军用电源转向碳化硅半导体对电容器的选择有何影响?
为了保护人员及关键设备安全,军用级电子设备必须能够在极其恶劣的环境下可靠运行。因此,电子设备设计人员近年来不再继续使用传统的硅半导体,而是开始转向碳化硅(SiC)等宽禁带(WBG)材料来开发军用设备电源所需的半导体。一般来说,宽禁带(WBG)材料的工作电压更高,热特性更好,开关频率更高。因此,与硅相比,基于碳化硅的半导体具有更卓越的性能——包括更高的功率效率、更高的开关频率和更高的耐温性,如图 1 所示。
随着这一转变,电容器等其他板级元件也必须随之改变。例如,随着系统以更高的频率运行,所需的容值也随之减少,因此在许多情况下,薄膜电容可以被陶瓷电容所取代。
图 1. 传统硅半导体材料与碳化硅(SiC)和氮化镓(GaN)等宽禁带(WBG)材料的比较。
一、为何需要在碳化硅(SiC) 半导体中使用陶瓷电容器?
一般来说,陶瓷电容器体积小、重量轻,因此对于对空间和重量都非常看重的军事应用来说可谓理想之选。特别是在使用碳化硅(SiC)半导体时,由于开关速度极快,因此会产生高频噪声和电压尖峰,因此需要使用陶瓷电容器来加以滤除。陶瓷电容器具有高自谐振频率、低等效串联电阻 (ESR) 和高热稳定性等特点使之成为了高频电源应用的首选。
二、楼氏电容(KPD):您的军用级陶瓷电容器专家
作为特种陶瓷电容器制造商,楼氏电容提供各种高性能、高可靠性的电容器,非常适合军事应用1。从根本上说,楼氏电容按照 MIL-STD-8832规范制造所有标准无源元件及定制无源元件,该标准为测试适用于军事和航空电子系统的微电子器件制定了统一的方法、管控及流程。楼氏电容还拥有国际公认的按照 IECQ-CECC QC321003要求测试表贴式陶瓷电容器的资格,以及其他各种质量证书和认证4。
楼氏电容(KPD)设计、制造的高可靠性电容器满足并超越以上质量标准——确保元件在较高的电压和温度水平下烧结,并进行 100% 的电气检测,以符合严格的性能标准。楼氏电容提供的高可靠性元件测试符合各种军用标准,含:
MIL-PRF-123
MIL-PRF-55681
MIL-PRF-39014
MIL-PRF-49467
MIL-PRF-49470
MIL-PRF-38534
楼氏电容还提供一系列符合AEC-Q2005标准的电容器,并可在需要时直接与客户合作开发定制或Build-to-Print6(来图定制)的电容器解决方案。
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本文由飞猫警长转载自Knowles楼氏电容公众号,原文标题为:楼氏电容|军用电源转向碳化硅半导体对电容器的选择有何影响?,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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Exxelia 铝电解电容器选型指南
描述- Exxelia is a leading designer and manufacturer of high reliability passive components and precision subsystems focusing on highly demanding markets, applications and functions.Exxelia is valued for its ability to meet complex specifications and develop standard and custom products complying with the most demanding qualifications (MIL, ESA).
型号- PRORELSIC 105 TFRS CO 48,A 704082,A 704081,A 704080,A 716066,A 716064,PRORELSIC,A 716068,A 716061,A 716060,A 704087,A 704086,A 691915,A 691914,A 691913,A 716072,A 716071,A 745400,A 745404,A 745403,A 745402,A 745401,PROMISIC TFRS,FELSIC 105 BD,FELSIC 105 BC,A 691907,FELSIC 036 CO 36,A 691901,A 691905,A 716027,A 716021,A 716020,A 716025,A 716024,A 704049,A 704048,FELSIC 85 BC - FELSIC 03,A 704041,A 704040,A 704047,A 704045,A 704044,A 704050,A 716032,A 716031,A 716049,A 704061,CUBISIC,A 704060,A 716044,A 716041,A 716045,A 716046,A 716040,A 704064,A 704063,A 704062,A 704068,A 704067,A 704066,A 716052,A 716050,A 716051,A780290,PRORELSIC 105 TFRS CO 48 2,A780294,A780293,A780292,A780291,A 714281,A 714284,A 714283,A 714285,FELSIC 105 LP,FELSIC HC BC - BD,A 714280,A780287,A780286,A780285,A780284,A780289,A780288,A780283,A780282,A780281,A780280,A 714293,A 714295,A 714297,A 714296,A 714299,A 714298,A 714290,A780276,A780275,A780274,A780273,A780279,A780278,A780277,A780272,A780271,A780270,A 747191,SICAL C0 42,A 704028,A 704026,A780265,A 704020,A780264,A780263,A780262,A780269,A780268,A 704023,A780267,A 704022,A780266,A780261,A780260,A780259,A780254,A780253,A780252,A780251,A780258,A780257,A780256,A780255,A 747170,A 714242,A 714241,PRORELSIC 125 CO 52,A 703591,A 703590,A 714258,A 747180,A 747181,A 714250,A 714252,A 714255,A 747186,A 747187,A 747182,A 747183,A 747184,A 747185,A 714260,A 714262,A 714261,A 747150,A 714278,A 714272,A 714275,A 714277,A 714276,A 747164,A 747165,A 747166,A 747167,A 747160,A 747161,A 747162,A 747163,A780298,A780297,A780296,A780295,A780299,A 747252,A780207,A 747253,A780206,A780205,A 