case: jedec do-201 molded plastic. terminals: axial leads, solderable per mil-std-750, method 2026. polarity: color and d g enotes cathode ex cept bipolar. mounting position: any. peak pulse power dissipation on 10/1000 s waveform . (note 1, note 2, fig. 1) p ppm minimum 400 watts peak pulse current on 10/1000 s waveform. (note 1 , fig. 3) i ppm se e table a mps steady state power dissipation at t l =75 lead length .375 (9.5mm). (note 2, fig. 5) p m(av) 3.3 watts peak forward surge current 8.3ms single half sine-wave superimposed on rated load . ( jedec method) (note 3, fig. 6) i fsm 40 amps operating junction and storage temperature range . t j ,t stg -6 5 to +150 f eatures m echanical d ata d evices f or b ipolar a pplication for surface mounted applications in order to optimize board space. low profile package. built-in strain relief. glass passivated junction. low inductance. excellent clamping capability. repetition rate (duty cycle): 0.01%. fast response time: typically less than 1.0ps from 0 v olt to v br for 8 nidirectional types. typical i r less than 1a above 10v. high temperature soldering: 260c/10 seconds at terminals. plastic package has underwriters laboratory flammability 94v-o. m sma/do-214ac case: jedec do - 214ac. molded plastic over glass passivated junction. terminal: solder plated, solderable per mil-std-750, method 2026. polarity: color band g h q r w h v cathode h xcept bidirectional. standard packaging: 12mm tape (eia std rs- 481). weight: 0.002 ounce, 0.061 grams. for % idirectional use c or ca suffix for type smaj5.0 through type smaj440 (e.g. smaj5.0ca, smaj440ca); e lectrical characteristics apply in both directions. ratings at 25 ambient temperature unless otherwise specified. n 2 . ul e223045 transient 9 r o w d j h 6 x s s u h v v r u v smaj series meritek rating symbol value unit notes: 1. non-repetitive current pulse, per fig. 3 and derated above t a = 25 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 cycl e=4pu lses per minute maximum. m aximum r atings a nd c haracteristics all specifications are subject to change without notice. 1 rev 7
transient 9 r o w d j h 6 x s s u h v v r u v smaj series meritek t s t1 d t d1 d l cathode band sma/do-214ac millimeters inches item min. max. min. max. l 3.99 4.50 0.157 0.177 d 2.54 2.79 0.100 0.110 d1 1.25 1.65 0.049 0.065 t 4.93 5.28 0.194 0.208 t1 0.78 1.52 0.030 0.060 d - 0.203 - 0.008 s 1.98 2.29 0.078 0.090 t 0.152 0.305 0.006 0.012 p ackage d imensions part number device marking code reverse stand-off voltage breakdown voltage @i t breakdown voltage @i t te s t current maximum clamping voltage @i pp peak pulse current reverse leakage @v rwm uni-polar bi-polar uni bi v rwm (v) v br min. (v) v br max. (v) i t (ma) v c (v) i pp (a) i r (a) 8.0 1 13.6 44.2 50 ax wx 10.0 11.10 12.30 1 17.0 23.5 1 az wz 11.0 12.20 13.50 1 18.2 22.0 1 be xe 12.0 13.30 14.70 1 19.9 20.1 1 bg xg 13.0 14.40 15.90 1 21.5 18.6 1 bk xk 14.0 15.60 17.20 1 23.2 17.2 1 bm xm 15.0 16.70 18.50 1 24.4 16.4 1 bp xp 16.0 17.80 19.70 1 26.0 15.4 1 br xr 17.0 18.90 20.90 1 27.6 14.5 1 bt xt 18.0 20.00 22.10 1 29.2 13.7 1 bv xv 20.0 22.20 24.50 1 32.4 12.3 1 1 13.6 29.4 50 smaj5.0a smaj5.0ca ae we smaj6.0a smaj6.0ca ag wg smaj6.5a smaj6.5ca ak wk smaj7.0a smaj7.0ca am wm smaj7.5a smaj7.5ca ap wp smaj8.0a smaj8.0ca ar wr smaj8.5a smaj8.5ca at wt smaj9.0a smaj9.0ca av wv smaj10a smaj10ca smaj11a smaj11ca smaj12a smaj12ca smaj13a smaj13ca smaj14a smaj14ca smaj15a smaj15ca smaj16a smaj16ca smaj17a smaj17ca smaj18a smaj18ca smaj20a smaj20ca 5.0 6.40 7.00 10 9.2 43.5 800 6.0 6.67 7.37 10 10.3 38.8 800 6.5 7.22 7.98 10 11.2 35.7 500 7.0 7.78 8.60 10 12.0 33.3 200 7.5 8.33 9.21 1 12.9 31.0 100 8.5 9.44 10.40 1 14.4 27.8 20 9.0 10.00 11.10 1 15.4 26.0 10 8.89 9.83 s pecifications 2 rev 7
