www.protekdevices.com page 1 description the plc497 is an ultra low capacitance steering diode/tvs array. designed for protecton against electrostatc dis - charge (esd), electrical fast transients (eft) and secondary lightning threats, this device is ideal for use in high-speed signal interface applicatons. the plc497 is available in the small sot-23 package, which reduces internal lead inductance for low overshoot voltage during fast front tme transient events like esd. this device meets the iec 61000-4-2 and iec 61000-4-4 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): 20a, 8/20s - level 2(line- ground) & level 3(line-line) ? esd protecton > 25 kilovolts ? 200 wats peak pulse power per line(tp = 8/20s) ? low clamping voltage < 5 volts ? ultra low capacitance: 2.5pf ? rohs compliant ? reach compliant mechanical characteristics ? 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 ? low voltage wireless equipment ? sensor & control circuits ? ethernet 10/100/1000 base t ? firewire interfaces/connectons pin configuration sot-23 package 2 3 1 only one name means protektion? 05100.r9 9/12 05100 plc497 ultra low capacitance steering diode/tvs array
www.protekdevices.com page 2 maximum ratings @ 25c unless otherwise specifed parameter symbol value units peak pulse power (tp = 8/20s) - see figure 1 p pp 200 wats peak pulse current - i pp max (tp = 8/20s) i pp 20 amps operatng temperature t l -55 to 150 c storage temperature t stg -55 to 150 c electrical characteristics per line @ 25c unless otherwise specifed part number device marking rated stand-off voltage v wm volts minimum breakdown voltage (n ote 1) @ 1 m a v (br) volts maximum reverse leakage current (note 1) @ v wm i d a maximum clamping voltage (note 1) (fig. 2) @ 8/20 s v c @ i pp maximum working inverse blocking voltage (note 2) v wib volts inverse blocking leakage current (note 2) @v wib i r a maximum capacitance (note 3) @0v, 1mh z c p f plc497 lc 1.0 1.3 20 5.0v @ 5.0a 75 1.0 2.5 notes 1. apply positve voltage from pin 2 to pin 1. 2. apply positve voltage from pin 1 to pin 2. 3. capacitance from pin 1 to pin 2 < 2.5pf. only one name means protektion? 05100.r9 9/12 05100 plc497 typical device characteristics
www.protekdevices.com page 3 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 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 200w, 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? 05100.r9 9/12 05100 plc497 typical device characteristics
www.protekdevices.com page 4 figure 4 overshoot & clamping voltage esd test pulse - 25 kilovolt, 1/30ns (waveshape) 5 volts per division -5 5 15 25 35 figure 5 typical clamping voltage vs peak pulse current i pp - peak pulse current - amps 0 2 4 6 8 10 12 14 16 0 4 8 12 16 v c - clamping voltage - vols only one name means protektion? 05100.r9 9/12 05100 plc497 typical device characteristics
www.protekdevices.com page 5 figure 1 spice model table 1 - spice parameters parameter unit lcrd bv v 200 ibv a 0.01 c jo pf 5 i s a 1e-14 vj v 0.6 m - 0.33 n - 1 r s ohms 0.31 tt s 1e-9 eg ev 1.11 abd - avalanche breakdown diode (tvs) lcrd - low capacitance rectfer diode lg - lead inductance lcrd lg 0.6nh i/o lcrd only one name means protektion? 05100.r9 9/12 05100 plc497 spice model
www.protekdevices.com page 6 figure 1 - differential mode i/o port protection two plc497 devices used in parallel. circuit connectvity is as follows: ? pins 1 and 2 of each device connected to data lines. ? pin 3 not connected. circuit board recommendations 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 - common mode sensor circuit protection two plc497 devices used in parallel. circuit connectvity is as follows: ? pin 1 on each device connected to data lines. ? pin 2 on each device connected to ground. ? pin 3 not connected. 2 3 1 2 3 1 line 1 in line 2 in line 1 out line 2 out 2 3 1 2 3 1 sensor 2 3 1 2 3 1 circuitry only one name means protektion? 05100.r9 9/12 05100 plc497 application information
www.protekdevices.com page 7 outline dimensions dim millimeters inches min max min max 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 dimensions dim millimeters inches min max min max 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? 05100.r9 9/12 05100 plc497 sot-23 package information
www.protekdevices.com page 8 specifications reel dia. tape width a0 b0 k0 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 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. 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 information base part number leadfree suffix tape suffix qty/reel reel size tube qty plc497 -lf -t7 3000 7 n/a plc497 -lf -t13 10,000 13 n/a this device is only available in a lead-free confguraton. only one name means protektion? 05100.r9 9/12 05100 plc497 tape and reel
www.protekdevices.com page 9 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: sales: sales@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? 05100.r9 9/12 05100 plc497 company information copyright ? protek devices 2003 - 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 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.
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