1500 wat t low capacitance transient volt age suppressor w w w . mi c r o s e m i scottsd a l e division . c o m lce6.5 thru lce170a lce6.5 t h ru lce170a descripti on appeara n c e this tran sie n t voltage suppresso r (t vs) produ ct f a mily in clude s a rectifie r diode ele m e n t in serie s and opp osite directio n to achi eve low cap a cita nce perfo rman ce belo w 10 0 pf (see fig u re 2). the l o w l e vel of tvs capa citan c e may be u s e d for p r ote c ting high er f r equ en cy ap plicatio ns i n indu ctive swit chin g en vironme n ts o r ele c tri c al systems invol v ing se con d a r y lightnin g effects per iec610 00 -4-5 as well as rt ca/do - 1 60d or a r i nc 429 for airbo r n e avio nics. with vi rtually in stant aneo us re sp onse, they al so prote c t from esd an d eft per iec61 000 -4 -2 and iec61 0 0 0 -4 -4. if bipo lar tran sient cap ability is required, tw o of these lo w capa citan c e t vs device s m a y be use d in parall e l in oppo site dire ction s (anti - p a rallel ) for co mplete ac p r otection a s s h own in figure 6. case 1 import a n t : f o r the most cur r e n t data, consult mi c r os e m i ? s w e bsite: http:// www .microsemi.com features a p p l i c at ions / be ne fi ts ? unid irecti ona l l o w - ca pacita n c e t v s (for bidir e ction a l se e f i gure 1) ? econom ical p l a s tic encaps ulat ed t vs series for thru- hol e mounti ng ? suppr esses tra n sie n ts up to 1 500 w a tts @ 1 0 /100 0 s (see f i gur e 1)* ? clamps tra n sie n t in less tha n 100 p i co sec o n d s ? w o rking vo ltag e (v wm ) range 6.5 v to 170 v ? options for screen ing i n accor danc e w i th mil - prf - 195 00 for jan, jant x, jan t xv, an d jans are als o avail a b l e b y a d d in g mq, mx, mv, msp prefixes respectiv e l y to part numb e rs, e.g. mxl c e6.5 a, mvlce4 5a, etc. ? surface mou n t equ ival ent pac kages a l so av a ilab l e as smcjlce 6 .5 - smcjlce170a or smcglce6.5 - smcglce1 70 a in separ ate d a ta sheet (co n s ult factor y for other surfac e mount opti o n s ) ? metal herm e tic a ll y se ale d do-13 a x i a l-l ead e d equ ival ents av aila bl e in the l c 6.5 - lc1 70a series in separ ate data sheet ? protection from s w itch in g tran sients an d in du ced rf ? protection for a i rcraft fast data rate lines p e r select level w a veform s in rt ca/do-160 d & arinc 429 ? protection from esd and ef t per iec 610 00- 4-2 an d iec 6100 0-4- 4 ? secon dar y li gh tning pr otectio n per iec61 0 0 0 -4-5 w i t h 42 ohms sourc e impe danc e: class 1: lce6.5 to lc e 170a class 2: lce6.5 to lc e150a class 3: lce6.5 to lce70a class 4: lce6.5 to lce36a ? secon dar y li gh tning pr otectio n per iec61 0 0 0 -4-5 w i t h 12 ohms sourc e impe danc e: class 1 : lce6.5 to lce90a class 2: lce6.5 to lce45 a class 3: lce6.5 to lce22a class 4: lce6.5 to lce11a ? secon dar y li gh tning pr otectio n per iec61 0 0 0 -4-5 w i t h 2 ohms source imped ance: class 2: lce6.5 to lce20a class 3: lce6.5 to lce10a max i mu m rat ing s mechan ic al an d pa ckagin g ? 