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film capacitors metallized polypropylene film capacitors (mkp) series/type: b32774 ... b32778 date: april 2012 ? epcos ag 2012. reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without epcos' prior express consent is prohibited.
typical applications for compact design of: frequency converters industrial and high-end power supplies solar inverters climatic max. operating temperature: 105 c (case) climatic category (iec 60068-1): 40/85/56 construction dielectric: polypropylene (mkp) plastic case (ul 94 v-0) epoxy resin sealing (ul 94 v-0) features capacitance values up to 110 m f high cv product, compact excellent self-healing properties overvoltage capability low losses with high current capability high reliability long useful life terminals parallel wire leads, lead-free tinned 2-pin and 4-pin versions standard lead lengths: 6 1 mm special lead lengths are available on request marking manufacturer's logo, lot number, date code, rated capacitance (coded), capacitance tolerance (code letter), rated dc voltage delivery mode bulk (untaped, lead length 6 1 mm) dimensional drawings 2-pin version 4-pin version dimensions in mm version lead spacing 0.4 lead diameter d 1 type 2-pin 27.5 0.8 b32774d 2-pin 37.5 1.0 b32776e/t 4-pin 37.5 1.2 b32776g 4-pin 52.5 1.2 b32778g metallized polypropylene film capacitors (mkp) b32774 ... b32778 mkp dc link high density series page 2 of 21 please read cautions and warnings and important notes at the end of this document.
overview of available types lead spacing 27.5 mm 37.5 mm type b32774 b32776 page 5 6 v r (v dc) 450 800 1100 1300 450 575 800 900 1100 1300 c r ( m f) 1.5 2.0 2.7 3.0 3.5 3.9 5.0 6.8 7.0 7.5 8.0 8.5 10 12 14 15 16 20 22 25 30 35 40 45 50 55 60 b32774 ... b32778 mkp dc link high density series page 3 of 21 please read cautions and warnings and important notes at the end of this document.
lead spacing 52.5 mm type b32778 page 9 v r (v dc) 450 575 800 900 1100 1300 c r ( m f) 20 25 27 30 35 40 45 50 55 60 75 80 100 110 b32774 ... b32778 mkp dc link high density series page 4 of 21 please read cautions and warnings and important notes at the end of this document.
ordering codes and packing units (lead spacing 27.5 mm) c r m f max. dimensions w h l mm p 1 mm ordering code (composition see below) i rms,max 70 c 10 khz a i rms,max 70 c 20 khz a esr typ 70 c 10 khz m w untaped pcs./moq moq = minimum order quantity, consisting of 4 packing units. further e series and intermediate capacitance values on request. composition of ordering code + = capacitance tolerance code: k = 10% j = 5% v r,70 c = 450 v dc, v op,85 c = 450 v dc 5.0 11.0 21.0 31.5 b32774d4505+000 5.0 4.5 8.5 2352 10 15.0 24.5 31.5 b32774d4106+000 6.5 6.0 7.5 1680 22 22.0 36.5 31.5 b32774d4226+000 10.0 9.0 5.0 784 v r,70 c = 800 v dc, v op,85 c = 700 v dc 3.0 11.0 21.0 31.5 b32774d8305+000 5.0 4.5 9.0 2352 5.0 14.0 24.5 31.5 b32774d8505+000 5.0 4.5 7.0 1848 12 22.0 36.5 31.5 b32774d8126+000 6.0 5.5 6.5 784 v r,70 c = 1100 v dc, v op,85 c = 920 v dc 2.0 12.5 21.5 31.5 b32774d0205+000 4.0 3.5 11.0 2100 5.0 19.0 30.0 31.5 b32774d0505+000 6.5 6.0 7.0 896 7.0 22.0 36.5 31.5 b32774d0705+000 7.5 7.0 5.5 784 v r,70 c = 1300 v dc, v op,85 c = 1100 v dc 1.5 12.5 21.5 31.5 b32774d1155+000 4.5 4.0 10.5 2100 3.0 18.0 27.5 31.5 b32774d1305+000 6.0 5.5 7.0 1428 5.0 22.0 36.5 31.5 b32774d1505+000 8.0 7.0 6.0 784 b32774 mkp dc link high density series page 5 of 21 please read cautions and warnings and important notes at the end of this document.
