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1 table of contents????????????????..??? 1-1 introduction???????????????????..?.. 2-2 transient voltage suppressors?????????????. 3-3 information for designer????????????????. 4-5 multilayer varistor introduction ????????.?.??? 6-6 part number identification ????????????? 7-7 ml - a series high surge protection??????????.. 8-8 ml - c series classification??.????????????. 9-11 ch series??????..?????????????.??? 12-12 esd solution protection varistor??????????. 13-13 array varistor??????????????????? 14-14 mov disc varistor protection????????????.. 15-15 new development item 16-16 package information?????????????????.. 17-17 typical applicati on ??????????????????. 18-18 test information????????????????.???. 19-19 reliability experiment?????????????????. 20-20 recommendation for soldering????????????.. 21-22 cross reference ?????????????????.. 23-24 smd transient voltage suppressors table o f contents free datasheet http://
2 company profile sfi , is the trading mark and logo of sfi groups , which are established under the spiritual concept of ? innovation, services, quality , and sincerity ?. there are three subsidiary companies under sfi groups, including sun flower semiconductor co., ltd established in aug 1999 known as sun flower instruments inc. established in 1984 is responsible for the production mainly on mono-chip, multilayer chip tvs, advanced varistors etc. and the nearly completed brand factory, leader well technology co., ltd for satisfying the tremendous supplies of the worldwide demand on the va ristor in the new century, and the mission of sfi electronics technology inc is responsible for the marketing and sales under the independent responsibilities on produc tion, marketing and sales. advanced techniques applied in order to meet the market trend and fast market change, we buil d our r&d team to control the reliability and stability of the products. we have been utilizing the advanced material and manufacturing techniques on producing the electronic elements and parts. in taiwan, we are the first company to launch the zinc oxide (zno) based ceramic semiconductor devices with full range and with the highly advanced multilayer formation technologies to apply the high density circuit assemblies. we obtained many kinds of patents and awards for excellent product designs, and had been selected by government to attend the inter- national trade fair on behalf of taiwan. our sfi varistors and tvss reliably protect the electronics systems fr om overvoltages by limiting surge voltages and by absorbing energy. they are used to safeguard the components, to ensure electromagnetic compatibility and suppress the transients caused by electrostatic discharge. in other words they have the added advantage of greater surge current and energy handling capabilities as well as emi/rfi attenuation. sfi varistors and tvss have established themselves as a secure and low-cost means of protection in general-purpose use. smd transient voltage suppressors i ntroduction free datasheet http://
major additions and improvements multilayer surface mount transient voltage suppressors (tvs) are manufactured from semiconducting ceramics by the highly advanced multilayer formation technologies, which can offer rugged pr otection, excellent transient energy absorption and internal heat dissipation. the devices are leadless chip form, eliminating lead inductance and gua- ranteeing a faster speed of response time of less than 0.5ns, whic h makes them fast enough to ensure reliable protection against esd pulse and other specific transient events. these transient suppression devices are significantly smaller footprints and lower profiles than traditional z ener diodes or radial movs, material 1. body material: zno 2. termination: electrode termination is ag/ni/sn smd transient voltage suppressors transient volta g e su pp resso r multilayer formation technologies section of the chip free datasheet http://