150 0 w a tts for 10/10 00 s w i th repetition rate of 0.01% or less* at lead te mperatur e (t l ) 25 o c (see f i gs . 1, 2, & 4) ? operatin g & storag e t e mperatures: -65 o to +150 o c ? t hermal resist ance: 22 o c/w junctio n to lea d at 3/8 inch (10 mm) fr om body , or 82 o c/w junction to ambi ent w h e n mount ed on f r 4 pc bo ard w i th 4 mm 2 copper pads (1 oz) an d track w i dt h 1 mm, length 25 mm ? stead y-state p o w e r d i ssip a tio n *: 5 w a tts at t l = 40 o c, or 1.52 w a tts a t t a = 2 5 o c w h en mou n ted o n f r 4 pc boar d descri b e d for thermal re sistance ? sold er t e mperatures: 260 o c for 10 s (max i m u m) ? case: void-free transfer mol ded therm o sett ing epo xy b o d y me eting u l 9 4 v-0 ? t e rminat ions: t i n-lead p l ated a nd so lde r abl e per mil-st d-750 method 2 0 2 6 ? polarit y : c a thod e in dicate d b y ban d ? marking: part number an d pol arit y ban d ? w e igh t : 1.5 grams. (appro x ) ? t ape & reel optio n: standa rd per eia-296 (add ?t r? suffix to part number) ? see ?case 1? packa ge d i men s ions o n last p age * tvs devices are not t y pically u s ed for dc po w e r dissipation and are instead oper at e d < v wm (rated standoff voltage) except for transie nts that briefl y drive the device into avalanche br eakdo w n (v br to v c region) of t he tvs element. a l so see figures 3 and 4 for f u rthe r protection details in rated peak pulse power fo r u n idirectional and bidire ctional configurations respectively . m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 1 cop y right ? 200 2 11-24- 2003 re v a
1500 wat t low capacitance transient volt age suppressor scottsd a l e division lce6.5 thru lce170a w w w . mi c r o s e m i . c o m lce6.5 t h ru lce170a elec tric al ch ara cteri s tic s @ 25 o c bre a k d o wn vol t a g e m i crosem i pa rt num ber revers e st a ndo ff volt a g e v wm vo lts v (br) volts mi n ma x @ i (br) ma m a x i mu m st a ndb y curren t i d @ v wm a m a x i mu m cl a m pin g volt a g e v c @ i pp vo lts m a x i mu m pe a k pulse curren t i pp @ 10/100 0 s a m ps ca p a ci - ta nc e @ 0 volts pf workin g invers e blockin g volt a g e v wib vo lts invers e blockin g l e ak ag e curren t i ib @ v wib a pe a k invers e blockin g volt a g e volts v pib vo lts lce6.5 lce6.5a lce7.0 lce7.0a 6.5 6.5 7.0 7.0 7.22 7.22 7.78 7.78 8.82 7.98 9.51 8.60 10 10 10 10 1000 1000 500 500 12.3 11.2 13.3 12.0 100 100 100 100 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce7.5 lce7.5a lce8.0 lce8.0a 7.5 7.5 8.0 8.0 8.33 8.33 8.89 8.89 10.2 9.21 10.9 9.83 10 10 1 1 250 250 100 100 14.3 12.9 15.0 13.6 100 100 100 100 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce8.5 lce8.5a lce9.0 lce9.0a 8.5 8.5 9.0 9.0 9.44 9.44 10.0 10.0 11.5 10.4 12.2 11.1 1 1 1 1 50 50 10 10 15.9 14.4 16.9 15.4 94 100 89 97 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce10 lce10a lce11 lce11a 10 10 11 11 11.1 11.1 12.2 12.2 13.6 12.3 14.9 13.5 1 1 1 1 5 5 5 5 18.8 17.0 20.1 18.2 80 88 74 82 