ordering codes and packing units (lead spacing 37.5 mm) c r m f max. dimensions w h l mm p 1 mm ordering code (composition see below) i rms,max 70 c 10 khz a i rms,max 70 c 20 khz a esr typ 70 c 10 khz m w untaped pcs./moq moq = minimum order quantity, consisting of 4 packing units. further e series and intermediate capacitance values on request. composition of ordering code + = capacitance tolerance code: k = 10% j = 5% v r,70 c = 450 v dc, v op,85 c = 450 v dc 12 24.0 15.0 41.5 b32776t4126k000 8.0 8.0 8.0 1040 16 24.0 19.0 41.5 b32776t4166k000 9.0 9.0 7.0 780 30 20.0 39.5 41.5 10.2 b32776g4306+000 12.5 11.5 8.0 640 30 20.0 39.5 41.5 b32776e4306+000 11.5 10.5 9.0 640 35 28.0 37.0 42.0 10.2 b32776g4356+000 13.5 12.5 8.0 440 35 28.0 37.0 42.0 b32776e4356+000 12.5 11.5 9.0 440 40 28.0 37.0 42.0 10.2 b32776g4406+000 14.5 13.5 5.0 440 40 28.0 37.0 42.0 b32776e4406+000 13.5 12.5 5.5 440 50 28.0 42.5 41.5 10.2 b32776g4506+000 16.0 15.0 4.0 440 50 28.0 42.5 41.5 b32776e4506+000 15.0 14.0 4.0 440 60 30.0 45.0 42.0 b32776e4606+000 16.5 15.0 3.0 400 v r,70 c = 575 v dc, v op,85 c = 500 v dc 8.5 24.0 15.0 41.5 b32776t5855+000 8.5 8.5 7.0 1040 12 24.0 19.0 41.5 b32776t5126k000 9.0 9.0 7.0 780 25 20.0 39.5 41.5 10.2 b32776g5256k000 11.5 11.5 4.75 640 25 20.0 39.5 41.5 b32776e5256k000 11.0 11.0 5.0 640 30 28.0 37.0 42.0 10.2 b32776g5306+000 14.0 14.0 3.85 440 30 28.0 37.0 42.0 b32776e5306+000 13.5 13.5 4.0 440 35 28.0 42.5 41.5 10.2 b32776g5356+000 14.5 14.0 3.75 440 35 28.0 42.5 41.5 b32776e5356+000 14.0 13.5 4.0 440 45 30.0 45.0 42.0 20.3 b32776g5456k000 16.5 16.5 2.85 400 45 30.0 45.0 42.0 b32776e5456k000 15.5 15.0 3.4 400 55 33.0 48.0 42.0 20.3 b32776g5556k000 19.0 19.0 2.4 180 b32776 mkp dc link high density series page 6 of 21 please read cautions and warnings and important notes at the end of this document.
