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specification of electrical double layer capacitor murata manufacturing co., ltd. 1 specification no. jecxde-0028 to mouser electronics specification date: august 30, 2013 product description: electrical double layer capac itor customer part number: murata part number: DMT334R2S474M3DTA0 stamp or signature for receipt we received this documents / / company name section name mgr eng. issue section company name mgr. atsushi kawashima eng. kunio nomura sales section murata manufacturing co., ltd. high performance power device dept. murata manufacturing co., ltd.
specification of electrical double layer capacitor murata manufacturing co., ltd. 2 1. scope these specifications are applicable for electrical double layer capacitor (edlc) for consumer electron ic equipments. for other markets and applications plea se contact your local murata sales or engineering representative. this specification outlines detaile d information for double cell edlc for back up appl ications. for use under different conditions within the scope of these specifications, please consult a murata s ales or engineering representative. 2. part number description dmt (1) (1)(1) (1) (2) (3) (4) (2) (3) (4) (2) (3) (4) (2) (3) (4) (5) (6) ( (5) (6) ( (5) (6) ( (5) (6) (7) (8) 7) (8) 7) (8) 7) (8) (9) (9)(9) (9) number name code ex. specification (1) series dmt > thin laminate & high reliability type > operating temperature: -30deg c~85 deg c > storage temperature: -40deg c~85 deg c > rated voltage: 4.2v use within the following periods of time at each op eration temperature; ~60 degc,4.2v: 87,600hrs (10years) ~70 degc,4.2v: 43,800hrs (5years) ~85 degc,4.2v: 8,760hrs (1year) (2) dimensions 33 t: measured by 10mm plate with 0.9n. details shown in section 5. code lw t: thickness(mm) 33 l:21.0+/-0.5mm w:14.0+/-0.5mm 3.5 +0.3/-0.3 (3) rated voltage 4r2 4.20v: continuous loading voltage (4) esr s code initial esr @ 1khz (m ohm) @25degc s 130 (max150) m (5) nominal capacitance 474 code capacitance 474 470mf(4710 4 uf) (6) cap tolerance m m:+/-20%(standard) (7) terminal type 3d au plating: 3d terminal pattern: refer to mechanical drawing shown in section 5. (8) packaging t t: tray package details shown in section 7. (9) in-house specification a0 murata management code
specification of electrical double layer capacitor murata manufacturing co., ltd. 3 3. dmt series part number rated voltage esr @1khz @25deg c nominal capacitanc e @25deg c dimensions(mm) leakage current max @96hr l w t DMT334R2S474M3DTA0 4.2v 130 mohm (max 150 mohm) 470 mf +/-20% 21.0 +/-0.5 14.0 +/-0.5 3.5 +/-0.3 5ua t: measured by 10mm plate with 0.9n. as for the temperature characteristics of esr and capa citance, please refer to ?8-8. temperature characte ristics?. 4. product structure 4-1. electrolyte inside of 4-4-1.laminate 4-2. electrode consisting of 4-2-1. al foil and 4-2-2. carbon 4-3. separator 4-2-1. al foil 4-2-2. carbon 4-4. outer package: consisting of 4-4-1. laminate, 4-4-2. withdraw terminal + outer terminal, 4-4-1. laminate 4-4-2. withdraw terminal + outer terminal
specification of electrical double layer capacitor murata manufacturing co., ltd. 4 positive electrode rated voltage esr code capacitance and tolerance code negative electrode series code balance electrode sequence number b a=1.7+/-0.2mm a?=1.8+/-0.5mm e=0.9mm (typ) f=4.5mmmax (typ: 4.0mm) e: length of soldering area dmt s474m 4.2v * * * * * 21.0+/ - 0.5mm 14.0+/-0.5mm 25.5mmmax (typ: 25.0) f(see.5.1) 5. mechanical drawing 5.1 electrode size 6. marking part number capacitance t(mm) s(mm) DMT334R2S474M3DTA0 470mf 3.5 (typical) less than 0.2 t s
specification of electrical double layer capacitor murata manufacturing co., ltd. 5 7. packaging tray (50pcs/ tray) min package (500pcs) tray size(lxw): 320mm x 120mm *minimum shipping quantity: 500pcs cover tray 10 trays 500pcs plastic bag 500pcs 500pcs label label label
specification of electrical double layer capacitor murata manufacturing co., ltd. 6 8. performance no item specification validation method 1 operating temperature -30degc ~ +85degc 2 storage temperature -40degc ~ +85degc 3 appearance no external abnormality visual 4 dimensions refer to section 5 microscope, vernier caliper 5 nominal capacitance satisfy the following value. code capacitance 474 470mf+/-20% discharge method 1. charge capacitor for 30min at rated peak voltage 4.2v. 2.then discharge v1: 80% of rated peak voltage v2: 40% of rated peak voltage t1: time with voltage v1 t2: time with voltage v2 discharge current: 100ma 6 esr code initial esr @ 1khz (m ohm) @25c s 130 (max150) measured at ac1khz. current: 10ma - 200ma 7 leakage current less than or equal to 5ua at 96hr s after charging temperature: 25+/-2degc