voltage dependent characteristic transient voltage suppressors varistors are voltage-dependent el ectrical resistors with symmetrical v/i characteristic and the breakdown region, their resistance value decreases with increasing voltage, thus ?short-circuiting? furthe r rises in overvoltage. the prevention of overvoltage in other words, as long as the voltage increases above the threshold of the tvs, the suppressor will draws a rapidly increasing current, and then the overvoltage is consid erably attenuated away from the protected circ uit, that is why the inherent protection of th e equipments should be supplemented by including specific components that will raise the withstand capabilities to the required level. varist ors provide protection against all kinds of ove rvoltage and prevent electronic equipment from being damaged by transient events. smd transient voltage suppressors i n f ormation f or desi g ne r breakdown region current a voltage v circuit to be protected normal state overvoltage state overvoltages occur circuit to be protected free datasheet http://
when selecting the tvs for designing within the circuit, some characteristic parameter should be considered carefully to meet the circuit condition. the followi ng guideline are recommended. 1. the surge handling ability of the selected tvs should meet the need of dissipating the expected transient surge cu rrent of the protected circuit. 2. the clamping voltage of the selected tv s should be less than the maximum allowed operating voltage of the protected circuit. 3. in high speed data transmission situation. t he capacitance of the selected tvs should be considered. 4. the special requests of the tvs?s capacitance such as esd prevention are available, please contact with us. 5. while choosing the tvs, the working voltage of the tvs should be greater than or equal to the normal operating voltage of the circuit. 6. protection principle : when the voltage increase above the threshold of the varistor, the suppressor draws a rapidly increasing current. the the overvoltage is considerably attenuated. transient vc clamping transient voltage transient current protected smd transient voltage suppressors i n f ormation f or desi g ne r overvoltage clamping voltage level system rated voltage system max. allowed operating voltage system to be protected input output output input free datasheet http://
feature full range from 0402 to 3220 series working voltage from 2.5 to 300 v rms; 3.3 to 385 vdc high surge current ability bidirectional clamping, high energy fast response time suitable for esd protection low capacitance design (2.5pf) for fast data transmission array type design very low leakage current good solderability 1. mlc series: mulilayer surface mount for wide range applications 2. mla series mulilayer surface mount design for high energy and surge application 3. ch series mulilayer surface mount design for high voltage suppressor, the working voltage could be up to 385vdc 4. esd series low capacitance design for high data transmission 5. array series 6. mov series disc type design type l mm w mm d mm e mm 0402 1.0 0.10 0.5 0.10 0.6 max 0.25+0.1/-0.1 0603 1.6 0.15 0.8 0.15 0.9 max 0.3+0.1/-0.1 0805 2.0 0.20 1.25 0.15 1.0 max 0.3+0.1/-0.1 1206 3.2 0.20 1.6 0.15 1.2 max. 0.5 +0.2/-0.2 1210 3.2 0.20 2.5 0.20 1.5 max. 0.5 +0.2/-0.2 1812 4.5 0.20 3.2 0.20 2.0 max. 0.5 +0.3/-0.1 2220 5.7 0.20 5.0 0.20 2.5 max. 0.5 +0.3/-0.1 smd transient voltage suppressors the introduction o f m utila y er sur f ace varisto r w l d e free datasheet http://
1. ml series sfi 1206 ml 240 c series code a operating voltage from 8.0v rms 11.0v dc to 35.0v rms 45.0v dc , high surge absorption, low clamping voltage. c operating voltage from 2.5v rms 3.3v dc to 95.0v rms 127.0v dc , wide range application. varistor voltage where 240 24 10 0 v 24 v 241 24 10 1 v 240 v application code ml multilayer smd varistor size 0402; 0603; 0805; 1206; 1210; 1812; 2220 smd transient voltage suppressors ml series part number identi f ication 2. esd series part number identification sfi 0402 ? 050 e 220 n p cap. value where 220 =22 10 0 = 22(pf) where 2r5 = 2.5 10 0 = 2.5(pf) size unit mm model 0402 series 0603 series length(l) 1.0 0.15 1.60 0.15 width(w) 0.50 0.15 0.80 0.15 thickness(t) 0.6 max 0.9 max termination(a) 0.25 0.1 0.3 0.1 company logo series esd protect solution package mark type p taping c normal max working voltage mark voltage 050 5v 120 12v 240 24v cap. tolerance mark range n 30% p +80%-20% exception under 5pf free datasheet http://