ordering codes and packing units (lead spacing 37.5 mm) c r m f max. dimensions w h l mm p 1 mm ordering code (composition see below) i rms,max 70 c 10 khz a i rms,max 70 c 20 khz a esr typ 70 c 10 khz m w untaped pcs./moq moq = minimum order quantity, consisting of 4 packing units. further e series and intermediate capacitance values on request. composition of ordering code + = capacitance tolerance code: k = 10% j = 5% v r,70 c = 800 v dc, v op,85 c = 700 v dc 6.8 24.0 15.0 41.5 b32776t8685+000 7.0 7.0 11.0 1040 8.5 24.0 19.0 41.5 b32776t8855+000 8.0 8.0 9.0 780 14 18.0 32.5 41.5 b32776e8146+000 10.0 9.0 7.5 720 15 20.0 39.5 41.5 10.2 b32776g8156+000 10.5 9.5 7.0 640 20 28.0 37.0 42.0 10.2 b32776g8206+000 12.0 11.0 5.5 440 20 28.0 37.0 42.0 b32776e8206+000 11.5 10.5 6.5 440 22 28.0 37.0 42.0 10.2 b32776g8226+000 13.0 12.0 5.0 440 25 28.0 42.5 41.5 b32776e8256+000 13.5 12.5 4.5 440 30 30.0 45.0 42.0 20.3 b32776g8306+000 15.0 14.0 3.5 400 30 30.0 45.0 42.0 b32776e8306+000 14.0 13.0 5.0 400 v r,70 c = 900 v dc, v op,85 c = 800 v dc 5 24.0 15.0 41.5 b32776t9505+000 4.5 4.5 17.0 1040 7.5 24.0 19.0 41.5 b32776t9755k000 6.0 6.0 12.0 780 15 20.0 39.5 41.5 10.2 b32776g9156k000 10.5 10.5 6.15 640 15 20.0 39.5 41.5 b32776e9156k000 10.0 10.0 6.35 640 20 28.0 37.0 42.0 10.2 b32776g9206k000 12.5 12.5 4.7 440 20 28.0 37.0 42.0 b32776e9206k000 12.0 12.0 4.9 440 22 28.0 42.5 41.5 10.2 b32776g9226k000 13.0 13.0 4.3 440 22 28.0 42.5 41.5 b32776e9226k000 12.5 12.0 4.8 440 25 30.0 45.0 42.0 20.3 b32776g9256+000 15.0 14.5 3.8 400 25 30.0 45.0 42.0 b32776e9256+000 14.0 13.5 4.2 400 30 33.0 48.0 42.0 20.3 b32776g9306+000 17.0 16.5 2.85 180 b32776 mkp dc link high density series page 7 of 21 please read cautions and warnings and important notes at the end of this document.
ordering codes and packing units (lead spacing 37.5 mm) c r m f max. dimensions w h l mm p 1 mm ordering code (composition see below) i rms,max 70 c 10 khz a i rms,max 70 c 20 khz a esr typ 70 c 10 khz m w untaped pcs./moq moq = minimum order quantity, consisting of 4 packing units. further e series and intermediate capacitance values on request. composition of ordering code + = capacitance tolerance code: k = 10% j = 5% v r,70 c = 1100 v dc, v op,85 c = 920 v dc 3.9 24.0 15.0 41.5 b32776t0395+000 6.5 6.5 12.0 1040 5 24.0 19.0 41.5 b32776t0505+000 7.0 7.0 10.0 780 12 20.0 39.5 41.5 10.2 b32776g0126+000 11.0 10.0 6.5 640 12 20.0 39.5 41.5 b32776e0126+000 10.0 9.0 7.0 640 14 28.0 37.0 42.0 10.2 b32776g0146+000 13.0 12.0 5.5 440 14 28.0 37.0 42.0 b32776e0146+000 12.0 11.0 6.0 440 16 28.0 42.5 41.5 10.2 b32776g0166+000 13.0 12.0 5.0 440 16 28.0 42.5 41.5 b32776e0166+000 12.0 11.0 5.5 440 20 30.0 45.0 42.0 20.3 b32776g0206+000 15.0 13.0 3.0 400 20 30.0 45.0 42.0 b32776e0206+000 13.0 12.0 3.5 400 v r,70 c = 1300 v dc, v op,85 c = 1100 v dc 2.7 24.0 15.0 41.5 b32776t1275+000 6.0 6.0 16.0 1040 3.5 24.0 19.0 41.5 b32776t1355+000 6.5 6.5 13.0 780 8.0 20.0 39.5 41.5 10.2 b32776g1805+000 9.0 8.0 8.0 640 10 28.0 37.0 42.0 10.2 b32776g1106+000 12.0 11.0 6.5 440 10 28.0 37.0 42.0 b32776e1106+000 11.0 10.0 7.0 440 12 28.0 42.5 41.5 10.2 b32776g1126+000 13.0 12.0 5.5 440 14 30.0 45.0 42.0 b32776e1146+000 13.0 12.0 5.0 400 b32776 mkp dc link high density series page 8 of 21 please read cautions and warnings and important notes at the end of this document.
