only one name means protektion? www.protekdevices.com 05094.r7 12/11 page 1 05094 psm712 600 watt tvs array - asymmetrical data line protector d escription the psm712 is an asymmetrical transient voltage suppressor (tvs) array, designed specifcally for rs-485 applicatons. this device provides protecton against esd, tertary lightning and switching transients. the psm712 has a peak pulse power of 600 wats for an 8/20s waveshape and is available in sot-23 package con - fguraton. this device meets the iec 61000-4-2, 61000-4-4 and iec 61000-4-5 requirements. f eat u res ? 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- ground) & level 3 (line-line) ? 600 wats peak pulse power per line(tp = 8/20s) ? rohs compliant ? reach compliant mec h ani c al c h aracteristics ? 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 ? rs-485 transceivers ? network interfaces ? wireless systems ? portable electronics pin config u ration sot -23 pac k age 2 3 1
only one name means protektion? www.protekdevices.com 05094.r7 12/11 page 2 05094 psm712 typical device c h aracteristics maxim u m ratings @ 25c u nless otherwise specifed parameter symbol val u e u nits 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 electrical c h aracteristics per line @ 25c u nless otherwise specifed part n u mber ( n ote 1) device mar k ing rated stand-off voltage v wm volts minim u m brea k down voltage @ 1 m a v (br) volts maxim u m clamping voltage (fig. 2) @ i p = 1a v c volts maxim u m clamping voltage (fig. 2) @ 8/20 s v c @ i pp maxim u m lea k age c u rrent @v wm i d a typical capacitance @0v, 1m h z c p f pin 3-1 & pin 3-2 712 7.0 7.5 11.0 17v @ 34a 20 75 pin 1-3 & pin 2-3 712 12.0 13.3 19.0 30v @ 30a 1 75 n otes 1. for 7v, pin 3 is positve. for 12v, pins 1 and 2 are positve. 2. marking code applies to same device.
only one name means protektion? www.protekdevices.com 05094.r7 12/11 page 3 05094 psm712 typical device c h aracteristics test waveform parameters t f = 8s t d = 20s t f e -t peak value i pp t d = t/(i pp /2) fig u re 2 p u lse 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 fig u re 1 pea k p u lse power vs p u lse time t d - pulse duraton - s 600w, 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? www.protekdevices.com 05094.r7 12/11 page 4 05094 psm712 spice model fig u re 1 spice model table 1 - spice parameters parameter u nit abd ( tvs ) bv v see table 2 ibv a see table 2 c jo pf see table 2 i s a see table 2 vj v 0.6 m - 0.33 n - 1 r s ohms see table 2 tt s 1e-8 eg ev 1.11 table 2 - abd specific spice parameters part n u mber b v ( volts ) ibv( a) c jo ( p f) i s ( amps ) r s ( o h ms ) psm712 - 7v 7.5 20 146 1e-11 0.28 psm712 - 12v 13.3 1 123 1e-13 0.40 abd - avalanche breakdown diode (tvs) lg - lead inductance abd lg 0.6nh abd abd 12 abd 12 7 7 1 2 3
only one name means protektion? www.protekdevices.com 05094.r7 12/11 page 5 05094 psm712 sot -23 pac k age information o u tline dimensions dim millimeters inc h es 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 layo u t dimensions dim millimeters inc h es 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? www.protekdevices.com 05094.r7 12/11 page 6 05094 psm712 tape and reel specifications r eel d ia . t ape w idt h a0 b0 k 0 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 n otes 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 n u mber leadfree s u ffix tape s u ffix qty/reel reel size t u be qty psm712 -lf -t7 3000 7 n/a psm712 -lf -t13 10,000 13 n/a
only one name means protektion? www.protekdevices.com 05094.r7 12/11 page 7 05094 psm712 company information company profile 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 2007 - 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 corporate h eadquarters 2929 south fair lane tempe, arizona 85282 usa by telephone 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 web www.protekdevices.com www.protekanalog.com
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