specification of electrical double layer capacitor murata manufacturing co., ltd. 7 no item specification validation method 8 temperature characteristics capacitance temperature (deg c) capacitance change versus 25degc 85 (max temp.) +/-20% 40(ref.) +/-20% 25 - 0(ref.) +/-20% -20(ref.) +/-20% -30 (min temp.) +/-20% esr(@1khz) temperature (deg c) esr change relative to initial value(@ 1khz) 85(max temp.) +100% or less 70(ref) +100% or less 40(ref) +100% or less 25 - 0(ref) +200% or less -20(ref) +400% or less -30(min temp.) +600% or less temperature setting value +/- 2degc. > capacitance measured with discharge method specified in no 5. > esr measured with ac 1khz specified in no 6. 9-1 terminal strength1 no break or crack on any ter minal by applying less than 5n. hold the capacitor body and pull terminal. 9-2 terminal strength2 no break or crack on any ter minal by applying less than 1n. hold the capacitor body and pull terminal. 10 solder wettability min 75% of terminal electrode should be covered by new solder. preprocessing condition: pct105degc/relative humidity 100%/ 1.22x10 5 pa for 4 hours immersion depth (flux and solder): up to 1.0~2.0mm from terminal head. solder temperature: 245+/-3degc. sn-3ag-0.5cu solder immersion time: 2~3 sec duration: 25+/-2.5mm/s 11 solder heat resistance item specification capacitance satisfy initial value esr satisfy initial value leakage current satisfy initial value thickness @25degc satisfy initial value appearance no abnormality and no electrolyte leakage. soldering iron: wattage 70w (typical) diameter of soldering tip: 0.8mm exposed length: 3mm, solder type: resin flux cored solder wire (nominal length 1.2mm) solder: lead-free solder: sn-3ag-0.5cu test condition: soldering tip temperature: 350+/-10degc heating duration: 3.0+1/-0 sec test method: *position the soldering iron pararell to the test spot of terminal *avoid contact of soldering tip with capacitor body.
specification of electrical double layer capacitor murata manufacturing co., ltd. 8 no item specification validation method 12 vibration tests items specification capacitance -20% of initial value esr +20% of initial value leakage current satisfy initial value thickness @25degc satisfy initial value appearance no external abnormality and no electrolyte leakage. test condition: voltage:4.2+0/-0.1v acceleration amplitude:10 150hz 5.0g sweep cycle: 20times/x, y and z direction sweep time: log 8minutes for each way fix the capacitor on substrate by double-stick tape (nitto denko corporation, no.5000ns) so that bibration stress will be applied to the inside of the capacitor package. . no stress on the terminals 13 temperature cycle. items specification capacitance -20% of initial value esr +20% of initial value leakage current satisfy initial value appearance no abnormality and no electrolyte leakage. temperature range: -40degc to +85degc (30 min/each) test cycles: 256 cycles *without charging. temperature cycle temperature 1 room temperature 25+/-2degc 2 -40+/-2degc 3 room temperature 25+/-2degc 4 85+/-2degc 5 room temperature 25+/-2degc *temperature change should be done within five minutes *measure characteristics at 25degc. 14 storage at high temperature. items specification capacitance -20% of initial value esr +20% of initial value leakage current satisfy initial value thickness @25degc max 0.1mm thicker than initial thickness thickness @85degc max 0.3mm thicker than initial thickness appearance no abnormality and no electrolyte leakage. temperature: 85+0/-3degc duration: 1000hrs+3/0hrs *without charging * measure characteristics at 25degc. *keep device for 2hrs or more at 25degc before measuring. 15 storage at high humidity. items specification capacitance -20% of initial value esr +20% of initial value leakage current satisfy initial value thickness @25degc max 0.1mm thicker than initial thickness appearance no abnormality and no electrolyte leakage. temperature: 40+0/-3degc humidity: 90-95% duration: 240+12/-0 hrs. *without charging *characteristics are measured at 25degc. * keep device for 2hrs or more at 25degc before measuring.