ordering codes and packing units (lead spacing 52.5 mm) c r m f max. dimensions w h l mm p 1 mm ordering code (composition see below) i rms,max 70 c 10 khz a i rms,max 70 c 20 khz a esr typ 70 c 10 khz m w untaped pcs./moq moq = minimum order quantity, consisting of 4 packing units. further e series and intermediate capacitance values on request. composition of ordering code + = capacitance tolerance code: k = 10% j = 5% v r,70 c = 450 v dc, v op,85 c = 450 v dc 75 30.0 45.0 57.5 20.3 b32778g4756+000 16.0 15.5 5.5 280 80 30.0 45.0 57.5 20.3 b32778g4806+000 16.5 16.0 5.0 280 100 35.0 50.0 57.5 20.3 b32778g4107+000 18.0 18.0 4.0 108 110 35.0 50.0 57.5 20.3 b32778g4117+000 19.0 19.0 4.0 108 v r,70 c = 575 v dc, v op,85 c = 500 v dc 60 30.0 45.0 57.5 20.3 b32778g5606+000 16.0 15.5 3.5 280 80 35.0 50.0 57.5 20.3 b32778g5806+000 19.0 18.5 3.0 108 v r,70 c = 800 v dc, v op,85 c = 700 v dc 45 30.0 45.0 57.5 20.3 b32778g8456+000 16.0 15.0 4.0 280 55 35.0 50.0 57.5 20.3 b32778g8556+000 17.0 16.0 3.5 108 60 35.0 50.0 57.5 20.3 b32778g8606+000 19.0 18.0 3.0 108 v r,70 c = 900 v dc, v op,85 c = 800 v dc 35 30.0 45.0 57.5 20.3 b32778g9356+000 14.0 14.0 4.5 280 50 35.0 50.0 57.5 20.3 b32778g9506k000 18.0 18.0 3.5 108 v r,70 c = 1100 v dc, v op,85 c = 920 v dc 30 30.0 45.0 57.5 20.3 b32778g0306+000 16.0 14.0 5.0 280 40 35.0 50.0 57.5 20.3 b32778g0406+000 20.0 20.0 3.5 108 v r,70 c = 1300 v dc, v op,85 c = 1100 v dc 20 30.0 45.0 57.5 20.3 b32778g1206+000 14.0 13.0 5.5 280 25 35.0 50.0 57.5 20.3 b32778g1256+000 17.0 16.0 4.5 108 27 35.0 50.0 57.5 20.3 b32778g1276+000 17.5 16.0 4.5 108 b32778 mkp dc link high density series page 9 of 21 please read cautions and warnings and important notes at the end of this document.
technical data reference standard: iec 61071. all data given at t = 20 c, unless otherwise specified. operating temperature range (case) max. operating temperature, t op,max upper category temperature t max lower category temperature t min +105 c +85 c ?40 c esr (at 10 khz) ls 27.5 ls 37.5 ls 52.5 < 3.0 esr typ < 2.5 esr typ < 2.0 esr typ insulation resistance r ins given as time constant t = c r r ins , rel. humidity 65% (minimum as-delivered values) 30 000 s dc test voltage between terminals (10 s) 1.5 v r dc test voltage terminal to case (10 s) 2110 v ac, 50 hz maximum peak current (a) damp heat test limit values after damp heat test 56 days/40 c/93% relative humidity capacitance change | d c/c | 5% dissipation factor change d tan d 1.5 10 -3 (at 1 khz) insulation resistance r ins 3 50% of minimum as-delivered values reliability: failure rate l 50 fit ( 1 10 -9 /h) at 0.5 v r , 40 c service life t sl 100 000 h at v r and 70 c for conversion to other operating conditions, refer to chapter "quality, 2 reliability". v r (v dc) 450 575 800 900 1100 1300 450 575 800 900 1100 1300 450 500 700 800 920 1100 continuous operation voltage v op (v dc) at 70 c continuous operation voltage v op (v dc) at 85 c for temperatures between 70 c and 85 c 1%/ c of derating respect v op at 70 c (no derating at 450 v dc series) b32774 ... b32778 mkp dc link high density series page 10 of 21 please read cautions and warnings and important notes at the end of this document.
