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aluminum electrolytic capacitors axial-lead and soldering star capacitors series/type: b41694, b41794 date: february 2011 ? epcos ag 2011. reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos' prior express consent is prohibited.
applications for automotive applications with high emv requirementes features very high ripple current capability very low esr at temperatures down to 55 c high vibration resistance high reliability of 1000 h at up to 140 c shelf life up to 15 years at storage temperatures up to 40 c. to ensure solderability, the capacitors should be built into the application within one year of delivery. after a total of two years' storage, the operating voltage must be applied for one hour to ensure the specified leakage current. construction charge/discharge-proof, polar aluminum case with insulating sleeve negative pole connected to case terminals axial leads, welded to ensure perfect electrical contact also available with soldering stars taping and packing axial-lead capacitors will be delivered in pallet package. capacitors with d l 16 30 mm are also available taped on reel. soldering star capacitors are packed in cardboard. axial-lead and soldering star capacitors b41694, b41794 low esr up to 140 c page 2 of 16 please read cautions and warnings and important notes at the end of this document.
1) if optimum circuit design is used, the values are lower by 30%. specifications and characteristics in brief rated voltage v r 25 and 40 v dc surge voltage v s 1.15 v r rated capacitance c r 330 ... 3900 f capacitance tolerance 10/+30% q leakage current i leak (5 min, 20 c) self-inductance esl 1) diameter d (mm) 12 14 16 18 20/21 terminals length l (mm) approx. esl (nh) axial 25 22 29 38 30 21 24 29 34 39 33 38 45 49 50 soldering star 25 6 30 6 7 8 10 39 9 11 13 49 14 useful life requirements: 140 c; v r ; i ac,r > 1000 h d c/c 30% of initial value 125 c; v r ; i ac, r > 3000 h esr 3 times initial specified limit 85 c; v r ; i ac, max > 8000 h i leak initial specified limit 40 c; v r ; 2.1 i ac, r > 200000 h voltage endurance test post test requirements: 125 c; v r 2000 h d c/c 10% of initial value esr 1.3% initial specified limit i leak initial specified limit vibration resistance test to iec 60068-2-6, test fc: frequency range 10 hz ... 2 khz, displacement amplitude max. 1.5 mm, acceleration max. 20 g , duration 3 2 h. capacitor mounted by its wire leads at a distance of (6 1) mm from the case and additionally clamped by the case. iec climatic category to iec 60068-1: 55/125/56 ( 55 c/+125 c/56 days damp heat test) detail specification sectional specification similar to cecc 30301-802 iec 60384-4 b41694, b41794 low esr up to 140 c page 3 of 16 please read cautions and warnings and important notes at the end of this document.
b41694, axial-lead capacitors dimensional drawing dimensions, weights and packing units d l d max i max approx. weight packing units (pcs.) mm mm g pallet reel 12 30 12.5 30.5 5.1 288 450 14 25 14.5 25.5 5.7 200 350 14 30 14.5 30.5 6.8 200 350 16 30 16.5 30.5 8.9 180 250 16 39 16.5 40 11.7 180 18 30 18.5 30.5 11.1 160 18 39 18.5 40 14.7 160 20 29 20.5 29.5 13.5 140 21 39 21.5 40 20.0 140 21 49 21.5 50 25.0 110 b41694, b41794 low esr up to 140 c page 4 of 16 please read cautions and warnings and important notes at the end of this document.
b41794, soldering star capacitors dimensional drawings mounting holes d = 12 mm ... 14 mm mounting holes d = 16 mm ... 21 mm dimensions, weights and packing units d l d max i max c 0.1 e 0.1 approx. weight packing units mm mm mm mm g pcs. 12 30 13.5 32 12.5 3.0 5.4 480 14 25 15.5 27 14.5 3.0 6.1 480 14 30 15.5 32 14.5 3.0 7.2 480 16 30 17.5 32 16.5 3.0 9.4 300 16 39 17.5 41.5 16.5 3.0 12.2 200 18 30 19.5 32 18.5 3.0 11.8 300 18 39 19.5 41.5 18.5 3.0 15.4 200 21 39 22.5 41.5 21.5 3.5 21.0 324 21 49 22.5 51.5 21.5 3.5 26.0 264 b41694, b41794 low esr up to 140 c page 5 of 16 please read cautions and warnings and important notes at the end of this document.