sfi model number working voltage (max) breakdown voltage peak current (max) clamping voltage (max) energy absorption (max) typical capacitance unit condition ac v rms dc v 1ma (v) 8/20s (a) (a) (v) 10/1000 (j) 1khz (p f) sfi1206ml180a sfi1206ml240a sfi1206ml270a sfi1206ml330a sfi1206ml390a sfi1206ml470a sfi1206ml560a 11.0 14.0 17.0 20.0 25.0 30.0 35.0 14.0 18.0 22.0 26.0 30.0 38.0 45.0 18(15.3~20.7) 24(21.6~27) 27(24.3~29.8) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 200 200 200 200 200 200 200 1 1 1 1 1 1 1 30 39 44 54 65 77 90 0.5 0.5 0.6 0.7 1.0 1.1 0.8 1500 1160 1080 680 620 550 400 sfi1210ml150a sfi1210ml180a sfi1210ml240a sfi1210ml270a sfi1210ml330a sfi1210ml390a sfi1210ml470a sfi1210ml560a 8.0 11.0 14.0 17.0 20.0 25.0 30.0 35.0 11.0 14.0 18.0 22.0 26.0 30.0 38.0 45.0 15 12.75~17.25 18 15.3~20.7 24 21.6~27 27 24.3~29.8 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 400 400 400 400 400 400 400 400 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 25 30 39 44 54 65 77 90 1.0 1.2 1.4 1.7 1.9 1.7 2.0 2.0 4050 3860 2380 2100 1400 1180 1000 660 sfi1812ml180a sfi1812ml240a sfi1812ml270a sfi1812ml330a sfi1812ml390a sfi1812ml470a sfi1812ml560a 11.0 14.0 17.0 20.0 25.0 30.0 35.0 14.0 18.0 22.0 26.0 30.0 38.0 45.0 18 15.3~20.7 24 21.6~27 27(24.3~29.8) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 800 800 800 800 800 800 800 5 5 5 5 5 5 5 30 38 44 54 65 77 90 1.9 2.3 2.7 3.0 3.7 4.2 4.2 7030 4650 4150 3400 2950 2550 2400 sfi2220ml180a sfi2220ml240a sfi2220ml270a sfi2220ml330a sfi2220ml390a sfi2220ml470a 11 14 17 20 25 30 14 18 22 26 30 38 18(15.3~20.7) 24(21.6~27) 27(24.3~29.8) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 1200 1200 1200 1200 1200 1200 10 10 10 10 10 10 30 39 44 54 65 77 5.4 5.8 7.2 7.8 9.6 12.0 17000 13600 12000 10500 8900 5700 smd transient voltage suppressors hi g h sur g e p rotection varistor a- s eries free datasheet http://
sfi model number working voltage (max) breakdown voltage peak current (max) clamping voltage (max) energy absorption (max) typical capacitance unit condition ac v rms dc v 1ma (v) 8/20s (a) (a) (v) 10/1000s (j) 1khz (p f) sfi0402ml050c sfi0402ml080c sfi0402ml120c sfi0402ml150c sfi0402ml180c sfi0402ml220c sfi0402ml240c sfi0402ml270c sfi0402ml330c sfi0402ml390c 2.5 4 6 8 11 12 14 17 20 25 3.3 5.5 9 11 14 16.5 18 22 26 30 5(4.0~6.0) 8(6.4~9.6) 12(10.2~13.8) 15(12.75~17.25) 18(15.3~20.7) 22(19.8~24.2) 24(21.6~26.4) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 20 20 20 20 20 20 20 20 20 20 1 1 1 1 1 1 1 1 1 1 12 18 20 25 30 36 40 45 54 65 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 390 295 190 160 135 105 93 75 54 45 sfi0603ml050c sfi0603ml080c sfi0603ml120c sfi0603ml150c sfi0603ml180c sfi0603ml240c sfi0603ml270c sfi0603ml330c sfi0603ml390c sfi0603ml470c sfi0603ml560c 2.5 4 6 8 11 14 17 20 25 30 35 3.3 5.5 9 11 14 18 22 26 30 38 45 5(4.0~6.0) 8(6.4~9.6) 12(10.2~13.8) 15(12.75~17.25) 18(15.3~20.7) 24(21.6~26.4) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 30 30 30 30 30 30 30 30 30 30 30 1 1 1 1 1 1 1 1 1 1 1 12 18 20 25 30 39 44 54 65 77 90 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1250 800 680 460 350 270 235 200 120 100 80 sfi0805ml080c sfi0805ml120c sfi0805ml150c sfi0805ml180c sfi0805ml240c sfi0805ml270c sfi0805ml330c sfi0805ml390c sfi0805ml470c sfi0805ml560c 4 6 8 11 14 17 20 25 30 35 5.5 9 11 14 18 22 26 30 38 45 8(6.4~9.6) 12(10.2~13.8) 15(12.75~17.25) 18(15.3~20.7) 24(21.6~26.4) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 80 80 100 100 100 100 100 100 100 80 1 1 1 1 1 1 1 1 1 1 18 20 25 30 39 44 54 65 77 90 0.1 0.1 0.1 0.1 0.2 0.2 0.3 0.3 0.3 0.3 1600 1180 1050 750 550 400 350 310 280 195 smd transient voltage suppressors s ur f ace mount multi la y er c series free datasheet http://
