surface mount transient voltage suppressors (tvs) revision october 18, 2013 1 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw the smaj series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. uni-directional bi-directional u for surface mounted applications in order to optimize board space u low leakage u uni and bidirectional unit u glass passivated junction u low inductance u excellent clamping capability u 400w peak power capability at 10 1000 s waveform repetition rate (duty cycle):0.01% u fast response time: typically less than 1.0ps from 0 volts to v br min u typical i r less than 5 a above 12v u high temperature soldering: 260 c/40 seconds at terminals u typical maximum temperature coefficient v br = 0.1% v br @25 c t u plastic package has underwriters laboratory flammability 94v-0 u matte tin lead C free plated u halogen free and rohs compliant u typical failure mode is short from over-specified voltage or current u whisker test is conducted based on jedec jesd201a per its table 4a and 4c u iec-61000-4-2 esd 15kv(air), 8kv (contact) u esd protection of data lines in accordance with iec 61000-4-2 (iec801-2) u eft protection of data lines in accordance with iec 61000-4-4 (iec801-4) tvs devices are ideal for the protection of i/o interfaces, v cc bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. parameter symbol value unit peak pulse power dissipation with a 10/1000 s waveform (fig.1)(note 1), (note 2) p ppm 400 watts peak pulse current with a 10/1000 s waveform.(note1,fig.3) i pp see next table amps power dissipation on infinite heat sink at t l =75 c p m(av) 1.0 watt peak forward surge current, 8.3ms single half sine wave (note 3) i fsm 40 amps maximum instantaneous forward voltage at 25a for unidirectional only (note 4) v f 3.5/5.0 voltage operating junction and storage temperature range. t j , t stg -55 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 5.0mm x 5.0mm (0.03mm thick) copper pads to each terminal. 3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle = 4 pulses per minutes maximum. 4. v f < 3.5v for v br < 200v and v f < 6.5v for v br > 201v. functional diagram applications maximum ratings (t a =25 unless otherwise noted) description features bi-directional uni-direction cathode anode
surface mount transient voltage suppressors (tvs) revision october 18, 2013 2 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw part number marking breakdown voltage v br (v) @i t uni bi uni bi reverse stand-off voltage v rwm (v) min max test current i t (ma) maximum clamping voltage v c @i pp (v) maximum peak pulse current i pp (a) maximum reverse leakage i r @v rwm ( a ) smaj5.0 smaj5.0c ad wd 5.0 6.40 7.30 7.37 10 9.6 41.67 800 smaj5.0a smaj5.0ca ae we 5.0 6.40 7.00 7.37 10 9.2 43.48 800 smaj6.0 smaj6.0c af wf 6.0 6.67 8.15 10 11.4 35.09 800 smaj6.0a smaj6.0ca ag wg 6.0 6.67 7.37 10 10.3 38.83 800 smaj6.5 smaj6.5c ah wh 6.5 7.22 8.82 10 12.3 32.52 500 smaj6.5a smaj6.5ca ak wk 6.5 7.22 7.98 10 11.2 35.71 500 smaj7.0 smaj7.0c al wl 7.0 7.78 9.51 10 13.3 30.08 200 smaj7.0a smaj7.0ca am wm 7.0 7.78 8.60 10 12.0 33.33 200 smaj7.5 smaj7.5c an wn 7.5 8.33 10.20 1 14.3 27.97 100 smaj7.5a smaj7.5ca ap wp 7.5 8.33 9.21 1 12.9 31.01 100 smaj8.0 smaj8.0c aq wq 8.0 8.89 10.90 1 15.0 26.67 50 smaj8.0a smaj8.0ca ar wr 8.0 8.89 9.83 1 13.6 29.41 50 smaj8.5 smaj8.5c as ws 8.5 9.44 