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce12 lce12a lce13 lce13a 12 12 13 13 13.3 13.3 14.4 14.4 16.3 14.7 17.6 15.9 1 1 1 1 5 5 5 5 22.0 19.9 23.8 21.5 68 75 63 70 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce14 lce14a lce15 lce15a 14 14 15 15 15.6 15.6 16.7 16.7 19.1 17.2 20.4 18.5 1 1 1 1 5 5 5 5 25.8 23.2 26.9 24.4 58 65 56 61 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce16 lce16a lce17 lce17a 16 16 17 17 17.8 17.8 18.9 18.9 21.8 19.7 23.1 20.9 1 1 1 1 5 5 5 5 28.8 26.0 30.5 27.6 52 57 49 54 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce18 lce18a lce20 lce20a 18 18 20 20 20.0 20.0 22.2 22.2 24.4 22.1 27.1 24.5 1 1 1 1 5 5 5 5 32.2 20.2 35.8 32.4 46 51 42 46 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce22 lce22a lce24 lce24a 22 22 24 24 24.4 24.4 26.7 26.7 29.8 26.9 32.6 29.5 1 1 1 1 5 5 5 5 39.4 35.5 43.0 38.9 38 42 35 39 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce26 lce26a lce28 lce28a 26 26 28 28 28.9 28.9 31.1 31.1 35.3 31.9 38.0 34.4 1 1 1 1 5 5 5 5 46.6 42.1 50.1 45.4 32 36 30 33 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce30 lce30a lce33 lce33a 30 30 33 33 33.3 33.3 36.7 36.7 40.7 36.8 44.9 40.6 1 1 1 1 5 5 5 5 53.5 48.4 58.0 53.3 28 31 25.4 28.1 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce36 lce36a lce40 lce40a 36 36 40 40 40.0 40.0 44.4 44.4 48.9 44.2 54.3 49.1 1 1 1 1 5 5 5 5 64.3 58.1 71.4 64.5 23.3 25.8 21.0 23.3 100 100 100 100 75 75 75 75 10 10 10 10 100 100 100 100 lce43 lce43a lce45 lce45a 43 43 45 45 47.8 47.8 50.0 50.0 58.4 52.8 61.1 55.3 1 1 1 1 5 5 5 5 76.7 69.4 80.3 72.7 19.5 21.6 18.7 20.6 100 100 100 100 150 150 150 150 10 10 10 10 200 200 200 200 lce48 lce48a lce51 lce51a 48 48 51 51 53.3 53.3 56.7 56.7 65.1 58.9 69.3 62.7 1 1 1 1 5 5 5 5 85.5 77.4 91.1 82.4 17.5 19.4 16.5 18.2 100 100 100 100 150 150 150 150 10 10 10 10 200 200 200 200 m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 2 cop y right ?
1500 wat t low capacitance transient volt age suppressor scottsd a l e division lce6.5 thru lce170a w w w . mi c r o s e m i . c o m lce6.5 t h ru lce170a bre a k d o wn vol t a g e bre a k d o wn vol t a g e m i crosem i pa rt num ber revers e st a ndo ff volt a g e v wm vo lts v (br) volts mi n ma x @ i (br) ma m a x i mu m st a ndb y curren t i d @ v wm a m a x i mu m cl a m pin g volt a g e v c @ i pp vo lts m a x i mu m pe a k pulse curren t i pp @ 10/100 0 s a m ps ca p a ci - ta nc e @ 0 volts pf workin g invers e blockin g volt a g e v wib vo lts invers e blockin g l e ak ag e curren t i ib @ v wib a pe a k invers e blockin g volt a g e volts v pib vo lts lce54 lce54a lce58 lce58a 54 54 58 58 60.0 60.0 64.4 64.4 73.3 66.3 78.7 71.2 1 1 1 1 5 5 5 5 96.3 87.1 103.0 93.6 15.6 17.2 14.6 16.0 100 100 100 100 150 150 150 150 10 10 10 10 200 200 200 200 lce60 lce60a lce64 lce64a 60 60 64 64 66.7 66.7 71.1 71.1 81.5 73.7 86.9 78.6 1 1 1 1 5 5 5 5 107.0 96.8 114.0 103.0 14.0 15.5 13.2 14.6 90 90 90 90 150 150 150 150 10 10 10 10 200 200 200 200 lce70 lce70a lce75 LCE75A 70 70 75 75 77.8 77.8 83.3 