sfi model number working voltage (max) breakdown voltage peak current (max) clamping voltage (max) energy absorption (max) typical capacitance unit condition ac v rms dc v 1ma (v) 8/20s (a) (a) (v) 10/1000s (j) 1khz (p f) sfi1206ml080c sfi1206ml120c sfi1206ml150c sfi1206ml180c sfi1206ml240c sfi1206ml270c sfi1206ml330c sfi1206ml390c sfi1206ml470c sfi1206ml560c sfi1206ml680c sfi1206ml820c sfi1206ml101c 4 6 8 11 14 17 20 25 30 35 40 50 60 5.5 9 11 14 18 22 26 30 38 45 56 65 85 8(6.4~9.6) 12(9.6~13.8) 15(12.75~17.25) 18(15.3~20.7) 24(21.6~26.7) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 100(90~110) 100 100 100 100 100 100 100 100 100 100 100 100 100 1 1 1 1 1 1 1 1 1 1 1 1 1 18 20 25 30 38 44 54 65 77 90 110 135 165 0.2 0.2 0.2 0.3 0.3 0.4 0.5 0.6 0.7 0.8 1.0 0.5 0.6 3200 2200 1300 1150 900 840 490 440 400 310 280 240 160 sfi1210ml120c sfi1210ml150c sfi1210ml180c sfi1210ml240c sfi1210ml270c sfi1210ml330c sfi1210ml390c sfi1210ml470c sfi1210ml560c sfi1210ml680c sfi1210ml820c sfi1210ml101c 6 8 11 14 17 20 25 30 35 40 50 60 9 11 14 18 22 26 30 38 45 56 65 85 12(10.2~13.8) 15(12.75~17.25) 18(15.3~20.7) 24(21.6~26.4) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 100(90~110) 250 250 250 250 250 250 250 250 250 250 250 200 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 20 25 30 38 44 54 65 77 90 110 135 165 0.5 0.6 0.7 0.8 1.0 1.2 1.4 1.6 2.0 2.3 1.2 1.4 4400 3520 3260 1950 1720 1090 920 780 470 390 320 220 smd transient voltage suppressors s ur f ace mount multi la y er c s eries free datasheet http://
sfi model number working voltage (max) breakdown voltage peak current (max) clamping voltage (max) energy absorption (max) typical capacitance unit condition ac v rms dc v 1ma (v) 8/20s (a) (a) (v) 10/1000s (j) 1khz (p f) sfi1812ml120c sfi1812ml150c sfi1812ml180c sfi1812ml240c sfi1812ml270c sfi1812ml330c sfi1812ml390c sfi1812ml470c sfi1812ml560c sfi1812ml680c sfi1812ml820c 6 8 11 14 17 20 25 30 35 40 50 9 11 14 18 22 26 30 38 45 56 65 12(10.2~13.8) 15(12.75~17.25) 18(15.3~20.7) 24(21.6~26.4) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 500 500 500 500 500 500 500 500 500 500 400 5 5 5 5 5 5 5 5 5 5 5 20 25 30 38 44 54 65 77 90 110 135 0.9 1.2 1.4 1.7 2.0 2.5 2.9 3.5 4.2 4.8 4.5 9150 7320 6100 3930 3500 2900 2500 2200 1950 1650 1060 sfi2220ml120c sfi2220ml150c sfi2220ml180c sfi2220ml240c sfi2220ml270c sfi2220ml330c sfi2220ml390c sfi2220ml470c sfi2220ml560c sfi2220ml680c sfi2220ml820c 6 8 11 14 17 20 25 30 35 40 50 9 11 14 18 22 26 30 38 45 56 65 12(10.2~13.8) 15(12.75~17.25) 18(15.3~20.7) 24(21.6~26.4) 27(24.3~29.7) 33(29.7~36.3) 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 68(61.2~74.8) 82(73.8~90.2) 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 800 10 10 10 10 10 10 10 10 10 10 10 20 25 30 38 44 54 65 77 90 110 135 1.9 2.3 2.7 3.1 3.8 4.3 5.5 6.3 7.7 8.8 5.6 36500 18400 15300 11800 10400 8900 7500 4600 4000 3500 2850 smd transient voltage suppressors s ur f ace mount multi la y er c s eries free datasheet http://
model number maximum rating(ta=125 ) characteristics(ta=25 ) sfi model number max. allowable voltage surge current energy absorption (10/1000s) max. clamping voltage varistor voltage typical capacitance thickness t 1 ac(v rms ) dc(v) 8/20s(a) (j) (a) (v) (v) pf(khz) (mm) 08ch180l 08ch220l 08ch270l 08ch330l 11 14 17 20 14 18 22 26 250 250 250 250 0.8 0.8 1.0 1.2 5 5 5 5 40 46 56 67 18(15.3~20.7) 22(18.7~25.3) 27(22.95~31.05) 33(28.05~37.95) 3300 1750 1500 1200 1.5 1.5 1.5 1.5 08ch390k 08ch470k 08ch560k 08ch680k 25 30 35 40 31 38 45 56 250 250 250 250 1.4 1.8 2.3 3.0 5 5 5 5 76 90 106 124 39(35.1~42.9) 47(42.3~51.7) 56(50.4~61.6) 68(61.2~74.8) 820 660 530 360 1.5 1.5 2.0 2.0 08ch820k 08ch101k 08ch121k 08ch151k 50 65 75 95 65 85 102 127 500 500 500 500 4.0 5.0 6.0 8.0 10 10 10 10 135 165 198 248 82(74~90) 100(90~110) 120(108~132) 150(135~165) 250 225 200 150 1.5 1.5 1.5 1.5 08ch181k 08CH201K 08ch221k 08ch241k 115 130 140 150 153 175 180 200 500 500 500 500 12.0 13.0 14.0 15.0 10 10 10 10 292 340 356 390 180(162~198) 200(180~220) 220(198~242) 240(216~264) 110 100 * 94 * 86 * 1.5 1.5 1.5 1.5 08ch271k 08ch301k 08ch331k 175 190 210 225 250 275 500 500 500 16.0 17.0 18.0 10 10 10 450 495 545 270(243-297) 300(270~330) 330(297~363) 76 * 64 * 52 * 1.5 1.5 1.5 08ch361k 08ch391k 08ch431k 08ch471k 230 250 275 300 300 330 369 385 500 500 450 400 19.0 20.0 19.0 18.0 10 10 10 10 593 647 705 775 360(324~396) 390(351~429) 430(387~473) 470(423-517) 45 * 42 * 39 * 35 * 2.0 2.0 2.0 2.0 ch series is the high voltage protection for use in hybrid circuit application in industrial or power supply equipment utilizing surface mount devices. these devices have significantly lower profiles than radial lead varistor. protection for 14vdc to 460vdc and more higher voltage protection. type length width electrode 08ch (mm) 8.1 0.30 5.0 0.30 0.8 + 0.5/-0.1 3220 (inch 0.315 0.012 0.196 0.012 0.0315+0.02/-0.004 smd transient voltage suppressors the introductions o f hi g h volta g e varisto r free datasheet http://