11.50 1 15.9 25.16 10 smaj8.5a smaj8.5ca at wt 8.5 9.44 10.40 1 14.4 27.78 10 smaj9.0 smaj9.0c au wu 9.0 10.00 12.20 1 16.9 23.67 5 smaj9.0a smaj9.0ca av wv 9.0 10.00 11.10 1 15.4 25.97 5 smaj10 smaj10c aw ww 10.0 11.10 13.60 1 18.8 21.28 5 smaj10a smaj10ca ax wx 10.0 11.10 12.30 1 17.0 23.53 5 smaj11 smaj11c ay wy 11.0 12.20 14.90 1 20.1 19.90 5 smaj11a smaj11ca az wz 11.0 12.20 13.50 1 18.2 21.98 5 smaj12 smaj12c bd xd 12.0 13.30 16.30 1 22.0 18.18 5 smaj12a smaj12ca be xe 12.0 13.30 14.70 1 19.9 20.10 5 smaj13 smaj13c bf xf 13.0 14.40 17.60 1 23.8 16.81 5 smaj13a smaj13ca bg xg 13.0 14.40 15.90 1 21.5 18.60 5 smaj14 smaj14c bh xh 14.0 15.60 19.10 1 25.8 15.50 5 smaj14a smaj14ca bk xk 14.0 15.60 17.20 1 23.2 17.24 5 smaj15 smaj15c bl xl 15.0 16.70 20.40 1 26.9 14.87 5 smaj15a smaj15ca bm xm 15.0 16.70 18.50 1 24.4 16.39 5 smaj16 smaj16c bn xn 16.0 17.80 21.80 1 28.8 13.89 5 smaj16a smaj16ca bp xp 16.0 17.80 19.70 1 26.0 15.38 5 smaj17 smaj17c bq xq 17.0 18.90 23.10 1 30.5 13.11 5 smaj17a smaj17ca br xr 17.0 18.90 20.90 1 27.6 14.49 5 SMAJ18 SMAJ18c bs xs 18.0 20.00 24.40 1 32.2 12.42 5 SMAJ18a SMAJ18ca bt xt 18.0 20.00 22.10 1 29.2 13.70 5 smaj19 smaj19c ba xa 19.0 21.13 25.76 1 34.0 11.76 5 smaj19a smaj19ca bb xb 19.0 21.10 23.30 1 30.8 13.00 5 smaj20 smaj20c bu xu 20.0 22.20 27.10 1 35.8 11.17 5 smaj20a smaj20ca bv xv 20.0 22.20 24.50 1 32.4 12.35 5 smaj22 smaj22c bw xw 22.0 24.40 29.80 1 39.4 10.15 5 smaj22a smaj22ca bx xx 22.0 24.40 26.90 1 35.5 11.27 5 smaj24 smaj24c by xy 24.0 26.70 32.60 1 43.0 9.30 5 smaj24a smaj24ca bz xz 24.0 26.70 29.50 1 38.9 10.28 5 smaj26 smaj26c cd yd 26.0 28.90 35.30 1 46.6 8.56 5 smaj26a smaj26ca ce ye 26.0 28.90 31.90 1 42.1 9.50 5 smaj28 smaj28c cf yf 28.0 31.10 38.00 1 50.0 8.00 5 smaj28a smaj28ca cg yg 28.0 31.10 34.40 1 45.4 8.81 5 smaj30 smaj30c ch yh 30.0 33.30 40.70 1 53.5 7.48 5 smaj30a smaj30ca ck yk 30.0 33.30 36.80 1 48.4 8.26 5 smaj33 smaj33c cl yl 33.0 36.70 44.90 1 59.0 6.78 5 smaj33a smaj33ca cm ym 33.0 36.70 40.60 1 53.3 7.50 5 smaj36 smaj36c cn yn 36.0 40.00 48.90 1 64.3 6.22 5 smaj36a smaj36ca cp yp 36.0 40.00 44.20 1 58.1 6.88 5 smaj40 smaj40c cq yq 40.0 44.40 54.30 1 71.4 5.60 5 smaj40a smaj40ca cr yr 40.0 44.40 49.10 1 64.5 6.20 5 smaj43 smaj43c cs ys 43.0 47.80 58.40 1 76.7 5.22 5 smaj43a smaj43ca ct yt 43.0 47.80 52.80 1 69.4 5.76 5 electrical characteristics (t a =25 unless otherwise noted)
surface mount transient voltage suppressors (tvs) revision october 18, 2013 3 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw part number marking breakdown voltage v br (v) @i t uni bi uni bi reverse stand-off voltage v rwm (v) min max test current i t (ma) maximum clamping voltage v c @i pp (v) maximum peak pulse current i pp (a) maximum reverse leakage i r @v rwm ( a ) smaj45 smaj45c cu yu 45.0 50.00 61.10 1 80.3 4.98 5 smaj45a smaj45ca cv yv 45.0 50.00 55.30 1 72.7 5.50 5 smaj48 smaj48c cw yw 48.0 53.30 65.10 1 85.5 4.68 5 smaj48a smaj48ca cx yx 48.0 53.30 58.90 1 77.4 5.17 5 smaj51 smaj51c cy yy 51.0 56.70 69.30 1 91.1 4.39 5 smaj51a smaj51ca cz yz 51.0 56.70 62.70 1 82.4 4.85 5 smaj54 smaj54c rd zd 54.0 60.00 73.30 1 96.3 4.15 5 smaj54a smaj54ca re ze 54.0 60.00 66.30 1 87.1 4.59 5 smaj58 smaj58c rf zf 58.0 64.40 78.70 1 103.0 3.88 5 smaj58a smaj58ca rg zg 58.0 64.40 71.20 1 93.6 4.27 5 smaj60 smaj60c rh zh 60.0 66.70 81.50 1 107.0 3.74 