overview of available types v r (v dc) 25 40 case dimensions d l (mm) c r ( m f) 330 12 30 470 14 25 14 30 680 16 30 1000 16 30 18 30 1200 20 29 1500 16 39 18 30 18 39 1800 20 29 2200 18 39 21 39 2700 21 49 3300 21 39 3900 21 49 b41694, b41794 low esr up to 140 c page 6 of 16 please read cautions and warnings and important notes at the end of this document.
case dimensions and ordering codes v r v dc c r 100 hz 20 c m f case dimensions d l mm ordering code axial pallet ordering code axial reel ordering code soldering star ? variant with different case dimensions 25 470 14 25 b41694a5477q007 b41694a5477q009 b41794a5477q000 1000 16 30 b41694a5108q007 b41694a5108q009 b41794a5108q000 1500 16 39 b41694a5158q007 b41794a5158q000 1500 ? 18 30 b41694c5158q007 b41794c5158q000 1800 20 29 b41694a5188q007 2200 18 39 b41694a5228q007 b41794a5228q000 3300 21 39 b41694a5338q007 b41794a5338q000 3900 21 49 b41694a5398q007 B41794A5398Q000 40 330 12 30 b41694a7337q007 b41694a7337q009 b41794a7337q000 470 14 30 b41694b7477q007 b41694b7477q009 b41794b7477q000 680 16 30 b41694a7687q007 b41694a7687q009 b41794a7687q000 1000 18 30 b41694b7108q007 b41794b7108q000 1200 20 29 b41694a7128q007 1500 18 39 b41694b7158q007 b41794b7158q000 2200 21 39 b41694a7228q007 b41794a7228q000 2700 21 49 b41694a7278q007 b41794a7278q000 b41694, b41794 low esr up to 140 c page 7 of 16 please read cautions and warnings and important notes at the end of this document.
technical data c r 100 hz 20 c m f esr typ 100 hz 20 c m w esr max 100 hz 20 c m w esr max 100 hz 40 c m w esr max 10 khz 20 c m w z max 100 khz 20 c m w i ac,max 10 khz 85 c a i ac,max 10 khz 105 c a i ac,max 10 khz 125 c a i ac,r 10 khz 125 c a i ac,max 10 khz 140 c a ? variant with different case dimensions v r = 25 v dc 470 100 160 400 65 60 5.3 4.6 3.6 2.35 2.35 1000 50 80 200 38 35 7.3 6.3 4.9 3.2 3.2 1500 35 55 150 26 24 10.0 8.7 6.8 4.4 4.4 1500 ? 32 51 150 22 20 10.7 9.3 7.3 4.7 4.7 1800 27 44 130 19 19 11.3 9.9 7.7 5.0 5.0 2200 22 35 110 15 14 14.6 12.7 9.9 6.4 6.4 3300 17 27 80 13 13 15.7 13.6 10.7 6.9 6.9 3900 14 22 60 10 10 19.8 17.2 13.5 8.7 8.7 v r = 40 v dc 330 120 200 450 65 60 5.7 4.9 3.9 2.5 2.5 470 85 140 350 47 44 6.6 5.8 4.5 2.9 2.9 680 60 100 250 38 36 7.3 6.3 5.0 3.2 3.2 1000 40 65 180 23 22 10.6 9.2 7.2 4.6 4.6 1200 35 57 140 21 20 11.4 9.8 7.7 5.0 5.0 1500 27 45 120 16 15 14.5 12.6 9.9 6.3 6.3 2200 21 33 85 13 13 15.8 13.8 10.8 6.9 6.9 2700 17 27 65 11 11 19.9 17.3 13.5 8.7 8.7 b41694, b41794 low esr up to 140 c page 8 of 16 please read cautions and warnings and important notes at the end of this document.
