cystech electronics corp. spec. no. : c296sp issued date : 2011.06.20 revised date : page no. : 1/5 smf5.0a thru smbj190ca cystek product specification surface mount transient voltage suppressors peak pulse power 200w working voltage 5.0 to 190v smf5.0a thru smf190ca features ? glass passivated chip ? uni and bidirectional unit ? excellent clamping capability ? 200w peak pulse power capability with a 10/1000 s waveform, repetition rate (duty cycle) : 0.01% ? very-fast response time ? low leakage ? rohs compliant mechanical data ? case : molded plastic ? terminals: pure tin plated, solderable per mil-std-750 method 2026 ? polarity: for uni-directional types, the band denotes the cathode, which is positive with respective to the anode under normal tvs operation ? mounting position : any ? epoxy: ul 94v-0 rate flame retardant devices for bidirectional applications for bi-directional devices, use suffix ca (e.g. smf10ca) . electrical characteristics apply in both directions. maximum ratings and characteristics (t a =25 c, unless otherwise noted ) parameter symbol value unit peak pulse power dissipation with a 10/1000 s waveform (note 1) p pp 200 w peak pulse power dissipation with a 8/20 s waveform (note 1) p pp 1000 w peak pulse current with a 10/1000 s waveform (note 1) i pp see next table a peak forward surge current, 8.3ms single half sine wave uni-directional only (note 2) i fsm 20 a power dissipation on infinite heatsink at t l =75 c p d 0.4 w maximum instantaneous forward voltage at 25a for unidirectional only (note 4) v f 3.5 v operating junction and storage temperature range t j ;t stg -55 ~ +150 c notes: 1.non-repetitive current pul se, per fig. 5 and derated above t a =25c per fig. 1. 2.mounted on 8.3ms single half sine-wave or equi valent square wave, duty cycl e=4 pulses per minute maximum.
cystech electronics corp. spec. no. : c296sp issued date : 2011.06.20 revised date : page no. : 2/5 smf5.0a thru smbj190ca cystek product specification electrical characteristics ratings at 25 ambient temperature, unless otherwise noted. device marking code breakdown voltage v (br) @i t part number (uni) part number (bi) uni bi min (v) max (v) i t (ma) maximum reverse leakage i r @ v rwm ( a) working peak reverse voltage v rwm (v) maximum reverse surge current i pp (a) maximum clamping voltage v c @i pp (v) smf5.0a smf5.0ca fe ke 6.40 7.00 10 400 5.0 21.74 9.2 smf6.0a smf6.0ca fg kg 6.67 7.37 10 400 6.0 19.42 10.3 smf6.5a smf6.5ca fk kk 7.22 7.98 10 250 6.5 17.86 11.2 smf7.0a smf7.0ca fm km 7.78 8.60 10 100 7.0 16.67 12.0 smf7.5a smf7.5ca fp kp 8.33 9.21 1 50 7.5 15.50 12.9 smf8.0a smf8.0ca fr kr 8.89 9.83 1 25 8.0 14.71 13.6 smf8.5a smf8.5k ft kt 9.44 10.40 1 10 8.5 13.89 14.4 smf9.0a smf9.0ca fv kv 10.00 11.10 1 5 9.0 12.99 15.4 smf10a smf10ca fx kx 11.10 12.30 1 2.5 10.0 11.76 17.0 smf11a smf11ca fz kz 12.20 13.50 1 2.5 11.0 10.99 18.2 smf12a smf12ca he le 13.30 14.70 1 2.5 12.0 10.05 19.9 smf13a smf13ca hg lg 14.40 15.90 1 1 13.0 9.30 21.5 smf14a smf14ca hk lk 15.60 17.20 1 1 14.0 8.62 23.2 smf15a smf15ca hm lm 16.70 18.50 1 1 15.0 8.20 24.4 smf16a smf16ca hp lp 17.80 19.70 1 1 16.0 7.69 26.0 smf17a smf17ca hr lr 18.90 20.90 1 1 17.0 7.25 27.6 smf18a smf18ca ht lt 20.00 22.10 1 1 18.0 6.85 29.2 smf19a smf19ca hb lb 21.10 23.30 1 1 19.0 6.54 30.6 smf20a smf20ca hv lv 22.20 24.50 1 1 20.0 6.17 32.4 smf22a smf22ca hx lx 24.40 26.90 1 1 22.0 5.63 35.5 smf24a smf24ca hz lz 26.70 29.50 1 1 24.0 5.14 38.9 smf26a smf26ca je me 28.90 31.90 1 1 26.0 4.75 42.1 smf28a smf28ca jg mg 31.10 34.40 1 1 28.0 4.41 45.4 smf30a smf30ca jk mk 33.30 36.80 1 