only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 1 05124 et721 ul tr a low ca p aci t anc e s teer ing diod e a rr ay de sc r i pt ion the et721 is a low capacitance and low leakage steering diode array capable of protectng up to six (6) high speed data lines. its ultra low capacitance allows maintenance of signal integrity for high-speed data lines while protectng the circuit ics from the damage of severe transients. an extremely low leakage current makes the et721 suitable for batery powered devices. the et721 is available in a so-8 package. this device meets all the applicable voltage immunity standards, including iec 61000-4-2 (esd), 61000-4-4 (eft) and 61000-4-5 (surge). f e a t u re s ? compatble with iec 61000-4-2 (esd): air - 15kv, contact - 8kv ? compatble with iec 61000-4-4 (eft): 40a - 5/50ns ? compatble with iec 61000-4-5 (surge): 12a, 8/20s - level 1(line- gnd) & level 2(line-line) ? low clamping voltage ? provides six lines of protecton ? low leakage current: <200na ? ultra low capacitance: 3pf typical ? rohs compliant ? reach compliant m e chanical cha r ac ter is t ics ? molded jedec so-8 package ? approximate weight: 70 milligrams ? lead-free pure-tin platng (annealed) ? solder refow temperature: pure-tin - sn, 100: 260-270c ? 12mm tape and reel per eia standard 481 ? flammability ratng ul 94v-0 a pp lica t ions ? ethernet 10/100/1000 base t ? smart phones ? set-top box interface ? firewire & usb interfaces ? sensors p in con f igu r a t ion so -8 p ackag e i/o 1 i/o 2 i/o 3 -v ee +v cc i/o 6 i/o 5 i/o 4 1 2 4 8 3 5 6 7
only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 2 05124 et721 t y p ical d e vic e cha r ac ter is t ics m a x i m u m r a t ings @ 25c unless o therwise specifed p a r a meter sy mb ol valu e uni t s operatng temperature t a -55 to 150 c storage temperature t stg -55 to 150 c contnuous power dissipaton p pc 145 mw e l e c tr ical cha r ac ter is t ics per lin e @ 25c unless o therwise specifed p a rt nu mber d e vic e m a r king repet i t iv e pe ak re v er s e vol t ag e (n ote 1) v rrm vol t s t y p ical f o r wa r d vol t ag e 8/20 s @ 1 a v f vol t s m a x i m u m pe ak p uls e f o r wa r d cu rre n t @ 8/20 s i fm amp s m a x i m u m re v er s e l e akag e cu rre n t (n ote 2) v rrm i r n a m a x i m u m qui e sc e n t su pp ly cu rre n t (n ote 3) @ 20v i rq n a t y p ical ca p aci t anc e 0 v , 1m h z c j p f et721 sta 50 2 12 20 200 3 n o te 1. v rrm is +v cc for pin 8, -v ee for pin 4. 2. +20v from pin 8 to 1, 2, 3, 5, 6 and 7. -20v from pin 4 to 1, 2, 3, 5, 6 and 7. 3. +20v from pin 8 to 4. test waveform parameters t f = 8s t d = 20s t f e -t peak value i pp t d = t/(i pp /2) f igu re 1 p uls e wav e f o rm t - time - s 0 5 10 15 20 25 30 i pp - peak pulse c urrent - % of i pp 0 20 40 60 80 100 120
only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 3 05124 et721 t y p ical d e vic e cha r ac ter is t ics f igu re 2 non- repet i t iv e pe ak p uls e cu rre n t ca p a b ili t y s quare w ave pulse - ms 0.001 0.01 0.1 1 10 100 peak pulse c urrent - a mps 8 0 2 4 6 f igu re 3 t y p ical low cu rre n t f o r wa r d vol t ag e d r o p forward v oltage d rop - mv 600 800 1000 1200 forward c urrent - ma 0 40 80 120 160 200 t a = 25c single pulse see figure 1 f igu re 4 low f o r wa r d cu rre n t vs f o r wa r d vol t ag e forward v oltage d rop - v 0 1 2 3 forward c urrent - a 0 1 2 3 4 5 t a = 25c single pulse see figure 1
only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 4 05124 et721 s p ic e m od e l f igu re 1 s p ic e m od e l t a b l e 1 - s p ic e p a r a meter s p a r a meter uni t lc r d bv v 200 ibv a 0.01 c jo pf 3 i s a 1e-13 vj v 0.6 m - 0.33 n - 1 r s ohms 0.31 tt s 1e-9 eg ev 1.11 lcrd - low capacitance rectfer diode lg - lead inductance lcrd lg 0.7nh v cc lcrd i/o
