case: jedec do - -201 molded plastic. terminals: axial leads, solderable per mil-std-750, method 2026. polarity: color and denotes chode except 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 u nidirectional types. typical i r less than 1a above 10v. high temperature soldering: 260c/10 seconds at terminals. 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 denote s cathode except bidirectional. standard packaging: 12mm tape (eia std rs-481). we ight: 0.002 ounce, 0.061 grams. for b idirectional use ca suffix for type p4s ma6.8ca through type p4sma 550ca; e lectrical characteristics apply in both directions. ratings at 25 ambient temperature unless otherwise specified. n 2 . ul e223045 transient voltage suppressors 3 sma series meritek rating symbol value unit notes: 1. non-repetitive current pulse, per fig. 3 and derated above ta = 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 voltage suppressors 3 sma 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 0.76 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) p4sma6.8a p4sma6.8ca 6v8a 6v8c 5.80 6.45 7.14 10 10.5 39.0 1000 p4sma7.5a p4sma7.5ca 7v5a 7v5c 6.40 7.13 7.88 10 11.3 36.3 500 p4sma8.2a p4sma8.2ca 8v2a 8v2c 7.02 7.79 8.61 10 12.1 33.9 200 p4sma9.1a p4sma9.1ca 9v1a 9v1c 7.78 8.65 9.55 1 13.4 30.6 50 p4sma10a p4sma10ca 10a 10c 8.55 9.50 10.50 1 14.5 28.3 10 p4sma11a p4sma11ca 11a 11c 9.40 10.50 11.60 1 15.6 26.3 5 p4sma12a p4sma12ca 12a 12c 10.20 11.40 12.60 1 16.7 24.6 5 p4sma13a p4sma13ca 13a 13c 11.10 12.40 13.70 1 18.2 22.5 1 p4sma15a p4sma15ca 15a 15c 12.80 14.30 15.80 1 21.2 19.3 1 p4sma16a p4sma16ca 16a 16c 13.60 15.20 16.80 1 22.5 18.2 1 p4sma18a p4sma18ca 18a 18c 15.30 17.10 18.90 1 25.5 16.1 1 p4sma20a p4sma20ca 20a 20c 17.10 19.00 21.00 1 27.7 14.8 1 p4sma22a p4sma22ca 22a 22c 18.80 20.90 23.10 1 30.6 13.4 1 p4sma24a p4sma24ca 24a 24c 20.50 22.80 25.20 1 33.2 12.3 1 p4sma27a p4sma27ca 27a 27c 23.10 25.70 28.40 1 37.5 10.9 1 s pecifications 2 rev 7
transient voltage suppressors 3 sma 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) p4sma30a p4sma30ca 30a 30c 25.60 28.50 31.50 1 41.4 9.9 1 p4sma33a p4sma33ca 33a 33c 28.20 31.40 34.70 1 45.7 9.0 1 p4sma36a p4sma36ca 36a 36c 30.80 34.20 37.80 1 49.9 8.2 1 p4sma39a p4sma39ca 39a 39c 33.30 37.10 41.00 1 53.9 7.6 1 p4sma43a p4sma43ca 43a 43c 36.80 40.90 45.20 1 59.3 6.9 1 p4sma47a p4sma47ca 47a 47c 40.20 44.70 49.40 1 64.8 6.3 1 p4sma51a p4sma51ca 51a 51c 43.60 48.50 53.60 1 70.1 5.8 1 p4sma56a p4sma56ca 56a 56c 47.80 53.20 58.80 1 77.0 5.3 1 p4sma62a p4sma62ca 62a 62c 53.00 58.90 65.10 1 85.0 4.8 1 P4SMA68A p4sma68ca 68a 68c 58.10 64.60 71.40 1 92.0 4.5 1 p4sma75a p4sma75ca 75a 75c 64.10 71.30 78.80 1 103.0 4.0 1 p4sma82a p4sma82ca 82a 82c 70.10 77.90 86.10 1 113.0 3.6 1 p4sma91a p4sma91ca 91a 91c 77.80 86.50 95.50 1 125.0 3.3 1 p4sma100a p4sma100c a 100a 100c 85.50 95.00 105.00 1 137.0 3.0 1 p4sma110a p4sma110c a 110a 110c 94.00 105.00 116.00 1 152.0 2.7 1 p4sma120a p4sma120c a 120a 120c 102.00 114.00 126.00 1 165.0 2.5 1 p4sma130a p4sma130c a 130a 130c 111.00 124.00 137.00 1 179.0 2.3 1 p4sma150a p4sma150c a 150a 150c 128.00 143.00 158.00 1 207.0 2.0 1 p4sma160a p4sma160c a 160a 160c 136.00 152.00 168.00 1 219.0 1.9 1 p4sma170a p4sma170c a 170a 170c 145.00 162.00 179.00 1 234.0 1.8 1 p4sma180a p4sma180c a 180a 180c 154.00 171.00 189.00 1 246.0 1.7 1 p4sma200a p4sma200c a 200a 200c 171.00 190.00 210.00 1 274.0 1.5 1 p4sma220a p4sma220c a 220a 220c 185.00 209.00 231.00 1 328.0 1.3 1 p4sma250a p4sma250c a 250a 250c 214.00 237.00 263.00 1 344.0 1.2 1 p4sma300a p4sma300c a 300a 300c 256.00 285.00 315.00 1 414.0 1.0 1 p4sma350a p4sma350c a 350a 350c 300.00 332.00 368.00 1 482.0 0.9 1 p4sma400a p4sma400c a 400a 400c 342.00 380.00 420.00 1 548.0 0.8 1 p4sma440a p4sma440c a 440a 440c 376.00 418.00 462.00 1 602.0 0.7 1 p4sma480a p4sma480c a 480a 480c 408.00 456.00 504.00 1 658.0 0.6 1 p4sma510a p4sma510c a 510a 510c 434.00 485.00 535.00 1 698.0 0.6 1 p4sma530a p4sma530c a 530a 530c 477.00 503.50 556.50 1 725.0 0.6 1 p4sma540a p4sma540c a 540a 540c 486.00 513.00 567.00 1 740.0 0.5 1 p4sma550a p4sma550c a 550a 550c 495.00 522.50 577.50 1 760.0 0.5 1 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 5 $ 7 , 1 * $ 1 ' & + $ 5 $ & 7 ( 5 , 6 7 , & & 8 5 9 ( 6 (t a : 25c unless otherwise specified) 7 u d q v l h q w 9 r o w d j h 6 x s s u h v v r u v 3 6 0 $ 6 h u l h v meritek 0.1 1 10 0.000001 0.00001 0.0001 0.001 t d -pulse width (sec.) p ppm -peak pulse power (kw) 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 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 % 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 v br - reverse breakdown voltage (v) bi-directional @v r uni-directional @v r 0 0.2 0.4 0.6 0.8 1 1.2 0 25 50 75 100 125 150 175 t a - ambient temperature (oc) p m(av) , steady state power dissipation (w) 0 5 10 15 20 25 30 35 40 45 01 01 1 0 i fsm - peak forward surge current (a) number of cyles at 60 hz 4 rev 7
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