pulse handling capability "dv/dt" represents the maximum permissible voltage change per unit of time for non-sinusoidal voltages, expressed in v/ m s. note: the values of dv/dt provided below must not be exceeded in order to avoid damaging the capacitor. dv/dt values lead spacing 27.5 mm 37.5 mm type b32774 b32776 v r (v dc) 450 800 1100 1300 450 575 800 900 1100 1300 dv/dt in v/s 30 40 75 100 21 22 22 32 54 73 lead spacing 52.5 mm type b32778 v r (v dc) 450 575 800 900 1100 1300 dv/dt in v/s 14 15 15 25 35 50 b32774 ... b32778 mkp dc link high density series page 11 of 21 please read cautions and warnings and important notes at the end of this document.
esl values esl 2-pin b32774d 25 nh b32776e 10 nh 4-pin b32776g 15 nh b32778g 15 nh typical waveforms restrictions: v r : maximum operating peak voltage of either polarity but of a non-reversing waveform, for which the capacitor has been designed for continuous operation. ac 0.2 v r v p,max : maximum permissible recurrent voltage that may appear for 2% of the period. b32774 ... b32778 mkp dc link high density series page 12 of 21 please read cautions and warnings and important notes at the end of this document.
mounting guidelines 1 soldering 1.1 solderability of leads the solderability of terminal leads is tested to iec 60068-2-20, test ta, method 1. before a solderability test is carried out, terminals are subjected to accelerated ageing (to iec 60068-2-2, test ba: 4 h exposure to dry heat at 155 c). since the ageing temperature is far higher than the upper category temperature of the capacitors, the terminal wires should be cut off from the capacitor before the ageing procedure to prevent the solderability being impaired by the products of any capacitor decomposition that might occur. solder bath temperature 235 5 c soldering time 2.0 0.5 s immersion depth 2.0 +0/ 0.5 mm from capacitor body or seating plane evaluation criteria: visual inspection wetting of wire surface by new solder 3 90%, free-flowing solder 1.2 resistance to soldering heat resistance to soldering heat is tested to iec 60068-2-20, test tb, method 1a. conditions: series solder bath temperature soldering time mkt boxed (except 2.5 6.5 7.2 mm) coated uncoated (lead spacing > 10 mm) 260 5 c 10 1 s mfp mkp (lead spacing > 7.5 mm) mkt boxed (case 2.5 6.5 7.2 mm) 5 1 s mkp mkt (lead spacing 7.5 mm) uncoated (lead spacing 10 mm) insulated (b32559) < 4 s recommended soldering profile for mkt uncoated (lead spacing 10 mm) and insulated (b32559) b32774 ... b32778 mkp dc link high density series page 13 of 21 please read cautions and warnings and important notes at the end of this document.
immersion depth 2.0 +0/ 0.5 mm from capacitor body or seating plane shield heat-absorbing board, (1.5 0.5) mm thick, between capacitor body and liquid solder evaluation criteria: visual inspection no visible damage d c/c 0 2% for mkt/mkp/mfp 5% for emi suppression capacitors tan d as specified in sectional specification b32774 ... b32778 mkp dc link high density series page 14 of 21 please read cautions and warnings and important notes at the end of this document.
