RST RVT VT XT贴片电解电容器使用注意事项

RST RVT VT XT贴片电解电容器使用注意事项

KNS RST贴片电解电容器

1. 片式铝电解电容器一般使用注意事项
2. ApplicationguidelineforV-CHIPaluminumelectolyticcapacitorsA)电路设计:CircuitDesign
3. 充分考虑电容器使用和安装条件在产品目录的规定范围内.
4. Pleasemakesuretheenvironmentalandmountingconditionstowhichthecapacitorwillbeexposed arewithintheconditionsspecifiedincatalogue.
5. 工作温度和施加的纹波电流应在产品目录的规定范围内.
6. Operatingtemperatureandappliedrippleshallbewithinspecification.
7. 在设计电路时，应选择符合寿命要求的产品.
8. Appropriatecapacitorswhichcomplywiththeliferequirementoftheproductsshouldbeselected whendesigningthecircuit.
9. 铝电解电容器是有极性的，不应加反向电压或交流电压。对可能出现反向电压的电路，应选择双极性电容器。注意：即使双极性电容器，也不能直接用于纯交流电路.
10. Aluminumelectrolyticcapacitorsarepolar.MakesurethatnoreversevoltageorACvoltage isappliedtothecapacitors.Pleaseusebi-polarcapacitorsforacircuitthatcanpossibly seereversedpolarity.
11. Note:Evenbi-polarcapacitorscannotbeusedforACvoltageapplication.
12. 5）对需要快速和频繁充放电的电路，不应使用铝电解电容器而应选择特别设计的具有长寿命的电容器.Donotusealuminumelectrolyticcapacitorsinacircuitthatrequiresrapidandveryfrequent
13. charge/discharge.
14. Inthistypeofcircuit,itisnecessarytouseaspecialdesigncapacitorwithextendedlife characteristics.
15. 6）不应使用过载电压.Donotapplyexcessvoltage.
16. 直流电压与纹波电压叠加后的峰值电压不应超过额定工作电压.
17. Pleasepayattentiontothatthepeakvoltage,whichisDCvoltageoverlappedbyripplecurrent,willnotexceedtheratedvoltage.
18. 若2个以上电容器串联，应确保施加电压低于额定值，而且要并联一个平衡电阻，以使每个电容器所加电压相等.
19. Inthecasewheremorethan2aluminumelectrolyticcapacitorsareusedinseries,please makesurethatappliedvoltagewillbelowerthanratedvoltageandthevoltagewillbeapplied
20. toeachcapacitorequallybyusingabalancingresistorinparallelwiththecapacitor7）电容器不能应用于下述环境条件下：
21. Aluminumelectrolyticcapacitorsshallnotbeusedunderthefollowingenvironmentalconditions:
22. ①(a)电容器被暴露于水（包括浓缩液）、盐水或油中.
23. Capacitorswillbeexposedtowater(includingcondensation),brineoroil.
24. (b)周围环境中有氢化硫、亚硫酸、亚硝酸、氯气、溴气、溴化甲烷、氨气等有毒气体.
25. Ambientconditionsthatincludetoxicgasessuchashydrogensulfide,sulfurousacid,nitrousacid,chlorine,bromine,methylbromide,ammonium,etc.
26. (c)周围环境中有臭氧、紫外线及辐射。
27. Ambientconditionsthatexposethecapacitortoozone,ultravioletrayandradiation.
28. Themainchemicalsolutionoftheelectrolyteandtheseparatorpaperusedinthecapacitors arecombustible.Theelectrolyteisconductive.WhenitcomesincontactwiththePCboard,thereisapossibilityofpatterncorrosionorshortcircuitbetweenthecircuitpattern,whichcouldresultinsmokingorcatchingfire.Donotlocateanycircuitpatternbeneath thecapacitorendseal.
29. 9）设计线路板时应确保发热元器件不靠近铝电解电容器或PC板的另一面，避免其正好在电容器下面.DonotdesignacircuitboardthattheheatgeneratingcomponentsareplacednearthealuminumelectrolyticcapacitororonthereversesideofPCboard,ifthatjustunderthecapacitor.
30. 10）设计线路板时应考虑到电容器的电性能可能随温度和频率的变化而变化.
31. Electricalcharacteristicsmayvarydependingonchangesintemperatureandfrequency.Please considerthisvariationwhenyoudesigncircuits.
32. 11）当2个以上电容器并联时，应考虑到通过这些电容器的电流平衡。
33. Whenyouinstallmorethan2capacitorsinparallel,pleaseconsiderthebalanceofcurrentflowingintothecapacitors.
34. 12）在双面线路板上安装电容器时，电容器的安装位置应避开多余的基板孔和过孔。
35. Whilemountingcapacitorsondouble-sidePCboard,thecapacitorsshouldbeawayfromthose unnecessarybaseplateholesandconnectionholes.
