only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 1 05268 srv2.8-4 ult r a low ca p acitance s tee r ing diode/t vs a rr ay d e s c r i p tion the srv2.8-4 is an ultra low capacitance steering diode/tvs array. this device can be used in applicatons such as video cards, smart phones, gigabit ethernet and other computer interfaces. designed for esd protecton, the srv2.8-4 can clamp the efects of electrical fast transients on the power bus. the srv2.8-4 combines low capacitance steering diodes for up to four individual data or transmission lines and one tvs diode for power bus protecton. this device is available in the space-saving sot-23-6 package confguraton, which minimizes lead inductance to prevent overshoot voltages during high esd current events. the srv2.8-4 meets the iec 61000-4-2, 61000-4-2 and 61000-4-5 requirements. featu r e 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): 24a, 8/20s - level 2(line- gnd) & level 3(line-line0 ? 600 wats peak pulse power per line(tp = 8/20s) ? esd protecton > 25 kilovolts ? low clamping voltage ? protecton for 4 lines ? ultra low capacitance: 3.5pf typical ? rohs compliant ? reach compliant mechanical cha r acte r i s tic s ? molded jedec sot-23-6 package ? approximate weight: 16 milligrams ? lead-free nickel paladium gold platng ? solder refow temperature - 260-270c ? flammability ratng ul 94v-0 ? 8mm tape and reel per eia standard 481 a pp lication s ? gigabit ethernet ? smart phones ? portable electronics ? video card interfaces ? usb 2.0 interfaces ? dvi interfaces p in con f igu r ation s ot-23-6 p ackage 1 6 5 2 3 4 i/o 1 gnd i/o 2 i/o 4 ref i/o 3
only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 2 05268 srv2.8-4 ty p ical de v ice cha r acte r i s tic s ma x imum r ating s @ 25c unless o therwise specifed p a r amete r s ym b ol v alue unit s peak pulse power (tp = 8/20s) - see figure 1 p pp 600 wats operatng temperature t l -55 to 150 c storage temperature t stg -55 to 150 c forward ratng (5ms @ 25c, i f = 10ma) v f 0.5 min. - 1.2 max. volts peak pulse current (tp = 8/20s) - note 1 i pp 30 amps note s 1. across tvs only - pin 2 to pin 5. elect r ical cha r acte r i s tic s p e r line @ 25c unless o therwise specifed p a r t num b e r de v ice ma r king r ated s tand - o ff v oltage ( n ote 1) v wm v olt s minimum br eakdown v oltage ( n ote 1) @ 1 m a v (br) v olt s ma x imum clam p ing v oltage (fig. 2) (n ote 1) @ i p = 1a v c v olt s ma x imum clam p ing v oltage (fig. 2) (n ote 1) @ i p = 5a v c v olt s ma x imum clam p ing v oltage (fig. 2) (n ote 1) @ i p = 24a v c v olt s ma x imum leakage cu rr ent (n ote 1) @v wm i d a ty p ical ca p acitance ( n ote 1) @0v, 1 mh z c j(s d ) p f srv2.8-4 s2 2.8 3.0 5.5 8.5 18 5 3.5 note s 1. measured from i/o pin to ground.
only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 3 05268 srv2.8-4 ty p ical de v ice cha r acte r i s tic s 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 r e 2 p ul s e wa v e f o r m 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 f igu r e 1 p eak p ul s e p owe r vs p ul s e time t d - pulse d uraton - s 600w, 8/20s waveform 0.1 1 10 100 1,000 10,000 p pp - peak pulse power - w ats 10 100 1,000 10,000
only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 4 05268 srv2.8-4 ty p ical de v ice cha r acte r i s tic s peak pulse power 8/20s average power f igu r e 3 p owe r de r ating cu rv e t a - a mbient t emperature - c 0 25 50 75 100 125 150 0 20 40 60 80 100 % o f rated power f igu r e 4 o v e rs hoot & clam p ing v oltage e sd t est pulse - 25 kilovolt, 1/30ns ( w aveshape) 5 volts per division -5 5 15 25 35
only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 5 05268 srv2.8-4 s ot-23-6 p ackage in f o r mation outline dimen s ion s dim millimete rs inche s min ma x min ma x a 2.80 3.05 0.110 0.120 b 1.50 1.75 0.059 0.070 c 0.90 1.30 0.036 0.051 d 0.30 0.40 0.012 0.016 e 0.85 1.05 0.033 0.040 g 0.90 1.45 0.036 0.057 j 0.09 0.20 0.003 0.008 k 2.60 3.00 0.102 0.118 l 0.0 0.15 0.0 0.006 m 0.30 0.60 0.012 0.024 note s 1. controlling dimension: inches. 2. dimensioning and tolerances per ansi y14.5m, 1985. 3. dimensions are exclusive of mold fash and metal burrs. p ad layout dimen s ion s dim millimete rs inche s nominal nominal a 0.70 0.028 b 1.90 0.074 c 0.95 0.037 d 2.40 0.094 e 1.00 0.039 note s 1. controlling dimension: inches. d e k 4 5 6 3 2 1 a g c l b m 0 - 8 j d c b a e
only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 6 05268 srv2.8-4 ta p e and r eel sp eci f ication s reel d ia. t a p e w idth a 0 b0 k 0 d e f w p0 p2 p tmax 178mm (7) 8mm 3.20 0.10 3.20 0.10 1.65 0.10 1.50 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 0.25 n ote s 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. marking on part - marking code (see page 2) and pin one defned by dot on package. package outline, pad layout and tape specifcatons per document number 06013.r5 2/11 o r de r ing in f o r mation b a s e p a r t num b e r lead fr ee s u ff i x ta p e s u ff i x q ty /r eel r eel s i z e tu b e q ty srv2.8-4 n/a -t7 3,000 7 n/a this device is only available in a lead-free confguraton. 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
only one name means protektion? www.protekdevices.com 05268.r1 10/12 page 7 05268 srv2.8-4 com p any in f o r mation copyright ? protek devices 2012 - 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. com p any pr ofile in business more than 20 years, protek devices? is a privately-held company located in tempe, arizona, that ofers a product line of tran - sient voltage suppressors (tvs); avalanche breakdown diodes; steering diode tvs arrays and other surge suppressor component products. these tvs devices protect electronic systems from the efects of lightning, electrostatc discharge (esd), nuclear electromagnetc pulses (nemp), inductve switching and emi / rfi. protek devices also ofers high performance interface and linear products that include analog switches; multplexers; led drivers; audio control ics; rf and related high frequency products. the analog devices work in a host of con - sumer; industrial; automotve and other applicatons. contact us c orporate h eadquarters 2929 south fair lane tempe, arizona 85282 usa by t elephone general: 602-431-8101 sales: & marketng: 602-414-5109 customer service: 602-414-5114 product technical support: 602-414-5107 by fax general: 602-431-2288 by e -mail: sales: sales@protekdevices.com customer service: service@protekdevices.com technical support: support@protekdevices.com pro t ek d evices (a sia pacifc) pte. l td. 8 ubi road 2, #06-19 zervex singapore - 408538 tel: +65-67488312 fax: +65-67488313 w eb www.protekdevices.com
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