1.3 general notes on soldering permissible heat exposure loads on film capacitors are primarily characterized by the upper cate- gory temperature t max . long exposure to temperatures above this type-related temperature limit can lead to changes in the plastic dielectric and thus change irreversibly a capacitor's electrical characteristics. for short exposures (as in practical soldering processes) the heat load (and thus the possible effects on a capacitor) will also depend on other factors like: pre-heating temperature and time forced cooling immediately after soldering terminal characteristics: diameter, length, thermal resistance, special configurations (e.g. crimping) height of capacitor above solder bath shadowing by neighboring components additional heating due to heat dissipation by neighboring components use of solder-resist coatings the overheating associated with some of these factors can usually be reduced by suitable coun- termeasures. for example, if a pre-heating step cannot be avoided, an additional or reinforced cooling process may possibly have to be included. epcos recommends the following conditions: pre-heating with a maximum temperature of 110 c temperature inside the capacitor should not exceed the following limits: mkp/mfp 110 c mkt 160 c when smd components are used together with leaded ones, the leaded film capacitors should not pass into the smd adhesive curing oven. the leaded components should be assembled af- ter the smd curing step. leaded film capacitors are not suitable for reflow soldering. uncoated capacitors for uncoated mkt capacitors with lead spacings 10 mm (b32560/b32561) the following mea- sures are recommended: pre-heating to not more than 110 c in the preheater phase rapid cooling after soldering b32774 ... b32778 mkp dc link high density series page 15 of 21 please read cautions and warnings and important notes at the end of this document.
cautions and warnings do not exceed the upper category temperature (uct). do not apply any mechanical stress to the capacitor terminals. avoid any compressive, tensile or flexural stress. do not move the capacitor after it has been soldered to the pc board. do not pick up the pc board by the soldered capacitor. do not place the capacitor on a pc board whose pth hole spacing differs from the specified lead spacing. do not exceed the specified time or temperature limits during soldering. avoid external energy inputs, such as fire or electricity. avoid overload of the capacitors. the table below summarizes the safety instructions that must always be observed. a detailed de- scription can be found in the relevant sections of the chapters "general technical information" and "mounting guidelines". topic safety information reference chapter "general technical information" storage conditions make sure that capacitors are stored within the specified range of time, temperature and humidity conditions. 4.5 "storage conditions" flammability avoid external energy, such as fire or electricity (passive flammability), avoid overload of the capacitors (active flammability) and consider the flammability of materials. 5.3 "flammability" resistance to vibration do not exceed the tested ability to withstand vibration. the capacitors are tested to iec 60068-2-6. epcos offers film capacitors specially designed for operation under more severe vibration regimes such as those found in automotive applications. consult our catalog "film capacitors for automotive electronics". 5.2 "resistance to vibration" b32774 ... b32778 mkp dc link high density series page 16 of 21 please read cautions and warnings and important notes at the end of this document.
topic safety information reference chapter "mounting guidelines" soldering do not exceed the specified time or temperature limits during soldering. 1 "soldering" cleaning use only suitable solvents for cleaning capacitors. 2 "cleaning" embedding of capacitors in finished assemblies when embedding finished circuit assemblies in plastic resins, chemical and thermal influences must be taken into account. caution: consult us first, if you also wish to embed other uncoated component types! 3 "embedding of capacitors in finished assemblies" b32774 ... b32778 mkp dc link high density series page 17 of 21 please read cautions and warnings and important notes at the end of this document.
symbols and terms symbol english german a heat transfer coefficient w?rmebergangszahl a c temperature coefficient of capacitance temperaturkoeffizient der kapazit?t a capacitor surface area kondensatoroberfl?che b c humidity coefficient of capacitance feuchtekoeffizient der kapazit?t c capacitance kapazit?t c r rated capacitance nennkapazit?t d c absolute capacitance change absolute kapazit?ts?nderung d c/c relative capacitance change (relative deviation of actual value) relative kapazit?ts?nderung (relative abweichung vom ist-wert) d c/c r capacitance tolerance (relative deviation from rated capacitance) kapazit?tstoleranz (relative abweichung vom nennwert) dt time differential differentielle zeit d t time interval zeitintervall d t absolute temperature change (self-heating) absolute temperatur?nderung (selbsterw?rmung) d tan d absolute change of dissipation factor absolute ?nderung des verlustfaktors d v absolute voltage change absolute spannungs?nderung dv/dt time differential of voltage function (rate of voltage rise) differentielle spannungs?nderung (spannungsflankensteilheit) d v/ d t voltage change per time interval spannungs?nderung pro zeitintervall e activation energy for diffusion aktivierungsenergie zur diffusion esl self-inductance eigeninduktivit?t esr equivalent series resistance ersatz-serienwiderstand f frequency frequenz f 1 frequency limit for reducing permissible ac voltage due to thermal limits grenzfrequenz fr thermisch bedingte reduzierung der zul?ssigen wechselspannung f 2 frequency limit for reducing permissible ac voltage due to current limit grenzfrequenz fr strombedingte reduzierung der zul?ssigen wechselspannung f r resonant frequency resonanzfrequenz f d thermal acceleration factor for diffusion therm. beschleunigungsfaktor zur diffusion f t derating factor deratingfaktor i current (peak) stromspitze i c category current (max. continuous current) kategoriestrom (max. dauerstrom) b32774 ... b32778 mkp dc link high density series page 18 of 21 please read cautions and warnings and important notes at the end of this document.