electro static discharge (esd) is the transients as short duration excursion. our esd products are based on multilayer fabrication technology design to suppress esd events. our products meets iec61000-4-2 standard for electromagnetic compliance testing. we supply extra low capacitance and protect integr ated circuits protection feature specification (for 0402 and 0603 size) xxxx=0402 or 0603 1 the max working voltage is suited for under 24 v including 3.3v 5v 8v 12v 2.this clamping voltage at which the device stabilized during the transition from high to low impedance 8/20 s waveform current 1a 3. all capacitance test under 1mhz, tolerance at +-30%(n) exception under 5pf for +80% -20% 4. the leakage current was measured at working voltage 5. the insulation resistor was measured at working voltage part no, working voltage clamping voltage leakage current capacitance volume insulation resistance (unit ) vdc (max) vclamp(max) ua(max) pf ohm(min) sfixxxx-050e101np 5 30 0.1 100 50 sfixxxx-050e820np 5 34 0.1 82 50 sfixxxx-050e560np 5 34 0.1 56 50 sfixxxx-050e330np 5 34 0.1 33 50 sfixxxx-050e220np 5 34 0.1 22 50 sfixxxx-050e100np 5 34 0.1 10 50 sfixxxx-050e050pp 5 34 0.1 5~9 50 sfixxxx-120e101np 12 34 0.1 100 120 sfixxxx-120e820np 12 34 0.1 82 120 sfixxxx-120e560np 12 40 0.1 56 120 sfixxxx-120e330np 12 40 0.1 33 120 sfixxxx-120e220np 12 40 0.1 22 120 sfixxxx-120e100np 12 60 0.1 10 120 sfixxxx-120e050pp 12 80 0.1 4 ~9 120 sfixxxx-240e2r5pp 24 198 0.1 2~4 120 smd transient voltage suppressors esd solutions suppressor series fast response < 0.5ns low working voltage 3.3v low capacitance 2.5pf low leakage current < 0.1 ua free datasheet http://
1 the breakage voltage was measured at 1ma dc, tolerance 30%. 2 the clamping voltage was measured at 8/20 s wareform, 1a current. 3 the leakage current was measured at working voltage. 4 the insulation resistance was measured at working voltage. 5 the capacitance was measured at 1m hz, tolerance 30%. 6 special specification requirement are available upon request, please c ontact sales for further request. smd transient voltage suppressors array solutions suppressor series free datasheet http://
sfi can also supply the following disc varistor. element size mm working voltage (max) breakdown voltage sfi model number 05d 07d 10d 14d 20d ac dc 1ma(v) 180k 11 14 18 16~20 220k 14 18 22 20~24 270k 17 22 27 24~30 330k 20 26 33 30~36 390k 25 31 39 35~43 470k 30 38 47 42~52 560k 35 45 56 50~62 680k 40 56 68 61~75 820k 50 65 82 74~90 101k 60 85 100 90~110 121k 75 100 120 108~132 151k 95 125 150 135~165 181k 115 150 180 162~198 201k 130 170 200 185~225 221k 140 180 220 198~242 241k 150 200 240 216~264 271k 175 225 270 247~303 301k 195 250 300 270~330 331k 210 270 330 297~363 361k 230 300 360 324~396 391k 250 320 390 351~429 431k 275 350 430 387~473 471k 300 385 470 423~517 511k 320 418 510 459~561 561k 350 460 560 504~616 621k 385 505 620 558~682 681k 420 560 680 612~748 751k 460 615 750 685~825 781k 485 640 780 702~858 821k 510 670 820 738~902 911k 550 745 910 819~1001 102k 625 825 1000 900~1100 112k 680 895 1100 990~1210 182k 1000 1465 1800 1620~1980 notes : detail specification please contact sales department smd transient voltage suppressors lead type solutions suppressor series free datasheet http://
sfi have the strong r&d team to continual producing new overvoltage protection for customer valued application an d circuit protection. we su pply customer all series protection from low vo ltage to high voltage and from si ngle type to array type. now our product roadmap are including following. more detail schedule and product specification, please contact our sales team for further request. 1. extra low capacitance (0.5pf) esd protection chip varistor the material is zno a nd the low capacitanc e need very high technical to production. sfi have the strong technical an d our current mass production item capacitance is 2.5pf. we still keep continual making research for under 0.5pf capacitance fo r customer application. 2. low voltage array series type we are also making develo p item of array 0508 an d 0612 series for the working voltage lowe r 12.5v and low capa citance request. 3. esd and emi function together array products we also making new it em of array with emi function for customer. smd transient voltage suppressors new development and product roadmap item free datasheet http://