1) refer to chapter "general technical information, 5.3 calculation of useful life" for an explanation on how to interpret the useful life graphs. useful life depending on ambient temperature t a under ripple current operating conditions at v r 1) useful life depending on case temperature t c under ripple current operating conditions at v r 1) b41694, b41794 low esr up to 140 c page 9 of 16 please read cautions and warnings and important notes at the end of this document.
frequency factor of permissible ripple current i ac versus frequency f frequency characteristics of esr typical behavior equivalent series resistance esr versus frequency f typical behavior for 1000 f/40 v impedance z versus frequency f typical behavior for 1000 f/40 v b41694, b41794 low esr up to 140 c page 10 of 16 please read cautions and warnings and important notes at the end of this document.
cautions and warnings personal safety the electrolytes used by epcos have not only been optimized with a view to the intended application, but also with regard to health and environmental compatibility. they do not contain any solvents that are detrimental to health, e.g. dimethyl formamide (dmf) or dimethyl acetamide (dmac). furthermore, part of the high-voltage electrolytes used by epcos are self-extinguishing. they contain flame-retarding substances which will quickly extinguish any flame that may have been ignited. as far as possible, epcos does not use any dangerous chemicals or compounds to produce operating electrolytes. however, in exceptional cases, such materials must be used in order to achieve specific physical and electrical properties because no safe substitute materials are currently known. however, the amount of dangerous materials used in our products has been limited to an absolute minimum. nevertheless, the following rules should be observed when handling aluminum electrolytic capacitors: any escaping electrolyte should not come into contact with eyes or skin. if electrolyte does come into contact with the skin, wash the affected parts immediately with running water. if the eyes are affected, rinse them for 10 minutes with plenty of water. if symptoms persist, seek medical treatment. avoid breathing in electrolyte vapor or mists. workplaces and other affected areas should be well ventilated. clothing that has been contaminated by electrolyte must be changed and rinsed in water. b41694, b41794 low esr up to 140 c page 11 of 16 please read cautions and warnings and important notes at the end of this document.
product safety the table below summarizes the safety instructions that must be observed without fail. a detailed description can be found in the relevant sections of chapter "general technical information". topic safety information reference chapter "general technical information" polarity make sure that polar capacitors are connected with the right polarity. 1 "basic construction of aluminum electrolytic capacitors" reverse voltage voltages polarity classes should be prevented by connecting a diode. 3.1.6 "reverse voltage" upper category temperature do not exceed the upper category temperature. 7.2 "maximum permissible operating temperature" maintenance make periodic inspections of the capacitors. before the inspection, make sure that the power supply is turned off and carefully discharge the electricity of the capacitors. do not apply any mechanical stress to the capacitor terminals. 10 "maintenance" mounting position of screw- terminal capacitors do not mount the capacitor with the terminals (safety vent) upside down. 11.1. "mounting positions of capacitors with screw terminals" mounting of single-ended capacitors the internal structure of single-ended capacitors might be damaged if excessive force is applied to the lead wires. avoid any compressive, tensile or flexural stress. do not move the capacitor after soldering to pc board. do not pick up the pc board by the soldered capacitor. do not insert the capacitor on the pc board with a hole space different to the lead space specified. 11.4 "mounting considerations for single-ended capacitors" robustness of terminals the following maximum tightening torques must not be exceeded when connecting screw terminals: m5: 2 nm m6: 2.5 nm 11.3 "mounting torques" soldering do not exceed the specified time or temperature limits during soldering. 11.5 "soldering" b41694, b41794 low esr up to 140 c page 12 of 16 please read cautions and warnings and important notes at the end of this document.
topic safety information reference chapter "general technical information" soldering, cleaning agents do not allow halogenated hydrocarbons to come into contact with aluminum electrolytic capacitors. 11.6 "cleaning agents" passive flammability avoid external energy, such as fire or electricity. 8.1 "passive flammability" active flammability avoid overload of the capacitors. 8.2 "active flammability" reference chapter "capacitors with screw terminals" breakdown strength of insulating sleeves do not damage the insulating sleeve, especially when ring clips are used for mounting. "screw terminals accessories" b41694, b41794 low esr up to 140 c page 13 of 16 please read cautions and warnings and important notes at the end of this document.