747255,A780204,A 747250,A780209,A 747251,A780208,A 714319,A 747256,A780203,A780202,A780201,A780200,A 701024,A 701023,A 701026,A 701025,A 701028,A 701027,A 701029,A 701020,A 701022,A 701021,A 756180,A 747230,A 701035,A 701034,A 701031,A 701030,A 701033,A 701032,A 713020,A 713021,A 713022,A776159,A 713023,A 701046,A 747242,A 701045,A 747243,A 701048,A 747244,A776166,A 701047,A776165,A776164,A 701049,A776163,A 747240,A776162,A 747249,A776161,A776160,RELSIC TFRS,A 701040,A 747245,A 701042,A 747246,A 701041,A 747247,A 701044,A 747248,A 701043,A 756160,A 756164,A780250,A 756162,A 756168,A 756166,A 744182,A 744181,A 744180,A780249,A780248,A 744186,A 744185,A 744184,A 744183,A780243,A 744189,A780242,A 744188,A780241,A 744187,A780240,A780247,A780246,A780245,A780244,A 756172,A 756170,A 756175,A 756176,A 756174,A 756179,A 756178,A 747220,A780239,A 744191,A 747221,A780238,A 744190,A 747222,A780237,A 747227,A780232,A780231,A 747229,A780230,A 747223,A780236,A 747224,A780235,A 747225,A780234,A 747226,A780233,A 714301,A 714303,A 744160,A780229,A780228,A780227,A780226,A 744164,A 744163,A 744162,A 744161,A 744168,A780221,A 744167,A780220,A 744166,A 744165,A780225,A780224,A780223,A780222,A 714313,A 714315,A 714317,A780218,A 744170,A780217,A780216,A 747200,A780215,A780219,A 747205,A780210,A 747206,A 747207,A780214,A 747202,A780213,A 747203,A780212,A 747204,A780211,A 756120,A 756121,A776109,A 756123,A776108,A 756128,A776107,A776106,A 756126,A776105,A776104,A776114,A 765080,A776113,A776112,A 765082,A776111,A 744142,A776110,A 744141,A 765084,A 744140,A 765085,A 765086,A 744146,A 765087,A 744145,A 765088,A 744144,A 744143,A 744148,A 744147,A 756132,A 756130,A 756135,A 756134,A 756137,A 756138,A776103,A776102,A 765070,A776101,A776100,A 744150,FELSIC UPS,A 765060,A 744120,A 765062,A 765064,A 744124,A 765065,A 744123,A 765066,A 744122,A 744121,A 765068,A 765069,A 744127,A 744126,A 744125,A 765050,A 744130,A 765051,FELSIC 85 - CO 53,FELSIC 85 - CO 54,A 757411,A 757413,A776149,A776148,A 757408,A776158,A 757409,A776157,A 757406,A776156,A 757407,A776155,A776154,A 765040,A776153,A 765041,A776152,A 765042,A776151,A 744102,A 765043,A776150,A 744101,A 765044,A 744100,A 765045,A 765046,A 744106,A 765047,A 744105,A 765048,A 744104,A 765049,A 744103,A 744109,A 744107,A776139,A776138,A776137,A776147,A776146,A776145,A776144,A776143,A776142,A776141,A776140,A 744113,A 744112,A 744110,A 745408,A 745407,A 745406,CMF FP - CMF,A 745405,A 745409,A776129,A776128,A776127,A776126,A776136,A776135,A776134,A776133,A776132,A776131,A776130,A 765020,A 745411,A 765021,A 765022,A 765023,SNAPSIC,A 765024,A 765025,A 765026,A 765027,A 765028,SNAPSIC 105 4P,A 757400,A 757401,A776119,A 757404,A776118,A 757405,A776117,A 757402,A776116,A 757403,A776115,A776125,A776124,A776123,A776122,A776121,A776120,CMF FRS 12.3,FELSIC 85 M - CO 53,FELSIC 85 M - CO 54,FELSIC 105 77 X 220,A 763127,A 763126,VACSIC,A 763107,A 763106,A 763105,A 763104,A 763125,A 763124,A 763123,A 763122,A 763121,A 763120,PROMISIC 125 CO 16,A780173,A780172,A780171,A780170,A 747091,A 714160,A 747092,A 714163,A 705216,A 705215,A 705214,A780166,A780165,A780164,A780163,A 705213,A 705212,A780169,A 705211,A780168,A 705210,A780167,A 763103,A 763102,A 763101,A 763100,A780162,A780161,A780160,A 714173,A 714175,A 705228,A 705227,A 705226,A 705225,A 714170,A 705229,A 705220,A780155,A780154,A780153,A780152,A 705224,A780159,A 705223,A780