transient 9 r o w d j h 6 x s s u h v v r u v smaj series meritek part number device marking code reverse stand-off voltage breakdown voltage @i t breakdown voltage @i t te s t current maximum clamping voltage @i pp peak pulse current reverse leakage @v rwm uni-polar bi-polar uni bi v rwm (v) v br min. (v) v br max. (v) i t (ma) v c (v) i pp (a) i r (a) bx xx 22.0 24.40 26.90 1 35.5 11.3 1 bz xz 24.0 26.70 29.50 1 38.9 10.3 1 ce ye 26.0 28.90 31.90 1 42.1 9.5 1 cg yg 28.0 31.10 34.40 1 45.4 8.8 1 ck yk 30.0 33.30 36.80 1 48.4 8.3 1 cm ym 33.0 36.70 40.60 1 53.3 7.5 1 cp yp 36.0 40.00 44.20 1 58.1 6.9 1 cr yr 40.0 44.40 49.10 1 64.5 6.2 1 ct yt 43.0 47.80 52.80 1 69.4 5.8 1 cv yv 45.0 50.00 55.30 1 72.7 5.5 1 cx yx 48.0 53.30 58.90 1 77.4 5.2 1 cz yz 51.0 56.70 62.70 1 82.4 4.9 1 re ze 54.0 60.00 66.30 1 87.1 4.6 1 rg zg 58.0 64.40 71.20 1 93.6 4.3 1 rk zk 60.0 66.70 73.70 1 96.8 4.1 1 rm zm 64.0 71.10 78.60 1 103.0 3.9 1 rp zp 70.0 77.80 86.00 1 113.0 3.5 1 rr zr 75.0 83.30 92.10 1 121.0 3.3 1 rt zt 78. 0 86.70 95.80 1 126.0 3.2 1 rv zv 85.0 94.40 104.00 1 137.0 2.9 1 rx zx 90.0 100.00 111.00 1 146.0 2.7 1 rz zz 100.0 111.00 123.00 1 162.0 2.5 1 se ve 110.0 122.00 135.00 1 177.0 2.3 1 sg vg 120.0 133.00 147.00 1 193.0 2.1 1 sk vk 130.0 144.00 159.00 1 209.0 1.9 1 sm vm 150.0 167.00 185.00 1 243.0 1.6 1 sp vp 160.0 178.00 197.00 1 259.0 1.5 1 sr vr 170.0 189.00 209.00 1 275.0 1.5 1 st vt 180.0 201.00 222.00 1 292.0 1.4 1 su yu 190.0 209.00 243.20 1 308.0 1.3 1 sv vv 200.0 224.00 247.00 1 324.0 1.2 1 sw yw 210.0 231.00 268.80 1 340.0 1.2 1 ge vx 220. 0 246.00 272.00 1 356.0 1.1 1 sz vz 250.0 279.00 309.00 1 405.0 1.0 1 te ue 300.0 335.00 371.00 1 486.0 0.8 1 tg ug 350.0 391.00 432.00 1 567.0 0.7 1 tk uk 400.0 447.00 494.00 1 648.0 0.6 1 tm um 440.0 492.00 543.00 1 713.0 0.6 1 n smaj22a smaj22ca smaj24a smaj24ca smaj26a smaj26ca smaj28a smaj28ca smaj30a smaj30ca smaj33a smaj33ca smaj36a smaj36ca smaj40a smaj40ca smaj43a smaj43ca smaj45a smaj45ca smaj48a smaj48ca smaj51a smaj51ca smaj54a smaj54ca smaj58a smaj58ca smaj60a smaj60ca smaj64a smaj64ca smaj70a smaj70ca smaj75a smaj75ca smaj78a smaj78ca smaj85a smaj85ca smaj90a SMAJ90CA smaj100a smaj100ca smaj110a smaj110ca smaj120a smaj120ca smaj130a smaj130ca smaj150a smaj150ca smaj160a smaj160ca smaj170a smaj170ca smaj180a smaj180ca smaj190a smaj190ca smaj200a smaj200ca smaj210a smaj210ca smaj220a smaj220ca smaj250a smaj250ca smaj300a smaj300ca smaj350a smaj350ca smaj400a smaj400ca smaj440a smaj440ca note: for bidirectional type having vrwm of 10 volts and less,the ir limit doubles. 3 rev 7
figure 1 - peak pulse power rating curve figure 2 - pulse derating curve figure 3 - pulse waveform figure 4 - typical junction capacitance figure 5 - steady state power dissipation derating curve figure 6 - maximum non-repetitive forward surge current uni-directional only r ating and c haracteristic c urves (t a : 25c unless otherwise specified) transient 9 r o w d j h 6 x s s u h v v r u v smaj series meritek 0 20 40 60 80 100 0 25 50 75 100 125 150 175 t a -ambient temperature (oc) peak pulse power (p pp ) or current (i pp ) derating in percentage % 0.1 1 10 0.000001 0.00001 0.0001 0.001 t d -pulse width (sec.) p ppm -peak pulse power (kw) 0 c 1 10 100 1000 10000 1.0 10.0 100.0 1000.0 cj (pf) tj=25oc f=1.0mhz vsig=50mvp-p uni-directional v=0v bi-directional v=0v uni-directional @v r bi-directional @vr v br - reverse breakdown voltage (v) i ppm - peak pulse current, % i rsm 0 0 50 100 150 1.0 2.0 3.0 4.0 t r =10sec peak value i ppm i ppm 2 t j =25c pulse width(td) is de?ned as the point where the peak current decays to 50% of i ppm 10/1000sec. waveform as de?ned by r.e.a t d t-time (ms) half value i ppm ( ) 0 0.2 0.4 0.6 0.8 1 1.2 0 25 50 75 100 125 150 175 p m(av) , steady state power dissipation (w) t a - ambient temperature (oc) 0 5 10 15 20 25 30 35 40 45 1 10 100 number of cycles at 60 hz i fsm - peak forward surve current (a) 4 rev 7
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