5 smaj60a smaj60ca rk zk 60.0 66.70 73.70 1 96.8 4.13 5 smaj64 smaj64c rl zl 64.0 71.10 86.90 1 114.0 3.51 5 smaj64a smaj64ca rm zm 64.0 71.10 78.60 1 103.0 3.88 5 smaj70 smaj70c rn zn 70.0 77.80 95.10 1 125.0 3.20 5 smaj70a smaj70ca rp zp 70.0 77.80 86.00 1 113.0 3.54 5 smaj75 smaj75c rq zq 75.0 83.30 102.00 1 134.0 2.99 5 smaj75a smaj75ca rr zr 75.0 83.30 92.10 1 121.0 3.31 5 smaj78 smaj78c rs zs 78.0 86.70 106.00 1 139.0 2.88 5 smaj78a smaj78ca rt zt 78.0 86.70 95.80 1 126.0 3.17 5 smaj80 smaj80c ra za 80.0 88.96 108.80 1 143.2 2.79 5 smaj80a smaj80ca rb zb 80.0 88.80 97.60 1 129.6 3.09 5 smaj85 smaj85c ru zu 85.0 94.40 115.00 1 151.0 2.65 5 smaj85a smaj85ca rv zv 85.0 94.40 104.00 1 137.0 2.92 5 smaj90 smaj90c rw zw 90.0 100.00 122.00 1 160.0 2.50 5 smaj90a smaj90ca rx zx 90.0 100.00 111.00 1 146.0 2.74 5 smaj100 smaj100c ry zy 100.0 111.00 136.00 1 179.0 2.23 5 smaj100a smaj100ca rz zz 100.0 111.00 123.00 1 162.0 2.47 5 smaj110 smaj110c sd vd 110.0 122.00 149.00 1 196.0 2.04 5 smaj110a smaj110ca se ve 110.0 122.00 135.00 1 177.0 2.26 5 smaj120 smaj120c sf vf 120.0 133.00 163.00 1 214.0 1.87 5 smaj120a smaj120ca sg vg 120.0 133.00 147.00 1 193.0 2.07 5 smaj130 smaj130c sh vh 130.0 144.00 176.00 1 231.0 1.73 5 smaj130a smaj130ca sk vk 130.0 144.00 159.00 1 209.0 1.91 5 smaj140 smaj140c sa va 140.0 155.68 190.40 1 250.6 1.60 5 smaj140a smaj140ca sb vb 140.0 155.00 171.00 1 226.8 1.76 5 smaj150 smaj150c sl vl 150.0 167.00 204.00 1 268.0 1.49 5 smaj150a smaj150ca sm vm 150.0 167.00 185.00 1 243.0 1.65 5 smaj160 smaj160c sn vn 160.0 178.00 218.00 1 287.0 1.39 5 smaj160a smaj160ca sp vp 160.0 178.00 197.00 1 259.0 1.54 5 smaj170 smaj170c sq vq 170.0 189.00 231.00 1 304.0 1.32 5 smaj170a smaj170ca sr vr 170.0 189.00 209.00 1 275.0 1.45 5 SMAJ180 SMAJ180c ss vs 180.0 201.00 244.80 1 322.2 1.24 5 SMAJ180a SMAJ180ca st vt 180.0 201.00 220.00 1 291.6 1.37 5 smaj190 smaj190c su vu 190.0 211.21 258.40 1 340.1 1.18 5 smaj190a smaj190ca sv vv 190.0 211.00 232.00 1 307.8 1.30 5 smaj200a smaj200ca sw vw 200.0 224.00 247.00 1 324.0 1.23 5 smaj220a smaj220ca sx vx 220.0 246.00 272.00 1 356.0 1.12 5 smaj250a smaj250ca sz vz 250.0 279.00 309.00 1 405.0 0.99 5 smaj300a smaj300ca de he 300.0 335.00 371.00 1 486.0 0.82 5 smaj350a smaj350ca dg hg 350.0 391.00 432.00 1 567.0 0.71 5 smaj400a smaj400ca dk hk 400.0 447.00 494.00 1 648.0 0.62 5 smaj440a smaj440ca dm hm 440.0 492.00 543.00 1 713.0 0.56 5 note: 1. suffix 'a ' denotes 5% tolerance device. without 'a' denotes 10% tolerance device 2. add suffix 'c 'or ' ca ' after part number to specify bi-directional devices 3. for bi-directional devices having v r of 10 volts and under, the i r limit is double electrical characteristics (t a =25 unless otherwise noted) (continue)
surface mount transient voltage suppressors (tvs) revision october 18, 2013 4 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw figure 1 - pe a k pulse power r a ting curve figure 3 - pulse w a veform ratings and characteristic curves ( t a =25 c unless otherwise noted ) figure 4 - typic a l junction c a p a cit a nce 0 25 50 75 100 125 150 175 100 80 60 40 20 0 t a -ambient temperature( c) peak pulse power (p pp ) or current ( i pp ) derating in percentage % figure 5 - steady state power derating curve figure 2 - pulse der a ting curve figure 6 - maximum non - repetitive surge current 150 100 