1/8 smp100lc-xxx ? july 2002 - ed: 8c telecom equipment protection: trisil? n bidirectional crowbar protection n voltage range from 8v to 262v n low capacitance from 30 pf to 45pf typ @ 50v n low leakage current : i r =2 m a max n holding current: i h = 150 ma min n repetitive peak pulse current : i pp = 100 a (10/1000s) features the smp100lc-xxx series is a low capacitance transient surge arrestor designed for the protection of high debit rate communication equipment. its low capacitance avoids any distortion of the signal and is compatible with digital line cards (xdsl, t1/e1, isdn...). description schematic diagram any sensitive equipment requiring protection against lightning strikes and power crossing: n analog and digital line cards (xdsl, t1/ e1, isdn...) n terminals (phone, fax, modem...) and central of- fice equipment main applications trisils are not subject to ageing and provide a fail safe mode in short circuit for a better protection. they are used to help equipment to meet main standards such as ul1950, iec950 / csa c22.2 and ul1459. they have ul94 v0 approved resin. smb package is jedec registered (do-214aa). trisils are ul497b approved (file: e136224) and comply with the following standards gr-1089 core, itu-t-k20/k21, vde0433, vde0878, iec61000-4-5 and fcc part 68. benefits smb (jedec do-214aa)
smp100lc-xxx 2/8 symbol parameter value unit r th(j-a) junction to ambient with recommended footprint 100 c/w r th(j-l) junction to leads 20 c/w thermal resistances standard peak surge voltage (v) voltage waveform required peak current (a) current waveform minimum serial resistor to meet standard ( ) gr-1089 core first level 2500 1000 2/10 s 10/1000 s 500 100 2/10 s 10/1000 s 0 0 gr-1089 core second level 5000 2/10 s 500 2/10 s 0 gr-1089 core intra-building 1500 2/10 s 100 2/10 s 0 itu-t-k20/k21 6000 1500 10/700 s 150 37.5 5/310 s 0 0 itu-t-k20 (iec61000-4-2) 8000 15000 1/60 ns esd contact discharge esd air discharge 0 0 vde0433 4000 2000 10/700 s 100 50 5/310 s 0 0 vde0878 4000 2000 1.2/50 s 100 50 1/20 s 0 0 iec61000-4-5 4000 4000 10/700 s 1.2/50 s 100 100 5/310 s 8/20 s 0 0 fcc part 68, lightning surge type a 1500 800 10/160 s 10/560 s 200 100 10/160 s 10/560 s 0 0 fcc part 68, lightning surge type b 1000 9/720 s 25 5/320 s 0 in compliances with the following standards symbol parameter v rm stand-off voltage i rm leakage current at v rm v r continuous reverse voltage i r leakage current at v r v br breakdown voltage v bo breakover voltage i h holding current i bo breakover current i pp peak pulse current c capacitance electrical characteristics (t amb = 25c)
smp100lc-xxx 3/8 100 50 %i pp t t r p 0 t symbol parameter value unit i pp repetitive peak pulse current: 10/1000 m s 8/20 m s 10/560 s 5/310 s 10/160 s 1/20 s 2/10 m s 100 250 120 150 200 250 500 a i fs fail-safe mode : maximum current (note 1) 8/20 m s5ka i tsm non repetitive surge peak on-state current (sinusoidal) t = 20ms t = 16.6ms t = 0.2s t=2s 55 60 25 12 a i2t i2t value for fusing t = 16.6ms t = 20ms 30 a2s t l maximum lead temperature for soldering during 10s 260 c t stg tj storage temperature range maximum junction temperature -55to+150 150 c c note 1: in fail safe mode, the device acts as a short circuit. absolute ratings (t amb = 25c) type i rm @v rm max. i r @v r max. note 1 dynamic v bo @i bo max. max note 2 static v bo @i bo max. max note 3 i h min. note 4 c typ. note 5 c typ. note 6 m av m a v vmavmama pf pf smp100lc-8 2 6 50 825 800 15 800 50 (typ) na 75 smp100lc-25 22 25 40 35 150 na 65 smp100lc-35 32 35 55 55 150 na 55 smp100lc-65 55 65 85 85 150 45 90 smp100lc-90 81 90 120 125 150 40 80 SMP100LC-120 108 120 155 160 150 35 75 smp100lc-140 120 140 185 190 150 30 65 smp100lc-160 144 160 210 220 150 30 65 smp100lc-200 170 200 265 275 150 30 60 smp100lc-230 200 230 300 320 150 30 60 smp100lc-270 230 262 350 370 150 30 60 note 1: i r measured at v r guarantee v br min 3 v r note 4: see funtional holding current test circuit 3 note 2: see functional test circuit 1 note 5: v r = 50v bias, v rms =1v, f=1mhz note 3: see test circuit 2 note 6 :v r = 2v bias, v rms =1v, f=1mhz electrical parameters (tamb = 25c) repetitive peak pulse current tr: rise time (s) tp: pulse duration time (s) ex: pulse waveform 10/1000s tr = 10s tp = 1000s