symbols and terms symbol english german c capacitance kapazit?t c r rated capacitance nennkapazit?t c s series capacitance serienkapazit?t c s,t series capacitance at temperature t serienkapazit?t bei temperatur t c f capacitance at frequency f kapazit?t bei frequenz f d case diameter, nominal dimension geh?usedurchmesser, nennma? d max maximum case diameter maximaler geh?usedurchmesser esl self-inductance eigeninduktivit?t esr equivalent series resistance ersatzserienwiderstand esr f equivalent series resistance at frequency f ersatzserienwiderstand bei frequenz f esr t equivalent series resistance at temperature t ersatzserienwiderstand bei temperatur t f frequency frequenz i current strom i ac alternating current (ripple current) wechselstrom i ac,rms root-mean-square value of alternating current wechselstrom, effektivwert i ac,f ripple current at frequency f wechselstrom bei frequenz f i ac,max maximum permissible ripple current maximal zul?ssiger wechselstrom i ac,r rated ripple current nennwechselstrom i ac,r (b) rated ripple current for base cooling nennwechselstromstrom fr bodenkhlung i leak leakage current reststrom i leak,op operating leakage current betriebsreststrom l case length, nominal dimension geh?usel?nge, nennma? l max maximum case length (without terminals and mounting stud) maximale geh?usel?nge (ohne anschlsse und gewindebolzen) r resistance widerstand r ins insulation resistance isolationswiderstand r symm balancing resistance symmetrierwiderstand t temperature temperatur d t temperature difference temperaturdifferenz t a ambient temperature umgebungstemperatur t c case temperature geh?usetemperatur t b capacitor base temperature temperatur des becherbodens t time zeit d t period zeitraum t b service life (operating hours) brauchbarkeitsdauer (betriebszeit) b41694, b41794 low esr up to 140 c page 14 of 16 please read cautions and warnings and important notes at the end of this document.
symbol english german v voltage spannung v f forming voltage formierspannung v op operating voltage betriebsspannung v r rated voltage, dc voltage nennspannung, gleichspannung v s surge voltage spitzenspannung x c capacitive reactance kapazitiver blindwiderstand x l inductive reactance induktiver blindwiderstand z impedance scheinwiderstand z t impedance at temperature t scheinwiderstand bei temperatur t tan d dissipation factor verlustfaktor l failure rate ausfallrate e 0 absolute permittivity elektrische feldkonstante e r relative permittivity dielektrizit?tszahl w angular velocity; 2 p f kreisfrequenz; 2 p f note all dimensions are given in mm. b41694, b41794 low esr up to 140 c page 15 of 16 please read cautions and warnings and important notes at the end of this document.
the following applies to all products named in this publication: 1. some parts of this publication contain statements about the suitability of our products for certain areas of application . these statements are based on our knowledge of typical re- quirements that are often placed on our products in the areas of application concerned. we nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application . as a rule, epcos is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. for these reasons, it is always ultimately incum- bent on the customer to check and decide whether an epcos product with the properties de- scribed in the product specification is suitable for use in a particular customer application. 2. we also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified . in customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or lifesaving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component. 3. the warnings, cautions and product-specific notes must be observed. 4. in order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in certain jurisdictions (e.g. because they are classed as hazardous) . useful information on this will be found in our ma- terial data sheets on the internet (www.epcos.com/material). should you have any more de- tailed questions, please contact our sales offices. 5. we constantly strive to improve our products. consequently, the products described in this publication may change from time to time . the same is true of the corresponding product specifications. please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. we also reserve the right to discontinue production and delivery of products . consequently, we cannot guarantee that all products named in this publication will always be available. the aforementioned does not apply in the case of individual agreements deviating from the fore- going for customer-specific products. 6. unless otherwise agreed in individual contracts, all orders are subject to the current ver- sion of the "general terms of delivery for products and services in the electrical in- dustry" published by the german electrical and electronics industry association (zvei) . 7. the trade names epcos, baoke, alu-x, ceradiode, csmp, cssp, ctvs, deltacap, digisimic, dssp, formfit, miniblue, minicell, mkk, mkd, mlsc, motorcap, pcc, phasecap, phasecube, phasemod, phicap, siferrit, sifi, sikorel, silvercap, simdad, simic, simid, sineformer, siov, sip5d, sip5k, thermofuse, windcap are trade- marks registered or pending in europe and in other countries. further information will be found on the internet at www.epcos.com/trademarks. important notes page 16 of 16

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