83.3 95.1 86.0 102.0 92.1 1 1 1 1 5 5 5 5 125 113 134 121 12.0 13.3 11.2 12.4 90 90 90 90 150 150 150 150 10 10 10 10 200 200 200 200 lce80 lce80a lce90 lce90a 80 80 90 90 88.7 88.7 100 100 108 98.0 122 111 1 1 1 1 5 5 5 5 142 129 160 146 10.6 11.6 9.4 10.3 90 90 90 90 150 150 300 300 10 10 10 10 200 200 200 200 lce100 lce100a lce110 lce110a 100 100 110 110 111 111 122 122 136 123 149 135 1 1 1 1 5 5 5 5 179 162 196 178 8.4 9.3 7.7 8.4 90 90 90 90 300 300 300 300 10 10 10 10 200 200 400 400 lce120 lce120a lce130 lce130a 120 120 130 130 133 133 144 144 163 147 176 159 1 1 1 1 5 5 5 5 214 193 231 209 7.0 7.8 6.5 7.2 90 90 90 90 300 300 300 300 10 10 10 10 400 400 400 400 lce150 lce150a lce160 lce160a 150 150 160 160 167 167 178 178 204 185 218 197 1 1 1 1 5 5 5 5 268 243 287 259 5.6 6.2 5.2 5.8 90 90 90 90 300 300 300 300 10 10 10 10 400 400 400 400 lce170 lce170a 170 170 189 189 231 209 1 1 5 5 304 275 4.9 5.4 90 90 300 300 10 10 400 400 note : tvs a r e normall y selected according to th e reverse ?stan d o ff voltage? (v wm ) that should be equal to or g r eat er than the dc or continuous peak operating v o ltage level. graphs pulse time (t w ) in s figure 1 peak pul s e powe r vs. puls e time (t w ) in m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 3 cop y right ?
1500 wat t low capacitance transient volt age suppressor m i cro semi scottsdale division 8700 e. thom as rd. po bo x 139 0, scottsdale, az 85252 usa, ( 4 8 0 ) 941- 6300, fax: (480) 947-1 503 page 4 cop y right ? w w w . mi c r o s e m i . c o m scottsd a l e division lce6.5 thru lce170a lce6.5 t h ru lce170a sch e ma ti c a ppli c a t ion s the tvs lo w cap a citance device configurati on is shown in figure 2. as a further o p tion for unidirection a l applications, a n add itional low capacitance rectifier diode ma y be used in parallel in the same pol ari t y direction as th e tvs as sho w n in in figure 3. in appl ications w h e r e random high volt age transients occur, this w ill prevent reverse tr ansients from dama g ing the internal low cap a citance rectifier diode and also provide a lo w voltage conducting direction. the a dded rectifier dio de should be of s i milar low capacitance and also ha ve a hig her rever s e voltage rating than the t vs clamping volt age v c . consult factor y fo r recom m ended rectifier part numbe r. if u s ing tw o (2) lo w capacitance tvs devices in anti-parallel for bidirectional applicati ons, this added protective feat ure for both direc t ions (includi ng t he reverse of e a ch rectifier diode) is also provided. the u n idirectional and bidirecti onal configurations in figure 3 and 4 w ill bo th result in tw ice the capacitance of f igure 2. figu re 2 figu re 3 figure 4 tvs with internal lo w optional unid irectio nal optional bidire ctio nal cap a cita nce diod e config uratio n (tvs and config uratio n (two tvs sep a rate re ctifier diode ) device s in ant i-pa rallel ) in parall e l) pac k ag e dim e n s io ns case 1
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