1 30.0 4.13 48.4 smf33a smf33ca jm mm 36.70 40.60 1 1 33.0 3.75 53.3 smf36a smf36ca jp mp 40.00 44.20 1 1 36.0 3.44 58.1 smf40a smf40ca jr mr 44.40 49.10 1 1 40.0 3.10 64.5 smf43a smf43ca jt mt 47.80 52.80 1 1 43.0 2.88 69.4 smf45a smf45ca jv mv 50.00 55.30 1 1 45.0 2.75 72.7 smf48a smf48ca jx mx 53.30 58.90 1 1 48.0 2.58 77.4 smf51a smf51ca jz mz 56.70 62.70 1 1 51.0 2.43 82.4 smf54a smf54ca xe ne 60.00 66.30 1 1 54.0 2.30 87.1 smf58a smf58ca xg ng 64.40 71.20 1 1 58.0 2.14 93.6 smf60a smf60ca xk nk 66.70 73.70 1 1 60.0 2.07 96.8 smf64a smf64ca xm nm 71.10 78.60 1 1 64.0 1.94 103.0 smf70a smf70ca xp np 77.80 86.00 1 1 70.0 1.77 113.0 smf75a smf75ca xr nr 83.30 92.10 1 1 75.0 1.65 121.0 smf78a smf78ca xt nt 86.70 95.80 1 1 78.0 1.59 126.0 smf80a smf80ca xb nb 88.80 97.60 1 1 80.0 1.55 129.0
cystech electronics corp. spec. no. : c296sp issued date : 2011.06.20 revised date : page no. : 3/5 smf5.0a thru smbj190ca cystek product specification electrical characteristics(cont.) device marking code breakdown voltage v (br) @i t part number (uni) part number (bi) uni bi min (v) max (v) i t (ma) maximum reverse leakage i r @ v rwm ( a) working peak reverse voltage v rwm (v) maximum reverse surge current i pp (a) maximum clamping voltage v c @i pp (v) smf85a smf85ca xv nv 94.40 104.00 1 1 85.0 1.46 137.0 smf90a smf90ca xx nx 100.00 111.00 1 1 90.0 1.37 146.0 smf100a smf100ca xz nz 111.00 123.00 1 1 100.0 1.23 162.0 smf110a smf110ca te pe 122.00 135.00 1 1 110.0 1.13 177.0 smf120a smf120ca tg pg 133.00 147.00 1 1 120.0 1.04 193.0 smf130a smf130ca tk pk 144.00 159.00 1 1 130.0 0.96 209.0 smf140a smf140ca tb pb 155.00 171.00 1 1 140.0 0.89 224.0 smf150a smf150ca tm pm 167.00 185.00 1 1 150.0 0.82 243.0 smf160a smf160ca tp pp 178.00 197.00 1 1 160.0 0.77 259.0 smf170a smf170ca tr pr 189.00 209.00 1 1 170.0 0.73 275.0 smf180a smf180ca tt pt 200.00 220.00 1 1 180.0 0.69 292.0 SMF190A smf190ca tv pv 211.00 232.00 1 1 190.0 0.69 308.0 note: 1.suffix ?a? denotes 5% tolerance device. 2.add suffix ?c? or ?ca? after part number to specify bi-directional devices. 3.for bidirectional types having v r of 10 volts and less, the i r limit is doubled.
cystech electronics corp. spec. no. : c296sp issued date : 2011.06.20 revised date : page no. : 4/5 smf5.0a thru smbj190ca cystek product specification
cystech electronics corp. spec. no. : c296sp issued date : 2011.06.20 revised date : page no. : 5/5 smf5.0a thru smbj190ca cystek product specification smf dimension *:typical millimeters inches millimeters inches dim min. max. min. max. dim min. max. min. max. a 2.51 2.81 0.100 0.112 e 0.93 1.33 0.037 0.053 b 1.38 1.78 0.055 0.071 f - 0.2 - 0.008 c 0.77 1.09 0.031 0.044 g 0.25 - 0.010 - d 3.51 3.82 0.140 0.152 h notes : 1.controlling dimension : millimeters. 2.maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material. 3.if there is any question with packing specification or packing method, please c ontact your local cystek sales office. material : ? lead : pure tin plated. ? mold compound : epoxy resin family, flammability solid burning class:ul94v-0. important notice: ? all rights are reserved. reproduction in whole or in part is prohibited without the prior written approval of cystek. ? cystek reserves the right to make changes to its products without notice. ? cystek semiconductor products are not warranted to be suitable for use in life-support applications, or systems. ? cystek assumes no liability for any consequence of customer pr oduct design, infringement of pat ents, or application assistance .
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