a smas8.5ca 8.5 9.44 10.4 1.0 14.4 27.7 20 at wt sma s9.0a smas9.0ca 9.0 10.0 11.1 1.0 15.4 26.0 10 av wv smas10a smas1 0ca 10 11.1 12.3 1.0 17.0 23.5 5 ax wx smas11a smas1 1ca 11 12.2 13.5 1.0 18.2 22.0 5 az wz smas12a smas1 2ca 12 13.3 14.7 1.0 19.9 20.1 5 be xe smas13a smas1 3ca 13 14.4 15.9 1.0 21.5 18.6 5 bg xg smas14a smas1 4ca 14 15.6 17.2 1.0 23.2 17.2 5 bk xk smas15a smas1 5ca 15 16.7 18.5 1.0 24.4 16.4 5 bm xm smas16a smas1 6ca 16 17.8 19.7 1.0 26.0 15.4 5 bp xp smas17a smas1 7ca 17 18.9 20.9 1.0 27.6 14.5 5 br xr smas18a smas1 8ca 18 20.0 22.1 1.0 29.2 13.7 5 bt xt smas20a smas2 0ca 20 22.2 24.5 1.0 32.4 12.3 5 bv xv smas22a smas2 2ca 22 24.4 26.9 1.0 35.5 11.2 5 bx xx smas24a smas2 4ca 24 26.7 29.5 1.0 38.9 10.3 5 bz xz smas26a smas2 6ca 26 28.9 31.9 1.0 42.1 9.5 5 ce ye smas28a smas2 8ca 28 31.1 34.4 1.0 45.4 8.8 5 cg yg smas30a smas3 0ca 30 33.3 36.8 1.0 48.4 8.3 5 ck yk smas33a smas3 3ca 33 36.7 40.6 1.0 53.3 7.5 5 cm y m smas36a smas3 6ca 36 40.0 44.2 1.0 58.1 6.9 5 cp yp smas40a smas4 0ca 40 44.4 49.1 1.0 64.5 6.2 5 cr yr smas43a smas4 3ca 43 47.8 52.8 1.0 69.4 5.8 5 ct yt smas45a smas4 5ca 45 50.0 55.3 1.0 72.7 5.5 5 cv yv smas48a smas4 8ca 48 53.3 58.9 1.0 77.4 5.2 5 cx yx smas51a smas5 1ca 51 56.7 62.7 1.0 82.4 4.9 5 cz yz smas54a smas5 4ca 54 60.0 66.3 1.0 87.1 4.6 5 re ze smas58a smas5 8ca 58 64.4 71.2 1.0 93.6 4.3 5 rg zg smas60a smas6 0ca 60 66.7 73.7 1.0 96.8 4.1 5 rk zk smas64a smas6 4ca 64 71.1 78.6 1.0 103.0 3.9 5 rm zm smas70a smas7 0ca 70 77.8 86.0 1.0 113.0 3.5 5 rp zp smas75a smas7 5ca 75 83.3 92.1 1.0 121.0 3.3 5 rr zr smas78a smas7 8ca 78 86.7 95.8 1.0 126.0 3.2 5 rt zt smas85a smas8 5ca 85 94.4 104 1.0 137.0 2.9 5 rv zv breakdown vol tage @ i t part no.(uni) part no.(b i) marking code maximu m clamping v oltage@ i pp
400w surface mount transient voltage suppressors- 5.0v- 440v e-cmos corp. ( www.ecmos.com.tw ) page 3 of 5 4l05n-rev. f001 smaxx series note 1. v br measured after i t applied for 300us, i t =square wave pulse or equivalent 2. surge current waveform per fig. 3 and derat ed per fig. 2 3. for bi-directional types having v rwm of 10 volts and less, the i r limit is doubled 4. suffix c denotes bi-directional devices. suffix a denotes 5% tolerance devices, no suffix denotes 10% tolerance devices. 5. all terms and symbols are consistent with a ns/ieee c62.35 6. transient voltage suppressors (tvs) are dev ices used to protect vulnerable circuits from elect rical overstresssuch as that caused by electrostat ic discharge, inductive load switching and induced lightning. within the tvs, damaging voltage spikes are limited by clamping or avalanche action of a rugged silicon pn junction which reduces the amplitude of the transient to a nondestructive level. see fig. 7 & f ig. 8 rating and characteristic curves (smas series) reverse stand-off voltage test current maximum re verse leakage current v rwm v br min v br max i t v c i pp i r @ v rwm v olts volts volts ma volts a ua uni bi smas90a smas9 0ca 90 100 111 1.0 146.0 2.7 5 rx zx smas100a smas100ca 100 111 123 1.0 162.0 2.5 5 rz zz smas110a smas110ca 110 122 135 1.0 177.0 2.3 5 se ve smas120a smas120ca 120 133 147 1.0 193.0 2.1 5 sg vg smas130a smas130ca 130 144 159 1.0 209.0 1.9 5 sk vk smas150a smas150ca 150 167 185 1.0 243.0 1.6 5 sm v m smas160a smas160ca 160 178 197 1.0 259.0 1.5 5 sp vp smas170a smas170ca 170 189 209 1.0 275.0 1.5 5 sr vr smas180a smas180ca 180 201 222 1.0 292.0 1.4 5 st vt smas200a smas200ca 200 224 247 1.0 324.0 1.2 5 sv vv smas220a smas220ca 220 246 272 1.0 356.0 1.1 5 sx vx smas250a smas250ca 250 279 309 1.0 405.0 1.0 5 sz vz smas300a SMAS300CA 300 335 371 1.0 486.0 0.8 5 te ue smas350a smas350ca 350 391 432 1.0 567.0 0.7 5 tg ug smas400a smas400ca 400 447 494 1.0 648.0 0.6 5 tk uk smas440a smas440ca 440 492 543 1.0 713.0 0.6 5 tm um part no.(uni) part no.(b i) breakdown vol tage @ i t maximu m clamping v oltage@ i pp marking code
400w surface mount transient voltage suppressors- 5.0v- 440v e-cmos corp. ( www.ecmos.com.tw ) page 4 of 5 4l05n-rev. f001 smaxx series
400w surface mount transient voltage suppressors- 5.0v- 440v e-cmos corp. ( www.ecmos.com.tw ) page 5 of 5 4l05n-rev. f001 smaxx series
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