symbol english german i rms (sinusoidal) alternating current, root-mean-square value (sinusf?rmiger) wechselstrom i z capacitance drift inkonstanz der kapazit?t k 0 pulse characteristic impulskennwert l s series inductance serieninduktivit?t l failure rate ausfallrate l 0 constant failure rate during useful service life konstante ausfallrate in der nutzungsphase l test failure rate, determined by tests experimentell ermittelte ausfallrate p diss dissipated power abgegebene verlustleistung p gen generated power erzeugte verlustleistung q heat energy w?rmeenergie r density of water vapor in air dichte von wasserdampf in luft r universal molar constant for gases allg. molarkonstante fr gas r ohmic resistance of discharge circuit ohmscher widerstand des entladekreises r i internal resistance innenwiderstand r ins insulation resistance isolationswiderstand r p parallel resistance parallelwiderstand r s series resistance serienwiderstand s severity (humidity test) sch?rfegrad (feuchtetest) t time zeit t temperature temperatur t time constant zeitkonstante tan d dissipation factor verlustfaktor tan d d dielectric component of dissipation factor dielektrischer anteil des verlustfaktors tan d p parallel component of dissipation factor parallelanteil des verlfustfaktors tan d s series component of dissipation factor serienanteil des verlustfaktors t a ambient temperature umgebungstemperatur t max upper category temperature obere kategorietemperatur t min lower category temperature untere kategorietemperatur t ol operating life at operating temperature and voltage betriebszeit bei betriebstemperatur und -spannung t op operating temperature beriebstemperatur t r rated temperature nenntemperatur t ref reference temperature referenztemperatur t sl reference service life referenz-lebensdauer v ac ac voltage wechselspannung b32774 ... b32778 mkp dc link high density series page 19 of 21 please read cautions and warnings and important notes at the end of this document.
symbol english german v c category voltage kategoriespannung v c,rms category ac voltage (sinusf?rmige) kategorie-wechselspannung v cd corona-discharge onset voltage teilentlade-einsatzspannung v ch charging voltage ladespannung v dc dc voltage gleichspannung v fb fly-back capacitor voltage spannung (flyback) v i input voltage eingangsspannung v o output voltage ausgangssspannung v op operating voltage betriebsspannung v p peak pulse voltage impuls-spitzenspannung v pp peak-to-peak voltage impedance spannungshub v r rated voltage nennspannung r amplitude of rated ac voltage amplitude der nenn-wechselspannung v rms (sinusoidal) alternating voltage, root-mean-square value (sinusf?rmige) wechselspannung v sc s-correction voltage spannung bei anwendung "s-correction" v sn snubber capacitor voltage spannung bei anwendung "beschaltung" z impedance scheinwiderstand lead spacing rasterma? b32774 ... b32778 mkp dc link high density series page 20 of 21 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, ceralink, csmp, cssp, ctvs, deltacap, digisimic, dssp, filtercap, formfit, miniblue, minicell, mkd, mkk, mlsc, motorcap, pcc, phasecap, phasecube, phasemod, phicap, siferrit, sifi, sikorel, silvercap, simdad, simic, simid, sineformer, siov, sip5d, sip5k, thermofuse, windcap are trademarks 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 21 of 21

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