symbol a 0 0.10 b 0 0.10 k 0 0.10 t 0.05 t 2 0.05 d 0 +0.10 -0.00 d 1 0.05 p 1 0.10 p 2 0.05 p 0 0.05 w 0.20 e 0.10 f 0.05 0402 0.85 1.25 0.65 0.22 0. 87 1.50 1.00 3.00 2.00 4.00 8.00 1.75 3.50 0603 1.08 1.88 0.95 0.22 1. 17 1.50 1.00 4.00 2.00 4.00 8.00 1.75 3.50 0805 1.42 2.30 1.04 0.22 1.26 1.50 1.00 4.00 2. 00 4.00 8.00 1.75 3.50 1206 1.88 3.50 1.27 0.22 1. 49 1.50 1.00 4.00 2.00 4.00 8.00 1.75 3.50 1210 2.78 3.46 1.55 0.22 1. 77 1.50 1.00 4.00 2.00 4.00 8.00 1.75 3.50 1812 3.66 4.95 1.74 0.25 1. 99 1.50 1.50 8.00 2.00 4.00 12.00 1.75 5.50 2220 5.10 5.97 2.80 0.25 3. 05 1.50 1.50 8.00 2.00 4.00 12.00 1.75 5.50 08ch 5.50 8.50 2.80 1.00 3. 05 1.50 1.50 8.00 2.00 4.00 16.00 1.75 7.50 unit mm reel dimensions pieces packaged per reel unit mm type 0402 0603 0805 1206 1210 1812 2220/08ch pcs/reel 10000 4000 3000 3000 2000 1000 1000 symbol a b c d e w w 1 0402 178.01.0 60.00.5 13.0 0.2 21.00.2 2.00.5 9.00.50 1.50.15 0603 178.01.0 60.00.5 13.0 0.2 21.00.2 2.00.5 9.00.50 1.50.15 0805 178.01.0 60.00.5 13.0 0.2 21.00.2 2.00.5 9.00.50 1.50.15 1206 178.01.0 60.00.5 13.0 0.2 21.00.2 2.00.5 9.00.50 1.50.15 1210 178.01.0 60.00.5 13.0 0.2 21.00.2 2.00.5 9.00.50 1.50.15 1812 178.01.0 60.00.5 13.5 0.1 21.00.2 2.00.5 13.60.2 1.50.15 2220/08ch 178.01.0 60.00.5 13.5 0.1 21.00.2 2.00.5 13.60.2 1.50.15 e c d a b w w a b c e w 1 d smd transient voltage suppressors packa g in g a p d b d p p e w f top t k t free datasheet http://
1. esd series suggestion device description data rate &frequency rise time capacitance usb 2.0 data port 480 m bps 0.5~0.6 ns < 4pf usb1.1 data port 12 m bps 4~20 ns 5~56pf wireless device 1.5 m bps 75~300 ns 5~56pf rs232 irda1.0 115.2 k 1us~8 us 10~100pf audio (microphone/speaker) 20~20k hz 0.05ms~50 ms 10~100pf esd series application field mobile phone digital camera pda notebook mp3 player i/o port, keypad for portable lcd module hub telecom wireless lan keyboard 2. ml/ch series application field telecommunication security systems alarm systems medical device and equipment lighting ac line protection automotive system controller sensor data systems power supplier ic, semiconductor more application please contact sfi smd transient voltage suppressors typical applicatio n free datasheet http://
definition characteristics test method or description max. working voltage maximum steady-state dc operating voltage the device can maintain and typical leakage current at 25 not exceed 50 a. varistor voltage bdv with the specified measuring cu rrent of 1ma dc applied. tolerance of breakdown voltage: 5~8v= 20%; 12 ~18v= 15%; 18~430v= 10% max. clamping voltage maximum peak voltage across the tvs measured at a specified pulse current a and waveform 8/20 s. surge current maximum peak current within t he varistor voltage change of 10% may be applied with the specified waveform 8/20 s. surge shift v/v the shift of varistor voltage after suffering the specified surge current. energy absorption maximum energy within the varistor voltage change of 10% may be dissipated with a specified waveform 10/1000 s . typical capacitance device capacitance measured with zero voltage bias 0.5v rms 1kh z ; under 100pf measure at 1mhz; surge series the capacitance is only for reference. nonlinear exponent = log v 1ma /v 0.1ma /log i ma /i 0.1ma leakage current typical leakage current at 25 50 a; maximum leakage 200 a; standard test condition environmental condition under which every measuring is done without doubt on the meas uring results. unless specially specified, temperature, relative humidity are 5 to 35 , 45 to 85 rh. 8/20 s waveform current a esd protection waveform current iec 61000-4-5, en 61000-4-5, this generator complies with ul 1449 august 15. 1996 table b1.1 smd transient voltage suppressors characteristic de f inition free datasheet http://