only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 5 05124 et721 so -8 p ackag e in f o rm a t ion ou t lin e di me nsions di m m illi meter s inch e s m in m a x m in m a x a 4.80 5.00 0.189 0.196 b 3.80 4.00 0.150 0.157 c 1.35 1.75 0.054 0.068 d 0.35 0.49 0.014 0.019 f 0.40 1.25 0.016 0.049 g 1.27 bsc 0.05 bsc j 0.18 0.25 0.007 0.009 k 0.10 0.25 0.004 0.008 p 5.80 6.20 0.229 0.244 r 0.25 0.50 0.010 0.019 no te s 1. -t- = seatng plane and datum surface. 2. dimensions a and b are datum. 3. dimensions a and b do not include mold protrusion. 4. maximum mold protrusion is 0.015 (0.380mm) per side. 5. dimensioning and tolerances per ansi y14.5m, 1982. 6. dimensions are exclusive of mold fash and metal burrs. p ad layou t di me nsions di m m illi meter s inch e s m in m a x m in m a x a 1.14 1.40 0.045 0.055 b 0.64 0.89 0.025 0.035 c 6.22 - 0.245 - d 3.94 4.17 0.155 0.165 e 1.02 1.27 0.040 0.050 no te s 1. controlling dimension: inches. -a- 8 5 1 4 -b- p g d -t - c k j r x 45 0 - 10 f 4 pl 0.010 (0.25mm) m b + 8 pl 0.010 (0.25mm) b + a t a b c d e m m s s
only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 6 05124 et721 t a pe and ree l user directon of feed t k0 a0 p d p0 p2 e b0 f w 10 pitches cumulatve tolerance on tape 0.2 pin 1 o r d er ing in f o rm a t ion b as e p a rt nu mber l e ad free su ff i x t a pe su ff i x q t y /ree l ree l si ze t u be q t y et721 -lf -t7 1,000 7 98 et721 -lf -t13 2,500 13 98 s pe ci f ica t ions r ee l d ia. ta pe w id t h a 0 b0 k 0 d e f w p0 p2 p tmax 178mm (7) 12mm 6.50 0.10 5.40 0.10 2.00 0.10 1.50 0.10 1.75 0.10 5.50 0.05 12.00 0.30 4.00 0.12 2.00 0.10 4.00 0.10 0.25 n o te s 1. dimensions are in millimeters. 2. surface mount product is taped and reeled in accordance with eia-481. 3. sufx - t7 = 7 reel - 1,000 pieces per 12mm tape. 4. sufx - t13 = 13 reel - 2,500 pieces per 12mm tape. 5. bulk product shipped in tubes of 98 pieces per tube. 6. marking on part - marking code (see page 2), date code, logo and pin one defned by dot on top of package. package outline, pad layout and tape specifcatons per document number 06011.r4 8/10.
only one name means protektion? www.protekdevices.com 05124.r9 9/10 page 7 05124 et721 co mp any in f o rm a t ion co mp any pr ofile protek devices, based in tempe, arizona usa, is a manufacturer of transient voltage suppression (tvs) products designed specifcally for the protecton of electronic systems from the efects of lightning, electrostatc discharge (esd), nuclear electromagnetc pulse (nemp), in - ductve switching and emi/rfi. with over 25 years of engineering and manufacturing experience, protek designs tvs devices that provide applicaton specifc protecton solutons for all electronic equipment/systems. protek devices analog products division, also manufactures analog interface, control, rf and power management products. copyright ? protek devices 2001 - this literature is subject to all applicable copyright laws and is not for resale in any manner. specifications: protek reserves the right to change the electrical and or mechanical characteristcs described herein without notce. design changes: protek reserves the right to discontnue product lines without notce and that the fnal judgement concerning selecton and specifcatons is the buyers and that in furnishing engineering and technical assistance. protek assumes no responsibility with respect to the selecton or specifcatons of such products. protek makes no warranty, representaton or guarantee regarding the suitability of its products for any partcular purpose, nor does protek assume any liability arising out of the applicaton or use of any product or circuit and specifcally disclaims any and all liability without limitaton special, consequental or incidental damages. life support policy: protek devices products are not authorized for use in life support systems without writen consent from the factory. con t ac t us c orporate h eadquarters 2929 south fair lane tempe, arizona 85282 usa by telephone general: 602-431-8101 sales: 602-414-5109 customer service: 602-414-5114 by fax general: 602-431-2288 by e-mail: sales: sales@protekdevices.com customer service: service@protekdevices.com technical support: support@protekdevices.com w eb www.protekdevices.com www.protekanalog.com
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