1500 watt low capacitance transient volt age suppressor microsemi scottsdale division 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503 page 1 www. microse scottsdale division copyright ? 2008 10-29-2008 rev f mi . com lce6.5 thru lce170a, e3 lce6.5 thru lce170a, e3 description appearance this transient voltage suppressor (tvs) product family includes a rectifier diode element in series and opposite direction to achieve low capacitance performance below 100 pf (see figure 2). the low level of tvs capacitance may be used for protecting higher frequency applications in inductive switching environments or electrical systems involving secondary lightning effects per iec61000-4-5 as well as rtca/do-160d or arinc 429 for airborne avionics. with virtually in stantaneous response, they also protect from esd and eft per iec61000-4-2 and iec61000-4-4. if bipolar transient capability is required, tw o of these low capacitance tvs devices may be used in parallel in opposite directions (anti - parallel) for complete ac protection as shown in figure 4. c a s e 1 important: for the most current data, consult microsemi?s website: http://www.microsemi.com features applications / benefits ? unidirectional low-capacitance tvs (for bidirectional see figure 4) ? economical plastic encapsulated tvs series for thru- hole mounting ? suppresses transients up to 1500 watts @ 10/1000 s (see figure 1)* ? clamps transient in less than 100 pico seconds ? working voltage (v wm ) range 6.5 v to 170 v ? options for screening in accordance with mil-prf- 19500 for jan, jantx, jantxv, and jans are also available by adding mq, mx, mv, msp prefixes respectively to part numbers, e.g. mxlce6.5a, mvlce45a, etc. ? surface mount equivalent packages also available as smcjlce6.5 - smcjlce170a or smcglce6.5 - smcglce170a in separate data sheet (consult factory for other surface mount options) ? rohs compliant devices available by adding ?e3? suffix ? metal hermetically sealed do-13 axial-leaded equivalents available in the lc6.5 - lc170a series in separate data sheet ? protection from switching transients and induced rf ? low capacitance for data line protection to 1 mhz ? protection for aircraft fast data rate lines up to level 5 waveform 4 and level 2 waveform 5a in rtca/do- 160d (also see micronote 130) & arinc 429 with bit rates of 100 kb/s (per arinc 429, part 1, par 2.4.1.1) ? protection from esd and eft per iec 61000-4-2 and iec 61000-4-4 ? secondary lightning protection per iec61000-4-5 with 42 ohms source impedance: class 1: lce6.5 to lce170a class 2: lce6.5 to lce150a class 3: lce6.5 to lce70a class 4: lce6.5 to lce36a ? secondary lightning protection per iec61000-4-5 with 12 ohms source impedance: 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 ? secondary lightning protection per iec61000-4-5 with 2 ohms source impedance: class 2: lce6.5 to lce20a class 3: lce6.5 to lce10a maximum ratings mechanical and packaging ? 1500 watts for 10/1000 s with repetition rate of 0.01% or less* at lead temperature (t l ) 25 o c (see figs. 1, 2, & 4) ? operating & storage temperatures: -65 o to +150 o c ? thermal resistance: 22 o c/w junction to lead at 3/8 inch (10 mm) from body, or 82 o c/w junction to ambient when mounted on fr4 pc board with 4 mm 2 copper pads (1oz) and track width 1 mm, length 25 mm ? steady-state power dissipation*: 5 watts at t l = 40 o c, or 1.52 watts at t a = 25 o c when mounted on fr4 pc board described for thermal resistance ? solder temperatures: 260 o c for 10 s (maximum) ? case: void-free transfer molded thermosetting epoxy body meeting ul94v-0 ? terminations: tin-lead or rohs compliant annealed matte-tin plating readily solderable per mil-std-750 method 2026 ? polarity: cathode indicated by band ? marking: part number and polarity band ? weight: 1.5 grams. (approx) ? tape & reel option: standard per eia-296 (add ?tr? suffix to part number) ? see ?case 1? package dimensions on last page * tvs devices are not typically used for dc power dissipation and are instead operated < v wm (rated standoff voltage) except for transients that briefly drive the device into avalanche breakdown (v br to v c region) of the tvs element. also see figures 3 and 4 for further protection details in rated peak pulse power for unidirectional and bidire ctional configurations respectively.
1500 watt low capacitance transient volt age suppressor microsemi scottsdale division page 2 www. microsemi . com scottsdale division lce6.5 thru lce170a, e3 lce6.5 thru lce170a, e3 electrical characteristics @ 25 o c breakdown voltage microsemi part number reverse standoff voltage v wm volts v (br) volts min max @ i (br) ma maximum standby current i d @ v wm a maximum clamping voltage v c @ i pp volts maximum peak pulse current i pp @ 10/1000 s amps maximum capacitance @ 0 v f = 1 mhz pf working inverse blocking voltage v wib volts inverse blocking leakage current i ib @ v wib a peak inverse blocking voltage volts v pib volts 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 29.2 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 copyright ? 2008 10-29-2008 rev f 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
1500 watt low capacitance transient volt age suppressor microsemi scottsdale division page 3 www. microsemi . com scottsdale division lce6.5 thru lce170a, e3 lce6.5 thru lce170a, e3 breakdown voltage microsemi part number reverse standoff voltage v wm volts v (br) volts min max @ i (br) ma maximum standby current i d @ v wm a maximum clamping voltage v c @ i pp volts maximum peak pulse current i pp @ 10/1000 s amps capaci- tance @ 0 volts pf working inverse blocking voltage v wib volts inverse blocking leakage current i ib @ v wib a peak inverse blocking voltage volts v pib volts 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 are normally selected according to the reverse ?standoff voltage? (v wm ) that should be equal to or great er than the dc or continuous peak operating voltage level. graphs peak pulse power copyright ? 2008 10-29-2008 rev f pulse time (tw) in s pulse time (t w ) in s figure 1 vs. 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
1500 watt low capacitance transient volt age suppressor microsemi scottsdale division 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503 page 4 www. microsemi . com scottsdale division lce6.5 thru lce170a, e3 lce6.5 thru lce170a, e3 schematic applications the tvs low capacitance device configurati on is shown in figure 2. as a further option for unidirectional applications, an add itional low capacitance rectifier diode may be used in parallel in the same polarity direction as the tvs as shown in figure 3. in applica tions where random high voltage transients occur, this will prevent reverse transi ents from damaging the internal low capacitance rectifier diode and also provide a low voltage conducting direction. the added rectifier diode should be of similar low capacitance and also have a higher revers e voltage rating than the tvs clamping voltage v c . the microsemi recommended rectifier part number is the ?elcr80? for the application in figure 5. if using two (2) low capacitance tvs devices in anti-parallel for bidirectional applications, this added protective feature for both dir ections (including the reverse of each rectifier diode) is also provided. the unidirectional and bidirectional configurations in figure 3 and 4 will both result in twice the capacitance of figure 2. figure 2 figure 3 figure 4 tvs with internal low optional unidirectional optional bidirectional capacitance diode configuration (tvs and configuration (two tvs separate rectifier diode) devices in anti-parallel) in parallel) package dimensions dimensions in inches (mm) case 1 copyright ? 2008 10-29-2008 rev f
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