only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 1 05135 slvu2.8 600 watt ultra low capacitance tvs array d escription the slvu2.8 is a low voltage, low leakage current and ultra low capacitance tvs device designed for eos and esd protecton of low voltage circuits commonly found in network and computng applicatons. this device can be placed at the connector input or at the sensitve ic component and also be used across a single ended data line for the pro - tecton of a single line. the slvu2.8 device meets the iec requirements of 61000-4-2 (esd), 61000-4-4 (eft) and 61000-4-5 (surge). this de - vice has a peak pulse power ratng of 600 wats (8/20s waveform) and is available in a sot-23 package confguraton. f eatures ? 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): 24a, 8/20s - level 2(line- ground) & level 3(line-line) ? esd protecton > 25 kilovolts ? 600 wats peak pulse power per line(tp = 8/20s) ? unidirectonal confguraton ? protects 1 line ? low leakage current < 1.0a ? ultra low capacitance: 2.5pf ? rohs compliant ? reach compliant m ec h ani c al c h aracteristics ? molded jedec sot-23 package ? approximate weight: 8 milligrams ? lead-free pure-tin platng (annealed) ? solder refow temperature: pure-tin - sn, 100: 260-270c ? flammability ratng ul 94v-0 ? 8mm tape and reel per eia standard 481 applications ? ethernet 10/100/1000 base t ? routers and switches ? audio/video inputs ? portable electronics pin configuration sot -23 pac k age 2 3 1
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 2 05135 slvu2.8 typical device c h aracteristics m axi m u m ratings @ 25c unless otherwise specifed para m eter sy m bol value units peak pulse power (tp = 8/20s) - see figure 1 p pp 600 wats peak pulse current (tp = 8/20s) i pp 30 amps repettve peak forward current @ tp = 5s, f=50khz, pin 2 to 3 i frm 700 ma operatng temperature t l -55 to 150 c storage temperature t stg -55 to 150 c electrical c h aracteristics per line @ 25c unless otherwise specifed part nu m ber (n ote 1) device m ar k ing rated stand-off voltage v wm volts m ini m u m brea k down voltage @ 1 m a v (br) volts m ini m u m snap bac k voltage @ i sb = 50m a v sb volts m axi m u m cla m ping voltage (fig. 2) @ i p = 2a v c volts m axi m u m cla m ping voltage (fig. 2) @ i p = 5a v c volts m axi m u m cla m ping voltage (fig. 2) @ i p = 30a v c volts slvu2.8 sla 2.8 3.0 2.8 3.9 7.0 21.0 notes 1. device measured from pin 3 to 1. electrical c h aracteristics per line @ 25c unless otherwise specifed m axi m u m cla m ping voltage p in 2 to 1 (fig. 2) @ i p = 5a v c volts typical cla m ping voltage p in 2 to 1 (fig. 2) @ i p = 30a v c volts m axi m u m lea k age current pin 3 to 1 or pin 2 to 1 @v w m i d a typical capacitance pin 3 to 1 & 2 (tied together) @0v, 1 mhz c pf typical capacitance pin 2 to 1 3 n.c. @0v, 1 mhz c pf m axi m u m pea k reverse voltage pin 3 to 2 (note 1) @i t = 10a v rrm volts m axi m u m reverse lea k age voltage pin 3 to 2 (note 1) @v wm = 2.8v i dr a m axi m u m forward voltage pin 2 to 3 (note 1) @i f = 1a t p = 120s v f volts 8.5 21.0 1.0 20 2.5 40 0.1 2 notes 1. electrical characteristcs for steering diodes.
