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1、钽电容的识别方法（Identificationoftantalumcapacitance）Thenameoftantalumcapacitance,laminatedelectrolyticcapacitancepressure,encapsulation.1.Nameoftantalumcapacitor1)thenameofeachcapacitorisverydifferent.Thenameofthedomesticcapacitorismadeupoffourparts:Thefirstpart:thenameistheletter,thecap
2、acitorisC.Thesecondpart:thematerialisrepresentedbyletters.Part3:classificationbyNumbers.Thefourthpart:thenumberindicatestheserialnumber.2)thecapacitancemethod:(1)directstandard:uselettersandNumberstolabelthemodelsandspecificationsdirectlyontheshell.(2)literalsymbolmethod:toreprese
3、ntthecapacitywitharegularcombinationofNumbersandliteralsymbols.Thetextsymbolindicatestheunitofpowercapacity:P,N,u,m,F,etc.It'sthesamethingastheresistance.Thenominalallowabledeviationisthesameasthatoftheresistance.Lessthan10pFcapacitance,whichallowsthedeviationtobereplacedbyletters
4、:B-plusorminus0.1pF,C-plusorminus0.2pF,D-minus0.5pF,F-plusorminus1pF.(3)thecolorstandardmethod:theexpressionoftheresistanceisthesame,andtheunitisgenerallypF.Thepressureofsmallelectrolyticcapacitorisalsomarkedwithcolorstandard,andthepositionisclosetotherootofthepositiveleadingline.
5、Themeaningofthisisshowninthetablebelow:ColorblackbrownredorangeyellowgreenandbluevioletgreyPressureresistance4V,6.3V10V,10V,16V,25V,40V,50V,63V(4)theidentificationmethodofimportedcapacitor:theimportcapacitorgenerallyhas6components.Item1:type:Item2:usingtwoNumberstorepresentitsshap
6、e,structure,encapsulationmode,thebeginningoftheleadandtherelationshipwiththeaxis.Thetemperaturecharacteristicsofthetemperaturecompensatingcapacitorareusefulinlettersandincolor,asshowninthetablebelow:Thecolortemperaturecoefficientoftheordinalletterallowsthedeviationofthecolortemper
7、aturecoefficientofthedeviationletter1Agoldplus100Ryellowminus2202Bgrey+30Sgreen-3303Cblack0Tblue-4704Gplusorminus30Upurpleminus7505Hbrown-30+60V-10006Jplusorminus120w-15007Kplusorminus250Xminus22008Lredminus80plusorminus500Yminus3,3009Mplusorminus1,000Zminus4,70010Nplusorminus2500
8、SLplus350~100011Porange-150YN-800
