psot03lc thru psot36lc ultra low capacitance tvs array 1 05066.r6 3/07 www.protekdevices.com applications ? ethernet - 10/100 base t ? cellular phones ? firewire ? audio/video inputs ? portable electronics iec compatibility (en61000-4) ? 61000-4-2 (esd): air - 15kv, contact - 8kv ? 61000-4-4 (eft): 40a - 5/50ns ? 61000-4-5 (surge): 12a, 8/20s - level 1(line-gnd) & level 2(line-line) features ? esd protection > 40 kilovolts ? 500 watts peak pulse power per line (tp=8/20s) ? low clamping voltage ? available in 3v - 36v ? ultra low capacitance: 5pf ? rohs compliant mechanical characteristics ? molded jedec sot-23 package ? weight 8 milligrams (approximate) ? available in lead-free pure-tin plating(annealed) ? solder reflow temperature: pure-tin - sn, 100: 260-270c ? consult factory for leaded device availability ? flammability rating ul 94v-0 ? 8mm tape and reel per eia standard 481 ? marking: marking code 05066 pin configuration sot-23
psot03lc thru psot36lc 2 05066.r6 3/07 www.protekdevices.com device characteristics maximum ratings @ 25c unless otherwise specified storage temperature symbol v alue c -55 to 150 units t stg parameter peak pulse power (t p = 8/20s) - see figure 1 p pp 500 watts maximum ratings @ 25c unless otherwise specified operating temperature t l -55 to 150 c part number (note 1) device marking minimum breakdown voltage (see note 2) @ 1ma v (br) volts maximum clamping voltage (see fig. 2) @ i p = 1a v c volts maximum clamping voltage (see fig. 2) @8/20s v c @ i pp typical capacitance 0v @ 1 mhz c pf psot03lc psot05lc psot08lc psot12lc psot15lc psot24lc psot36lc 03l 05l 08l 12l 15l 24l 36l 4.0 6.0 8.5 13.3 16.7 26.7 40.0 7.0 9.8 13.4 19.0 24.0 43.0 51.0 10.9v @ 43.0a 13.5v @ 42.0a 16.9v @ 34.0a 25.9v @ 21.0a 30.0v @ 17.0a 49.0v @ 12.0a 76.8v @ 9.0a 5 5 5 5 5 5 5 maximum leakage current @v wm i d a 125 20 10 1 1 1 1 rated stand-off voltage v wm volts 3.3 5.0 8.0 12.0 15.0 24.0 36.0 electrical characteristics per line @ 25c unless otherwise specified note 1: positive potential is applied from pin 1 to 2; pin 2 is ground. note 2: do not test or surge from pin 2 to 1. piv typically greater than 100v for the rectifier diode. 0 5 10 15 20 25 30 t - time - s 0 20 40 60 80 100 120 i pp - peak pulse current - % of i pp test waveform parameters t f = 8s t d = 20s t f peak value i pp e -t t d = t i pp /2 figure 2 pulse wave form 0.1 1 10 100 1,000 10,00 0 t d - pulse duration - s 500w 8/20s waveform 10 100 1,000 10,000 p pp - peak pulse power - watts figure 1 peak pulse power vs pulse time
psot03lc thru psot36lc 3 05066.r6 3/07 www.protekdevices.com graphs 0 25 50 75 100 125 150 t l - lead temperature - c 20 40 60 80 100 % of rated power peak pulse power 8/20s average power figure 3 power derating curve 0 figure 4 overshoot & clamping voltage for psot03lc esd test pulse: 7 kilovolt, 1/30ns (waveform) 5 volts per division 0 10 20 30 40 0 2 4 6 8 10 12 14 16 18 i pp - peak pulse current - amps v c - clamping voltage - volts 0 4 8 12 16 figure 5 typical clamping voltage vs peak pulse current for psot05lc
psot03lc thru psot36lc 4 05066.r6 3/07 www.protekdevices.com the psotxxlc series are low capacitance tvs arrays designed to protect i/o or data lines from the damaging effects of esd or ef t. this product series provides unidirectional & bidirectional protection, with a surge capability of 500 watts p pp per line for an 8/20s waveform and esd protection > 40 kilovolts. bidirectional common-mode configruation (figure 1) two psotxxlc devices, when used in paralell, provide protection in a common-mode configuration as depicted in figure 1. circuit connectivity is as follows: ? i/o line is connected to device 1, pin 1. ? i/o line is connect to device 2, pin 2. ? device 1, pin 2 is connected to ground. ? device 2, pin 1 is connected to ground. ? device 1 & 2, pin 3 is not connected. bidirectional differential-mode configruation (figure 1) in addition, two psotxxlc devices, when used in paralell, provide protection in a differential-mode configuration for ethernet applications as depicted in figure 2. circuit connectivity is as follows: ? i/o line 1 is connected to device 1, pin 1. ? i/o line 1 is connect to device 2, pin 2. ? i/o line 2 is connected to device 1, pin 1. ? i/o line 2 is connect to device 2, pin 2. ? device 1 & 2, pin 3 is not connected. circuit board la yout recommenda tions circuit board layout is critical for electromagnetic compatibility (emc) protection. the following guidelines are recommended: ? the protection 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 conductive 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 parasitic inductance. ? ground planes should be used whenever possible. for multilayer pcbs, use ground vias. figure 1 - common-mode i/o port protection 3 1 2 3 1 2 i/o line gnd figure 2 - differential-mode ethernet protection 3 1 2 3 1 2 i/o 1 i/o 2 ethernet transceiver application note
psot03lc thru psot36lc 5 05066.r6 3/07 www.protekdevices.com sot-23 package outline & dimensions copyright ? prot ek devices 2007 specifications: protek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except jedec). design changes: protek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer?s and that in furnishing engineering and technical assistance, protek assumes no responsibility with respect to the s election or specifications of such products. protek devices 2929 south fair lane, tempe, az 85282 tel: 602-431-8101 fax: 602-431-2288 e-mail: sales@protekdevices.com web site: www.protekdevices.com a l b s g 3 2 1 d h v j c k 0 o - 10 o a b c d g h j k l s v 2.80 1.20 0.89 0.37 1.78 0.013 0.085 0.45 0.89 2.10 0.45 3.04 1.40 1.11 0.50 2.04 0.100 0.177 0.60 1.02 2.50 0.60 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0180 0.0350 0.0830 0.0177 0.1197 0.0551 0.0440 0.0200 0.0807 0.0040 0.0070 0.0236 0.0401 0.0984 0.0236 dim min max min max millimeters inches package dimensions notes 1. dimensioning and tolerances per ansi y14.5m, 1985. 2. controlling dimension: inches 3. pin 3 is the cathode (unidirectional only). 4. dimensions are exclusive of mold flash and metal burrs. package outline sot-23 mounting pad 0.037? (0.95mm) 0.033? (0.85mm) 0.079? (2.00mm) 0.033? (0.85mm) tape & reel ordering nomenclature 1. surface mount product is taped and reeled in accordance with eia-481. 2. suffix-t7 = 7 inch reel - 3,000 pieces per 8mm tape, i.e., psot05lc-t7. 3. suffix-t13 = 13 inch reel - 10,000 pieces per 8mm tape, i.e., psot05lc-t13. 4. suffix - lf = lead-free, pure-tin plating, i.e., psot05lc-lf-t7. outline & dimensions: rev 1 - 11/01, 06012
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