50 0 i ppm - peak pulse current, % i rsm t r =10 sec peak value ippm half value i ppm (i ppm /2) t c 10/1000 sec. waveform as de ? ned by r.e.a 0 1.0 2.0 3.0 4.0 t j =25 c pulse width(td) is de ? ned as the point where the peak current decays to 50% of i ppm t - time (ms) 1.0 0 25 50 75 100 125 150 175 200 0.8 0.6 0.4 0.2 0.0 t l - lead temperature( c) p m(av) , steady state power dissipation (w ) 10 0 t d - pulse width ( s ) p ppm - peak pulse power (kw) 0.1 1 0.1 1 10 100 1000 10000 10 number of cycles at 60hz i fsm - peak forward surge current (a) 1 10 100 30 20 10 0 40 50 t j =t j max. 8.3 ms single half sine - wave 1.0 10.0 100.0 1000.0 10000 1000 100 1 v br -reverse breakdown voltage (v) cj (pf) 10 tj=25 c f=1.0mhz vsig=50mvp-p bi - directional @zero bins un i - directional @zero bins un i - direction al @v rwm b i - directional @v rwm
surface mount transient voltage suppressors (tvs) revision october 18, 2013 5 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw temperature cycle jesd22-a104 weight 0.002 ounce, 0.061 gram pressure cooker jesd22-a102 case jedec do-214ac molded plastic over glass passivated junction high temp. storage jesd22-a103 polarity color band denotes cathode except bipolar htrb jesd22-a108 terminal matte tin-plated leads, solderable per jesd22-b102d thermal shock jesd22-a106 reflow condition lead C free assembly -temperature min (t s(min) ) 150 c -temperature max (t s(max) ) 200 c pre heat - time (min to max) (t s ) 60 -180 seconds average ramp up rate ( liquidus temp t l ) to peak 3 c/second max t s(max) to tl - ramp-up rate 3 c/second max - temperature (t l ) (liquidus) 217 c reflow - time (min to max) (t s ) 60 -150 seconds peak temperature (t p ) 260 +0/-5 c time within 5 c of actual peak temperature (t p ) 20 -40 seconds ramp-down rate 6 c/second max time 25 c to peak temperature (t p ) 8 minutes max do not exceed 280 c ramp-down preheat critical zone t l to t p time to peak temperature (t 25 to peak) t p t l t s(max) t s(min) 25 temperature ramp-up time i - v curve characteristics physical specifications environmental specifications soldering parameters
surface mount transient voltage suppressors (tvs) revision october 18, 2013 6 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw inches millimeters dimensions min max min max a 0.049 0.064 1.230 1.630 b 0.162 0.179 4.10 4.550 c 0.099 0.109 2.510 2.760 d 0.077 0.089 1.960 2.260 e 0.030 0.060 0.750 1.510 f - 0.008 - 0.203 g 0.192 0.206 4.87 5.220 h 0.006 0.012 0.152 0.305 i 0.070 - 1.800 - j 0.082 - 2.100 - k - 0.090 - 2.300 l 0.082 - 2.100 - smaj ca 5% v br voltage tolerance bi-directional v r voltage series dimensions part numbering do -214ac (sma) cathode band
surface mount transient voltage suppressors (tvs) revision october 18, 2013 7 / 7 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. smaj series 5.0 to 440 v 400w un semiconductor co., ltd. www.unsemi.com.tw part number component package quantity packaging option packaging specification smajxxxxx do-214ac (sma) 1000 tape & reel -12mm/7 tape eia std rs-481 packaging tape and reel s pecifications direction of feed 0.49 (12.4) 0.512(13.0) arbor hole diameter 7.0 (177.8) dimensions are in inches (and millimeters) 0. 36 (9.2) 0. 157 (4.0) 0.059 (1.5) diameter 0. 157 (4.0) cover tape 0. 472 (12.0)
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