www.protekdevices.com page 1 description the SRV25-4 is a dual usb port protecton array that features ultra low capacitance. this device can be used in applicatons such as video cards, smart phones, giga - bit ethernet and other computer interfaces. designed for esd protecton, the SRV25-4 can clamp the efects of electrical fast transients on the power bus. the SRV25-4 combines 8 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 dfn-10 package confguraton, which minimizes lead inductance to prevent overshoot voltages during high esd current events. the SRV25-4 meets the iec 61000-4-2, 61000-4-2 and 61000-4-5 requirements. features ? 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 ? 800 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 characteristics ? molded jedec dfn-10 package ? approximate weight: 7 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 ? gigabit ethernet ? smart phones ? portable electronics ? video card interfaces ? usb 2.0 interfaces ? dvi interfaces circuit diagram and pin configuration gnd 1 2 3 4 5 6 7 8 9 10 l1 in gnd gnd gnd l2 in l3 in l4 in l1 out l2 out gnd l3 out l4 out pin 4 line 3 in pin 7 line 3 out pin 5 line 4 in pin 6 line 4 out center tabs pins 3, 8 pin 9 line 2 out pin 2 line 2 in pin 10 line 1 out pin 1 line 1 in only one name means protektion? 05372.r2 9/15 05372 SRV25-4 ultra low capacitance steering diode/tvs array
www.protekdevices.com page 2 maximum ratings @ 25c unless otherwise specifed parameter symbol value units wlwowalrrp w ww t kvpdu t t z ? v xxxx volts lolr? notes x dz/lkvpzx electrical characteristics per line @ 25c unless otherwise specifed part number device marking rated stand-off voltage (n ote 1) v wm volts minimum breakdown voltage (n ote 1) @ 1 m a v (br) volts maximum clamping voltage (fig. 2) (note 1) @ i p = 1a v c volts maximum clamping voltage (fig. 2) (note 1) @ i p = 10a v c volts maximum leakage current (note 1) @v wm i d a typical capacitance (n ote 1) @0v, 1mh z c j(sd) p f SRV25-4 s4 x x x x x x notes x d(u/lkvpvx electrical characteristics per line @ 25c unless otherwise specifed maximum clamping voltage (fig. 2) (note 1) @ i p = 25a v c volts maximum clamping voltage (fig. 2) (note 2) @ i p = 40a v c volts maximum capacitance @0v, 1mh z c j(sd) p f typical capacitance i/o to i/o @0v, 1mh z c j(sd) p f x x x x notes x d(u/lkvpvx x dz/lkvpzx only one name means protektion? 05372.r2 9/15 05372 SRV25-4 typical device characteristics
www.protekdevices.com page 3 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 form 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 peak pulse power vs pulse time t d - pulse duraton - s 800w, 8/20s waveform 0.1 1 10 100 1,000 10,000 p pp - peak pulse power - wats 10 100 1,000 10,000 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 only one name means protektion? 05372.r2 9/15 05372 SRV25-4 typical device characteristics
www.protekdevices.com page 4 insertion loss - io to io 0 frequency - hz inserton loss - db -1 -2 -3 -4 -5 -6 10 1k 100k 10m 1g 800mhz = -0.1845db 900mhz = -0.239db 1.8ghz = -1.8755db 2.5ghz = -3.8204db insertion loss - io to gnd 0 inserton loss - db -1 -2 -3 -4 -5 -6 frequency - hz 10 1k 100k 10m 1g 800mhz = -0.1878db 900mhz = -0.2677db 1.8ghz = -4.1326db 2.5ghz = -9.6452db only one name means protektion? 05372.r2 9/15 05372 SRV25-4 typical device characteristics
www.protekdevices.com page 5 outline dimensions dim millimeters inches min max min max a 0.50 0.65 0.020 0.026 a1 0.00 0.05 0.00 0.002 a2 0.15 0.006 b 0.15 0.25 0.006 0.010 b1 0.25 0.45 0.010 0.018 d 2.90 3.10 0.114 0.122 e 1.90 2.10 0.075 0.083 e 0.60 bsc 0.024 bsc e1 0.65 bsc 0.026 bsc e2 0.95 bsc 0.037 bsc l 0.25 0.35 0.010 0.014 l1 0.95 1.05 0.037 0.041 notes 1. controlling dimension: millimeters. 2. dimensioning and tolerances per ansi y14.m, 1985. pad layout dimensions dim millimeters inches nominal nominal c 1.98 0.078 g 1.40 0.056 p 0.60 0.024 p1 0.65 0.026 p2 0.95 0.037 x 0.25 0.010 x1 0.40 0.016 y 0.58 0.023 y1 1.00 0.039 z 2.56 0.101 notes 1. controlling dimension: millimeters. d a2 pin 1 reference e a1 a b b1 e e1 e2 l l1 p2 c p p1 x1 y1 x y z g only one name means protektion? 05372.r2 9/15 05372 SRV25-4 dfn-10 package information
www.protekdevices.com page 6 ordering information base part number leadfree suffix tape suffix qty/reel reel size tube qty SRV25-4 n/a -t7 3,000 7 n/a this device is only available in a lead-free confguraton. specifications reel dia. tape width a0 b0 k0 d e f w p0 p2 p tmax 178mm (7) 8mm 2.24 0.05 3.23 0.05 0.93 0.05 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 notes 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). 10 pitches cumulatve tolerance on tape 0.2 w f b0 e p2 p0 d p a0 k0 t user directon of feed top cover tape pin 1 only one name means protektion? 05372.r2 9/15 05372 SRV25-4 tape and reel
www.protekdevices.com page 7 contact us corporate headquarters 2929 south fair lane tempe, arizona 85282 usa by telephone 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: asia sales: asiasales@protekdevices.com europe sales: europesales@protekdevices.com u.s. sales: ussales@protekdevices.com distributor sales: distysales@protekdevices.com customer service: service@protekdevices.com technical support: support@protekdevices.com protek devices (asia pacifc) pte. ltd. 8 ubi road 2, #06-19 zervex singapore - 408538 tel: +65-67488312 fax: +65-67488313 web www.protekdevices.com only one name means protektion? 05372.r2 9/15 05372 SRV25-4 company information 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. company profile in business more than 20 years, protek devices? is a privately held semiconductor company. the company ofers a product line of overvoltage pro - tecton and overcurrent protecton components. these include transient voltage suppressor array (tvs arrays) avalanche breakdown diode, steering diode tvs array and electronics smd chip fuses. these components deliver circuit protecton in electronic systems from numerous overvoltage and overcurrent events. they include lightning; electrostatc discharge (esd); nuclear electromagnetc pulses (nemp); inductve switching; and electro - magnetc interference (emi) / radio frequency interference (rfi). protek devices also ofers high performance interface and linear products. they include analog switches; multplexers; led drivers; led wafer die for esd protecton; audio control ics; rf and related high frequency products.
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