only one name means protektion? www.protekdevices.com 05167.r8 8/10 page 1 05167 sr2.8 - sr3.3 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 sr series ofers two low voltage (2.8v & 3.3v) and low capacitance steering diode tvs arrays. this series is designed to protect two line pair or four data/transmission lines from the efects of electrostatc discharge (esd) and electrical fast transients (eft). the sr series is ideal for low voltage circuit applicatons. the leakage current for the sr2.8 is less than 1.0 microam - pere. the low capacitance of the steering diode allows the designer to protect high speed data applicatons. the small sot-143 package, with four leads reduces the internal lead inductance for low overshoot voltage during fast front tme transient events, such as esd. this device meets the iec 61000-4-2 and iec 61000-4-4 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-line) ? 300 wats peak pulse power per line (tp = 8/20s) ? provides two lines of protecton ? low leakage current < 1.0a ? ultra low capacitance: 4.5pf typical ? rohs compliant ? reach compliant mechanical cha r acte r i s tic s ? molded jedec sot-143 package ? approximate weight: 9 milligrams ? lead-free pure-tin platng (annealed) ? solder refow temperature: pure-tin - sn, 100: 260-270c ? 8mm tape and reel per eia standard 481 ? flammability ratng ul 94v-0 a pp lication s ? ethernet - 10/100/1000 base t ? usb ? handheld electronics ? video cards ? wan/lan equipment s ot -143 p ackage p in con f igu r ation 3 4 1 2 gnd ref i/o i/o
only one name means protektion? www.protekdevices.com 05167.r8 8/10 page 2 05167 sr2.8 - sr3.3 ty p ical de v ice cha r acte r i s tic s m a x i m u m r ating s @ 25c unless o therwise specifed p a r a m ete r s y mb ol v alue unit s operatng temperature t l -55 to 150 c storage temperature t stg -55 to 150 c peak pulse power (tp = 8/20s) - see figure 1 p pp 300 wats forward surge ratng (1/20s @ 25c, i f = 10ma) v f 1 volts peak pulse current (tp = 8/20s) i pp 30 amps elect r ical cha r acte r i s tic s p e r line @ 25c unless o therwise specifed p a r t nu mb e r de v ice m a r king r ated s tand - o ff v oltage ( n ote 1) v wm v olt s m ini m u m s na p-b ack v oltage @ 50 m a v (sb) v olt s m ini m u m br eakdown v oltage ( n ote 1) @ 2 a v (br) v olt s m a x i m u m cla mp ing v oltage (f ig. 2) ( n ote 1) @ i p = 1 a v c v olt s m a x i m u m cla mp ing v oltage (f ig. 2) ( n ote 1) @ 8/20 s v c v olt s m a x i m u m leakage cu rr ent ( n ote 1) @ v w m i d a ty p ical ca p acitance ( n ote 2) 0v, 1m h z c j(s d ) p f sr2.8 2a 2.8 2.8 3.0 5.0 8.5v @ 5a 1 4.5 sr3.3 3a 3.3 3.3 3.5 7.0 15v @ 10a 1 4.5 note s 1. from pin 4 to 1. 2. from pin 1 to 3, 1 to 2, 3 to 4, 2 to 4.
only one name means protektion? www.protekdevices.com 05167.r8 8/10 page 3 05167 sr2.8 - sr3.3 ty p ical de v ice cha r acte r i s tic s f igu r e 1 p eak p ul s e p owe r vs p ul s e ti m e t d - pulse d uraton - s 300w, 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 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 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 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 05167.r8 8/10 page 4 05167 sr2.8 - sr3.3 s ot -143 p ackage in f o rm ation outline di m en s ion s di m m illi m ete rs inche s m in m a x m in m a x a 2.80 3.04 0.110 0.120 b 1.20 1.39 0.047 0.055 c 0.84 1.14 0.033 0.045 d 0.39 0.50 0.015 0.020 f 0.79 0.93 0.031 0.037 g 1.78 2.03 0.070 0.080 j 0.08 0.15 0.003 0.006 k 0.46 0.60 0.018 0.024 l 0.445 0.60 0.0175 0.024 l1 0.40 0.60 0.016 0.024 r 0.72 0.83 0.028 0.033 s 2.11 2.48 0.083 0.098 notes 1. dimensioning and tolerances per ansi y14.m, 1985. 2. controlling dimension: inches. 3. dimensions are exclusive of mold fash and metal burrs. p ad layout di m en s ion s di m m illi m ete rs inche s m in m a x m in m a x a 1.88 2.13 0.074 0.084 b 1.80 2.06 0.071 0.081 c 0.71 0.97 0.028 0.038 d 0.76 1.02 0.030 0.040 e 1.07 1.32 0.042 0.052 f 0.71 0.97 0.028 0.038 note s 1. controlling dimension: inches. a g l b s f d k j c r h l1 a b c d e f
only one name means protektion? www.protekdevices.com 05167.r8 8/10 page 5 05167 sr2.8 - sr3.3 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 3.10 0.10 2.70 0.10 1.35 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. 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 06011.r4 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 o r de r ing in f o rm ation b a s e p a r t nu mb 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 sr2.8/sr3.3 -lf -t7 3000 7 n/a sr2.8/sr3.3 -lf -t13 10,000 13 n/a
only one name means protektion? www.protekdevices.com 05167.r8 8/10 page 6 05167 sr2.8 - sr3.3 co mp any in f o rm ation 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 2002 - 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 c orporate h eadquarters 2929 south fair lane tempe, arizona 85282 usa by t elephone 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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