experiment test method and description high temperature storage/ dry heat the specimen shall be subjected to 150 2 for 1000 12 hours in a thermostatic bath without load and then stored at room temperature and humidity for 1 to 2 hours. therefore, the change of varistor voltage shall be measured. step temperature period 1 -403 30min3 2 room temperature 1 hour 3 1253 30min3 temperature cycle the temperature cycle of specified temper -ature shall be repeated five times and then stored at room temperature and humidity for one or two hours. the change of varistor voltage and mechanical damage shall be examined. 4 room temperature 1 hours high temperature load/ dry heat load after being continuously applied the maximum allowable voltage at 85 2 for 1000 2 hours, the specimen shall be st ored at room temperature and humidity for one or two hours, therefore the change of va ristor voltage should be measured. damp heat load/ humidity load the specimen should be subjected to 40 2 , 90 to 95 rh and the maximum allowable voltage for 500 hours and then stored at room temperature and humidity for one or two hours. therefore the change of varistor voltage should be measured. low temperature storage/ cold the specimen should be subjected to -50 2 , without load for 500 hours and then stored at room temperature for one or two hours. therefore the change of varistor voltage should be measured. direct contact electrostatic discharge 1.discharge: contact electrostatic discharge; 2.voltage 8kv level4 3.polarity +,- ; 4.number: 10 times ; 5.interval time 1sec direct air electrostatic discharge 1.discharge: air electrostatic discharge; 2.voltage 15kv level4 3.polarity +,-; 4.number: 10 times; 5.interval time 1~ 3sec iec61000-4 standard severity level air discharge direct discharge 1 2 kv 2 kv 2 4 kv 4 kv 3 8 kv 6 kv 4 15 kv 8 kv smd transient voltage suppressors reliabilit y ex p erimen t free datasheet http://
soldering recommendations material sn/ag/cu 96/3 .5/0.5 or equivalent temperature 260 , 3 seconds max flux non activated. recommended soldering temperature profile 1. reflow solder profile smd transient voltage suppressors recommendation f or solderin g a preheat 1.the temperature rising speed is suggested to be 2 /sec(max). 2.appropriate preheat time will be from 60 to 120 seconds. b heating 1.careful about sudden rise in temperature as it may worsen the solder ability. 2.set the peak temperature in the range from 240 to 245 . c cooling 1.careful about slow cooling as it may cause the position shift of component. free datasheet http://
2. major point of smt reflow (a) solder pad layout : please refer to 5.1 (b) steel plate and foot distance printing foot distance printing (mm/mils) steel plate thickness (mm) > 0.65mm/25 mil 0.18mm 0.65mm/25 mils~0.5mm/20mils 0.15mm 0.50mm/20 mils~0.40mm/16mils 0.12mm <=0.40 mm/16 mils 0.10mm the ir reflow and temperature of soldering for pb free ir reflow pb free process suggestion profile (1) soldering recommend paste is sn 96.5/ag 3.5 (2) ramp-up rate (217 to peak) + 3 /second max (3) temp. maintain at 175 +/-25 180 seconds max (4) temp. maintain above 217 60-150 seconds (5) peak temperature range 245 +20 / -10 time within 5 of actually peak temperature (tp) 10~20 seconds (6) ramp down rate +6 /second max. smd transient voltage suppressors recommendation f or solderin g perform adequate test in advance as the reflow temperat ure profile will vary according to the conditions of the manufacturing process, and the specification of the reflow furnace. peak temp. 260 3sec . peak temp. 245 10sec . pre-heat 140 ~200 60~120 sec. free datasheet http://
recommended soldering condition 1 1 solder 0.12~0.18mm thread solder (sn96.5:ag3.5) with soldering flux in the core. rosin-based and non-activated flux is recommended. 2 preheating the varistors shall be preheated so that temperat ure gradient between the devices and the tip of soldering iron is 150 or below. 3 soldering iron rated power of 20w max with 3mm soldering tip in diameter. temperature of soldering iron tip 300 max ( the required amount of solder shall be melted in advance on the soldering tip.) 4 cooling :after soldering. the varistors shall be cooled gradually at room ambient temperature. the ir reflow and temperature of soldering for normal ir reflow process suggestion profile (1) soldering recommend is sn 63: pb 37 (2) ramp-up rate (183 to peak) + 3 /second max (3) temp. maintain at 125 +/-25 120 seconds max (4) temp. maintain above 183 60-150 seconds (5) peak temperature range 225 +/-10 ( 215 ~235 ) time within 5 of actually peak temperature (tp) 10-20 seconds (6) ramp down rate +6 /second max. * recommended soldering condition 1 1 solder 0.12~0.18mm thread solder (sn63:pb 37) with soldering flux in the core. rosin-based and non-activated flux is recommended. 