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 3 05135 slvu2.8 typical device c h aracteristics test waveform parameters t f = 8s t d = 20s t f e -t peak value i pp t d = t/(i pp /2) figure 2 pulse wave for m t - time - s 0 5 10 15 20 25 30 i pp - peak pulse current - % of i pp 0 20 40 60 80 100 120 figure 1 pea k pulse power vs pulse ti m e t d - pulse duraton - s 600w, 8/20s waveform 0.1 1 10 100 1,000 10,000 p pp - peak pulse power - wats 10 100 1,000 10,000
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 4 05135 slvu2.8 typical device c h aracteristics peak pulse power 8/20s average power figure 3 power derating curve t a - ambient temperature - c 0 25 50 75 100 125 150 0 20 40 60 80 100 % of rated power figure 4 typical cla m ping voltage vs pea k pulse current 0 5 10 15 20 25 30 v c - clamping voltage - v 0 4 8 12 16 pin 2 to 1 pin 3 to 1 i pp - peak pulse current - amps 20
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 5 05135 slvu2.8 spice m odel figure 1 spice m odel lcabd - low capacitance avalanche breakdown diode (tvs) lcrd: low capacitance rectfer diode lg - lead inductance lcabd pin 3 i/o lcrd lg 0.6nh i/o lcrd lg 0.6nh pin 2 pin 1, 2 pin 1 lcabd or table 1 - spice para m eters para m eter unit abd ( tvs ) lcrd bv v 3.3 200 ibv a 1 0.01 c jo pf 20 5 i s a 1e-11 1e-13 vj v - 0.6 m - 0.33 0.33 n - 1 1 r s ohms 0.28 0.31 tt s 1e-8 1e-9 eg ev 1.11 1.11
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 6 05135 slvu2.8 application infor m ation figure 1 - unidirectional co mm on m ode protection circuit connectvity is as follows: ? line 1 connected to pin 3. ? pins 1 and 2 connected to ground. circuit board reco mm endations circuit board layout is critcal for electromagnetc compatbility protecton. the following guidelines are recommended: ? the protecton device should be placed near the input terminals or connectors, the device will divert the transient current immediately before it can be coupled into the nearby traces. ? the path length between the tvs device and the protected line should be minimized. ? all conductve loops including power and ground loops should be minimized. ? the transient current return path to ground should be kept as short as possible to reduce parasitc inductance. ? ground planes should be used whenever possible. for multlayer pcbs, use ground vias. figure 2 - bidirectional co mm on m ode protection two sluv2.8 devices used in parallel. circuit connectvity is as follows: ? line 1 connected to pin 1 of device 1 and pin 2 connected to device 2. ? pin 2 of device 1 and pin 1 of device 2 connected to ground. ? pin 3 of both devices not connected. 2 3 1 i/o line gnd 2 3 1 2 3 1 i/o line gnd gnd d1 d2 2 3 1 2 3 1 i/o line 1 d1 d2 i/o line 2 figure 3 - bidirectional differential m ode protection two sluv2.8 devices used in parallel. circuit connectvity is as follows: ? line 1 connected to pin 1 of device 1 and pin 2 connected to device 2. ? line 2 connected to pin 2 of device 1 and pin 1 of device 2. ? pin 3 not connected.
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 7 05135 slvu2.8 sot -23 pac k age infor m ation outline di m ensions di m m illi m eters inc h es m in m ax m in m ax a 2.80 3.04 0.110 0.120 b 1.20 1.40 0.047 0.055 c 0.89 1.11 0.035 0.044 d 0.37 0.50 0.015 0.020 g 1.78 2.04 0.070 0.081 h 0.013 0.100 0.001 0.004 j 0.085 0.177 0.003 0.007 k 0.45 0.60 0.018 0.024 l 0.89 1.02 0.035 0.040 s 2.10 2.50 0.083 0.098 v 0.45 0.60 0.018 0.024 notes 1. controlling dimension: inches. 2. dimensioning and tolerances per ansi y14.5m, 1985. 3. pin 3 is the cathode (unidirectonal only) 4. dimensions are exclusive of mold fash and metal burrs. pad layout di m ensions di m m illi m eters inc h es m in m ax m in m ax a 0.71 0.97 0.028 0.038 b 1.88 2.13 0.074 0.084 c 0.71 0.97 0.028 0.038 d 0.81 1.07 0.032 0.042 notes 1. controlling dimension: inches. a l b s g v 3 1 2 d h c k j 0-10 a c d b
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 8 05135 slvu2.8 tape and reel specifications r eel d ia . t ape w idt h a0 b0 k 0 d e f w p0 p2 p tmax 178mm (7) 8mm 3.15 0.10 2.77 0.10 1.30 0.10 1.55 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05 4.00 0.10 0.228 n otes 1. dimensions are in millimeters. 2. surface mount product is taped and reeled in accordance with eia-481. 3. sufx - t7 = 7 reel - 3,000 pieces per 8mm tape. 4. sufx - t13 = 13 reel - 10,000 pieces per 8mm tape. 5. marking on part - marking code (see page 2) and date code. package outline, pad layout and tape specifcatons per document number 06012.r2 8/10. t op cover tape k0 d p0 p2 10 pitches cumulatve t olerance on t ape. 0.2 a0 b0 p e f w user directon of feed pin 1 t ordering infor m ation base part nu m ber leadfree suffix tape suffix qty/reel reel size tube qty slvu2.8 -lf -t7 3,000 7 n/a slvu2.8 -lf -t13 10,000 13 n/a
only one name means protektion? www.protekdevices.com 05135.r10 9/10 page 9 05135 slvu2.8 co m pany infor m ation co m pany profile 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. contact us corporate 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 web www.protekdevices.com www.protekanalog.com
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