specification of electrical double layer capacitor murata manufacturing co., ltd. 9 no item specification validation method 16 storage at cold temperatures items specification capacitance satisfy initial value esr satisfy initial value leakage current satisfy initial value thickness @25degc satisfy initial value appearance no abnormality and no electrolyte leakage. temperature: -40+3/-0degc duration : 1000+3/-0hrs *without charging *measure characteristics at 25degc. *keep device for 2hrs or more at 25degc before measuring. 17 high temperature loading items specification capacitance -40% of initial value esr +50% of initial value leakage current satisfy initial value thickness @25degc max1.0mm thicker than initial thickness. appearance no abnormality and no electrolyte leakage. voltage: dc 4.2 +0/-0.1 v temperature: 85+/-2degc duration: 1000+48hrs/-0hrs charge and discharge current:500ma max *measure characteristics at 25degc. *keep device for 2hrs or more at 25degc before measuring. 18 high humidity loading items specification capacitance -20% of initial value esr +20% of initial value leakage current satisfy initial value thickness @25degc max 0.1mm thicker than initial thickness appearance no abnormality and no electrolyte leakage. voltage: dc 4.2 +0/-0.1 v temperature: 40+0/-3degc humidity: 90-95% duration:500+/-12hrs *measure characteristics at 25degc. *keep device for 2hrs or more at 25degc before measuring. 19 charge-discharge cycle test items specification capacitance -30% of initial value esr +40% of initial value leakage current satisfy initial value thickness @25degc max 0.1mm thicker than initial thickness. appearance no abnormality and no electrolyte leakage. charge voltage: 4.2 +0/-0.1v temp.: 40 +/-2 degc current: 5.0+0/-0.1a cycle number: 50000
specification of electrical double layer capacitor murata manufacturing co., ltd. 10 9. safety test specification no item specification validation method 1 puncture no smoke, ignition or rupture preproces sing: charge up to rated peak voltage at 25degc. fully penetrate the center of capacitor by a 2.5 needle. temperature: 85degc 2 compression no smoke, ignition or rupture preproc essing: 1. charge device to rated peak voltage at 25degc. 2. press the center of the capacitor with 10 round bar and bend it at 90 degrees.(x and y directions, both sides) at 85+/-2deg c. 3 external short circuit no leakage, smoke, ignitio n or rupture preprocessing: charge up device to rated peak voltage at 25degc connect plus and minus terminals by external resistance of 80+/- 20mohm. temperature: 85degc. 4 heating no smoke, no ignition. preprocessing: cha rge up to peak rated voltage at 25degc. allow capacitor to sit at 150degc for 3 hours 5 static electricity test (esd) no leakage, smoke, ignition or rupture c=150pf, r=150ohm, 1kv, 10 times test object: balance terminal, plus terminal, upper and under sides of package temperature: 25degc 10. quality assurance (1) murata?s responsibility for the quality of this product shall be limited to the specifications and usage as stated in this document. (2) the customer should evaluate and decide on the right type of assembly process and operating conditions/environment for this product. (3) please keep device in sealed plastic package be fore use. 11. caution 11.1 limitation of usage this product is designed for standard consumer appl ications. for the following high reliability applications, please contact murata beforehand to d iscuss limitations and restrictions. wrongful use of this product could lead to malfunct ion and harm to human life or property. (1)aviation machinery (2) space machinery (3) undersea machinery (4)power plant control equipment (5)transportat ion equipment (car, train, ship?etc.,) (6)signal machinery for traffic (7)disaster pre vention/crime prevention machinery (8) other equivalent machinery please do not use this product for any applications related to the followings. (1)military equipment (2) medical equipment
specification of electrical double layer capacitor murata manufacturing co., ltd. 11 11.2 storage conditions 11.2.1 storage condition without opening outer pack age. 30degc 60%rh for 1 year (before opening outer packa ge) this product cannot be baked. 11.2.2 storage conditions after opening outer packa ge. (1)term of warranty of this device is 3 months afte r opening sealed package. (2)storage environment please keep device under the following conditions in sealed package. temperature: 5-35 deg c and humidity: no more than 70%rh. no condensation. avoid any acidic or alkaline environment. avoid excessive external force on this device while in storage. (3)please keep device in sealed plastic package bef ore use (4)please do not apply any heat treatment before us e. 11.3. caution before usage (1)rated voltage this device must be used within rated voltage. i n case over voltage, electrolyte leakage or swelling may occur. this device has two individual cells connected e lectrically in series. please make sure that voltage is less than 2.1v per cell for constant loa d. (2)balance control when connecting 2 or more capacitors in series ( this device itself consists of two individual capacitors connected electrically in series.), plea se make sure to control voltage balance of each capacitor for the following two purposes; - to prevent overvoltage: prevent excessive voltage from being applied to any capacitor - to prevent shortening of the life time: by making capacitor voltage equal, variation in the rate of degradation can be controlled. it allows lo ng-term use of capacitors. discharge frequency of capacitor under 10 times 10-100times 100 times or more 2.0v and over /cell 100k or less 47k or less 4.7k or less under 2.0v/cell 100k or less 100k or less 10k or less supposed condition: temperature is always under 7 0degc. within five years if using capacitor always at over 70degc, please consult a murata representative.