2 preheating the varistors shall be preheated so that temperat ure gradient between the devices and the tip of soldering iron is 150 or below. 3 soldering iron rated power of 20w max with 3mm soldering tip in diameter. temperature of soldering iron tip 300 max ( the required amount of solder shall be melted in advance on the soldering tip.) 4 cooling after soldering. the varistors shall be cooled gr adually at room ambient temperature. peak temp. 225 perform adequate test in advance as the reflow temperat ure profile will vary according to the conditions of the manufacturing process, and the specification of the reflow furnace. smd transient voltage suppressors recommendation f or solderin g free datasheet http://
? . 0402/0603/0805/array series sfi amotech epcos avx 0402ml080c avl5m02200 vc040205x150 0402ml120c avl8m02200 vc040209x200 0402ml150c avl11l02200 0402ml180c avl14k02200 vc040214x300 0402ml240c avl18k02200 ct0402l14g vc040218x400 0603ml050c avl3m03300 vc060303a100 0603ml080c avl5m03300 ct0603m4g vc060305a150 0603ml120c avl8m03300 ct0603m6g vc060309a200 0603ml150c avl11l03300 ct0603l8g 0603ml180c avl14k03300 ct0603k11g vc060314a300 0603ml240c avl18k03300 ct0603k14g vc060318a400 0603ml270c ct0603k17g 0603ml330c ct0603k20g vc060326a580 0402-050e101np avlc5s02100 0402-050e560np avlc5s02050 0402-120e101np avlc14s02100 0402-120e560np avlc14s02050 0402-120e100np avlc18s02015 0402-240e2r5pp avlc18s02003 0603-120e101np avlc18s03120 0603-120e330np avlc18s03030 0603-120e100np avlc18s03015 0603-240e2r5pp avlc200s03003 array 0508 avnc18s05q015 array 0612 avnc18s06q120 mg064l18x500 0805ml080c avl5m05400 ct0805m4g vc080505a150 0805ml120c ct0805m6g vc080509a200 0805ml150c avl11l05400 vc080512a250 0805ml180c avl14k05400 ct0805k11g vc080514c300 0805ml240c avl18k05400 ct0805k14g vc080518c400 0805ml270c avl22k05400 ct0805k17g 0805ml330c avl26k05400 ct0805k20g vc080526c580 0805ml390c ct0805k25g vc080530a650 0805ml470c ct0805k30g smd transient voltage suppressors s md varistor cross re f erence lis t free datasheet http://
. 1206/1210/1812/2220/08ch series sfi amotech epcos avx sfi amotech epcos avx 1206ml080c avl5m06151 ct1206m4g vc120605a150 2220ml180c cn2220k11g 1206ml120c avl8m06151 ct1206m6g 2220ml240c cn2220k14g 1206ml150c avl11l06151 ct1206l8g 2220ml270c cn2220k17g 1206ml180c avl14k06151 ct1206k11g vc120614d300 2220ml330c cn2220k20g 1206ml240c avl18k06151 ct1206k14g vc120618d400 2220ml390c cn2220k25g 1206ml270c avl22k06151 ct1206k17g 2220ml470c cn2220k30g 1206ml330c avl26k06151 ct1206k20g vc120626d580 2220ml560c cn2220k35g 1206ml390c avl31k06151 ct1206k25g 2220ml680c cn2220k40g 1206ml470c avl38k06151 ct1206k30g vc120630d650 2220ml820c cn2220k50g 1206ml560c avl45k06151 ct1206k35g 08ch180l cu3225k11g2 1206ml680c avl56k06151 ct1206k40g vc120648d101 08ch240l cu3225k14g2 1210ml120c avl8m10251 ct1210m6g 08ch330l cu3225k20g2 1210ml150c avl11l10251 ct1210l8g 08ch390k cu3225k25g2 1210ml180c avl14k10251 ct1210k11g 08ch470k cu3225k30g2 1210ml240c avl18k10251 ct1210k14g vc121018j390 08ch680k cu3225k40g2 1210ml270c avl22k10251 ct1210k17g 08ch820k cu3225k50g2 1210ml330c avl26k10251 ct1210k20g vc121026h560 08ch101k cu3225k65g2 1210ml390c avl31k10251 ct1210k25g vc121030g620 08ch121k cu3225k75g2 1210ml470c avl38k06151 ct1210k30g 08ch151k cu3225k95g2 1210ml560c avl45k10251 ct1210k35g vc121048g101 08ch181k cu3225k115g2 1210ml680c avl56k10251 ct1210k40g 08CH201K cu3225k130g2 1812ml180c cn1812l11g 08ch221k cu3225k140g2 1812ml240c cn1812k14g 08ch241k cu3225k150g2 1812ml270c cn1812k17g 08ch271k cu3225k175g2 1812ml330c cn1812k20g 08ch361k cu3225k230g2 1812ml390c cn1812k25g 08ch391k cu3225k250g2 1812ml470c cn1812k30g 08ch431k cu3225k275g2 1812ml560c cn1812k35g 08ch471k cu3225k300g2 smd transient voltage suppressors s md varistor cross re f erence lis t free datasheet http://

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