36. B）安装:Mounting
37. 1）一旦电容器经过安装及加载，不要再试图用于其他线路板或其他用途.
38. Onceacapacitorhasbeenassembledinthesetandpowerapplied,donotattempttore-usethe capacitorinothercircuitsorapplication.
39. 2）贮存超过2年的电容器，其漏电流可能增大。若漏电流增大，请使用1KΩ电阻做充电处理.
40. Leakagecurrentofthecapacitorsthathavebeenstoredformorethan2yearsmayincrease.
41. Whenleakagecurrenthasincreased,pleaseperformavoltagetreatmentusinga1kΩresistor.3）在将电容器安装在PC板之前，请确认其规格和极性.
42. PleaseconfirmspecificationsandpolaritybeforeinstallingcapacitorsonthePCboard.4）不要将电容器掉在地上，或不要使用掉在地上的电容器.
43. Donotdropcapacitorsonthefloor,noruseacapacitorthatwasdropped.5）安装时请不要损伤电容器.
44. Donotdeformthecapacitorduringinstallation.
45. 6）请注意贴片机的吸头、产品检测夹具或对中装置对电容器的机械冲击.
46. Pleasepayattentiontothemechanicalshocktothecapacitorbysuctionnozzleoftheautomatic
47. insertionmachineorautomaticmounter,orbyproductchecker,orbycen
48. 7）回流焊:
49. Reflowsoldering
50. 请遵守产品目录中的回流焊条件.
51. Pleasefollow“ReflowSolderingConditions”incatalogue.
52. 当使用红外线加热时，请注意加热程度，因为红外线吸收率会随着电容器颜色和大小的不同而改变.Whenaninfraredheaterisused,pleasepayattentiontotheextentofheatingsincethe absorptionrateofinfraredwillvaryduetodifferenceinthecolorandsizeofthecapacitor.
53. 8）将电容器焊接在PC板后，不要倾斜或扭动电容器.
54. DonottiltlaydownortwistthecapacitorbodyafterthecapacitoraresolderedtothePC board.
55. 9）不要抓住焊接后的电容器搬动PC板.
56. DonotcarrythePCboardbygraspingthesolderedcapacitor.
57. 10)不要让任何物品接触焊接后的电容器,如果PC板堆放储存，请确保PC板或其他零部件不触到电容器.Pleasedonotallowanythingtotouchthecapacitoraftersoldering.IfPCboardsarestored
58. instack,pleasemakesurethePCboardorothercomponentsawayfromthecapacitor.
59. 11）焊接后的电容器不应受到任何已焊接PC板或其他元器件热辐射的影响.
60. ThecapacitorsshallnotbeeffectedbyanyradiatedheatfromthesolderedPCboardorother componentsaftersoldering.
61. 12）清洗：Cleaning
62. ①不能用卤化清洗剂清洗电容器。如必须使用卤化清洗剂，请与我们销售部门联系.
63. Donotcleancapacitorswithhalogenatedcleaningagent.However,ifitisnecessarytoclean withhalogenatedcleaningagent,pleasecontactoursalesoffice.
64. ②推荐清洗方法：Recommendedcleaningmethod
65. 使用范围：任何类型及规格
66. Applicable:Anytype,anyratings
67. 清洗方法：浸泡、超声波或其他方法的总清洗时间应在2分钟内。清洗剂温度应在40℃以下。清洗后，应将电容器与PC板一起用热风吹至少10分钟。热风温度应低于电容器工作温度。水洗后若不充分吹干，可能导致外观不良，如座板发胀等。
68. Cleaningconditions:Totalcleaningtimeshallbewithin2minutesbyimmersion,ultrasonic
69. orothermethods.Temperatureofthecleaningagentsshallbe40℃or below.Aftercleaning,capacitorsshouldbedriedbyusinghotairfor theminimum10minutesalongwiththePCboardmounted.Hotair temperatureshouldbewithinthemaximumoperatingtemperatureofthe capacitor.Insufficientdrynessafterwaterrinsemaycauseappearance problems,suchasbottom-platebulgeandetc.
70. 避免使用破坏臭氧层的清洗剂以保护环境.
71. Avoidusingozonedestructivesubstancesascleaningagentsforprotectingglobal environment.
72. C）安装后
73. IntheEquipment1）不要直接用手接触电容器正负极.
74. Donotdirectlytouchterminalbyhand.2）不要在正负极之间用导体连接，也不要在电容器及其附近溅撒导电液体，如酸碱溶液等.
75. Donotlinkpositiveterminalandnegativeterminalbyconductor,norspillconductible liquidsuchasalkalineoracidicsolutiononornearthecapacitor.
76. 3）在使用环境中应避免溅上水或油，避免阳光直射、紫外线照射、辐射、有毒气体、振动或机械冲击.
77. Pleasemakesurethattheambientconditionswherethesetisinstalledarefreefromspilling wateroroil,directsunlight,ultravioletrays,radiation,poisonousgases,vibrationor mechanicalshock.