specification of electrical double layer capacitor murata manufacturing co., ltd. 12 (3)applicable wave form fig 1. permitted loading. dc ac+dc pulse fig 2. restricted loading. ac pulse 1 pulse 2 this device has polarity. please do not reverse pol arity when in use. reverse polarity may damage electrolyte or the elec trode inside. please verify the orientation of the capacitor befo re use in accordance with the markings of polarity on the products. (4)self heating temperature the product temperature should not exceed 70degc , including any self heating due to high currents and esr (ohmic losses). when measuring tem perature, a 0.1mm type k thermocouple of low heat capacity is recommended. s elf heating temperature should be measured under no radiation heat from tabs and wind -free condition. excessive heating may decrease the reliability of the product or damage i t irreversibly. (5)if a capacitor body contacts with other part or circuit, it may cause leakage failure. (6)this device cannot be used under any acidic or a lkaline environment. (7)this device uses a relatively low vapor pressure liquid electrolyte. at high altitudes (low external pressure), internal resistance or other pe rformance may be decreased. if you would like to use this product at high altitude continuou sly, please consult a murata representative first. 11.4. caution for soldering and assembling (1)reflow and flow soldering cannot be used because a capacitor body temperature will rise beyond maximum allowable temperature. please use ot her mounting methods. these may include hand soldering, connector mounting, etc. (2)please do not apply excessive force to the capac itor during insertion as well as after soldering. the excessive force may result in damage to electrode terminals and/or degradation of electrical performance.
specification of electrical double layer capacitor murata manufacturing co., ltd. 13 a a a b c c a=2.2mm b=3.0mm c=1.3mm positive(+) terminal balance terminal negative(-)terminal a=2.5mm b=3.0~4.0mm c=1.0mm d=3.5mm f =3.5mm (3)hand soldering please solder under following conditions. soldering iron temperature at 350 deg c +/-10 de g c solder iron wattage: 70w or less soldering time: 3~4 sec per one terminal allowable soldering frequencies: 3 times /devic e. please do not touch laminate package directly b y solder iron. in order to ensure the connectivity, please app ly preparatory solder on the land. when soldering, please apply flux or flux solde r, heating the preparatory solder. (4)please refer to figure below for designing lan d pattern. (5)please do not wash the device after soldering. 11.5. resin coating if coating/molding the device with resin, there is a risk that some resins may erode metal, or cure-stress of resin may distort terminal or packag e shape. so please pay careful attention in selecting resin. prior to use, please make the reli ability evaluation with the device mounted in your application set. 11.6. disassembly this device uses a volatile organic electrolyte. pl ease do not disassemble it. 11.7. disposal this device should be disposed of as industrial was te in accordance with local laws and regulations. never throw this device into fire. 11.8. response to iata dangerous goods regulations according to 54th edition of iata dangerous goods r egulations effective from january 1, 2013, electrical double layer capacitor (eldc) with an energy storage capacity greater than 0.3wh is treated as dangerous goods and introduced as un3499 in class 9. however, an energy storage capacity of each murata? s edlcs is not greater than 0.3wh. therefore, murata?s edlcs are not covered by this r egulation. land pattern and product package land pattern product package d f
specification of electrical double layer capacitor murata manufacturing co., ltd. 14 12. proposal (1) when you use, please evaluate in a state mounte d by your product. (2) please do not use this product other than the m entioned contents of this specification. (3) please return us a copy after sealing with your company receipt stamp in this specification. (4) we think that it is not appropriate to mention a contract matter about the business in specifications, a drawing and other technical docum entations. (5) this document specifies technical and quality s pecifications. no warranties or liabilities are implied implicitly or explicitly in this document. these matters should be handled elsewhere.
specification of electrical double layer capacitor murata manufacturing co., ltd. 15 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 200% -50 -25 0 25 50 75 100 capacitance change (%) temperature (degc) 0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000% -30 -20 -10 0 25 70 85 esr change v.s.25degc(%) temperature (degc) 13. performance data 13.1. leakage current (typical) shows how leakage current decays with time as below . 13.2. temperature performance reference temperature: 25degc 13.3. high temperature load test (typical) high temperature test 1: a pply 70degc/4.2v
specification of electrical double layer capacitor murata manufacturing co., ltd. 16 high temperature test 2: app ly 85 degc/4.2v

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