smp100lc-xxx 4/8 1e-2 1e-1 1e+0 1e+1 1e+2 1e+3 0 10 20 30 40 50 60 70 t(s) itsm(a) f=50hz fig. 1: non repetitive surge peak on-state current versus overload duration (t j initial = 25 c). -25 0 25 50 75 100 125 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 tj(c) ih[tj] / ih[tj=25c] fig. 3: relative variation of holding current versus junction temperature . -25 0 25 50 75 100 125 0.96 0.98 1.00 1.02 1.04 1.06 1.08 tj(c) vbo[tj] / vbo[tj=25c] fig. 4: relative variation of breakover voltage versus junction temperature. 25 50 75 100 125 1 10 100 1000 2000 tj(c) irm[tj] / irm[tj=25c] vrm > 50v vrm < 50v fig. 5: relative variation of leakage current versus junction temperature (typical values). 1e-3 1e-2 1e-1 1e+0 1e+1 1e+2 5e+2 1 10 100 tp(s) zth(j-a)(cw) fig. 6: variation of thermal impedance junction to ambient versus pulse duration (printed circuit board fr4, scu=35 m m, recommended pad layout). 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 1 10 50 vt(v) it(a) tj=25c fig. 2: on-state voltage versus on-state current (typical values)
smp100lc-xxx 5/8 1 2 5 10 20 50 100 300 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 vr(v) c [vr] / c [vr=2v] tj=25c f=1mhz vrms=1v fig. 7: relative variation of junction capacitance versus reverse voltage applied (typical values). 100 v / s, di/dt < 10 a / s, ipp = 100 a 1 kv / s, di/dt < 10 a / s, ipp = 10 a u u 10 f 2 w 45 w 66 w 470 w 83 w 0.36 nf 46 h 60 f 26 h 12 w 250 w 46 h 47 w keytek 'system 2' generator with pn246i module keytek 'system 2' generator with pn246i module test circuit 1 for dynamic i bo and v bo parameters
smp100lc-xxx 6/8 test procedure : pulse test duration (tp = 20ms): - for bidirectional devices = switch k is closed - for unidirectional devices = switch k is open. v out selection - device with v bo < 200 volt -v out = 250 v rms ,r 1 = 140 w . - device with v bo 3 200 volt -v out = 480 v rms ,r 2 = 240 w . test circuit 2 for i bo and v bo parameters : 220v 50hz 1/4 r1 = 140 w r2 = 240 w k ton = 20ms ibo measurement vbo measurement vout dut test circuit 3 for i h parameter r v bat = - 48 v surge generator d.u.t this is a go-no go test which allows to confirm the holding current (i h ) level in a functional test circuit. test procedure : - adjust the current level at the i h value by short circuiting the d.u.t. - fire the d.u.t. with a surge current : i pp = 10a, 10/1000 m s. - the d.u.t. will come back to the off-state within 50 ms max.
7/8 smp100lc-xxx package mechanical data smb (plastic) ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.096 a2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.41 0.006 0.016 e 5.10 5.60 0.201 0.220 e1 4.05 4.60 0.159 0.181 d 3.30 3.95 0.130 0.156 l 0.75 1.60 0.030 0.063 e c l e1 d a1 a2 b 1.52 2.75 2.3 1.52 (0.09) (0.059) (0.108) (0.059) foot print in millimeters (inches)
smp100lc-xxx 8/8 ordering type marking package weight base qty delivery mode smp100lc-8 pl8 smb 0.11g 2500 tape & reel smp100lc-25 l25 smp100lc-35 l35 smp100lc-65 l06 smp100lc-90 l09 SMP100LC-120 l12 smp100lc-140 l14 smp100lc-160 l16 smp100lc-200 l20 smp100lc-230 l23 smp100lc-270 l27 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 2002 stmicroelectronics - printed in italy - all rights reserved. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany hong kong - india - israel - italy - japan - malaysia - malta - morocco - singapore spain - sweden - switzerland - united kingdom - united states. http://www.st.com smp 100 lc - xxx trisil surface mount low capacitance voltage i = 100 a pp order code
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