ELECTROLYTIC ALUMINUM CAPACITORS
型号- A 704082,A 704081,A 704080,A 716066,A 716064,A 716068,A 716061,A 716060,A 704087,A 704086,A 716072,A 716071,A 745400,A 745404,A 745403,A 745402,A 745401,PROMISIC TFRS,FELSIC 105 BD,FELSIC 105 BC,FELSIC 036 CO 36,A 716027,A 716021,A 716020,A 716025,A 716024,A 704049,A 704048,A 704042,A 704041,A 704040,A 704047,A 704045,A 704044,A 704050,A 716032,A 716031,A 716049,A 704061,A 704060,CUBISIC,A 716044,A 716041,A 716045,A 716046,A 716040,A 704064,A 704063,A 704062,A 704068,A 704067,A 704066,A 716052,A 716050,A 716051,CMF FP,A780290,A780294,A780293,A780292,A780291,A 714281,A 714284,A 714283,A 714285,FELSIC 105 LP,A 714280,A780287,A780286,A780285,A780284,A780289,A780288,A780283,A780282,A780281,A780280,A 714293,A 714295,A 714297,A 714296,A 714299,A 714298,A 714290,A780276,A780275,A780274,A780273,A780279,A780278,A780277,A780272,A780271,A780270,A 747191,A 704028,A 704026,A780265,A 704020,A780264,A780263,A780262,A780269,A780268,A 704023,A780267,A 704022,A780266,A780261,A780260,A780259,A780254,A780253,A780252,A780251,A780258,A780257,A780256,A780255,A 747170,A 714242,A 714241,PRORELSIC 125 CO 52,A 703591,A 703590,A 714258,A 747180,A 714250,A 747181,A 714252,A 714255,A 747186,A 747187,A 747182,A 747183,A 747184,A 747185,A 714260,A 714262,A 714261,A 747150,A 714278,A 714272,A 714275,A 714277,A 714276,A 747164,A 747165,A 747166,A 747167,A 747160,A 747161,A 747162,A 747163,A780298,A780297,A780296,A780295,A780299,A780207,A 747252,A780206,A 747253,A780205,A780204,A 747255,A780209,A 747250,A780208,A 747251,A 714319,A780203,A 747256,A780202,A780201,A780200,A 701024,A 701023,A 701026,A 701025,A 701028,A 701027,A 701029,A 701020,A 701022,A 701021,A 756180,A 701035,A 747230,A 701034,A 701031,A 701030,A 701033,A 701032,A 713020,A 713021,A 713022,A776159,A 713023,A 701046,A 701045,A 747242,A 701048,A 747243,A 701047,A776166,A 747244,A776165,A 701049,A776164,A776163,A776162,A 747240,A776161,A 747249,A776160,A 701040,RELSIC TFRS,A 701042,A 747245,A 701041,A 747246,A 701044,A 747247,A 701043,A 747248,A 756160,A780250,A 756164,A 756162,A 756168,A 756166,A 744182,A 744181,A780249,A 744180,A780248,A 744186,A 744185,A 744184,A 744183,A780243,A780242,A 744189,A780241,A 744188,A780240,A 744187,A780247,A780246,A780245,A780244,A 756172,A 756170,A 756175,A 756176,A 756174,A 756179,A 756178,A780239,A 747220,A780238,A 747221,A 744191,A780237,A 747222,A 744190,A780232,A 747227,A780231,A780230,A 747229,A780236,A 747223,A780235,A 747224,A780234,A 747225,A780233,A 747226,A 714301,A 714303,A780229,A 744160,A780228,A780227,A780226,FELSIC IND BC 93.6,A 744164,A 744163,A 744162,A 744161,A780221,A 744168,A780220,A 744167,A 744166,A 744165,A780225,A780224,A780223,A780222,A 714313,A 714315,A 714317,A780218,A780217,A 744170,A780216,A780215,A 747200,A780219,A780210,A 747205,A 747206,A 747207,A780214,A780213,A 747202,A780212,A 747203,A780211,A 747204,A 756120,A 756121,A776109,A776108,A 756123,A776107,A 756128,A776106,A776105,A 756126,A776104,A776114,A776113,A 765080,A776112,A776111,A 765082,A776110,A 744142,A 765084,A 744141,A 765085,A 744140,A 765086,A 765087,A 744146,A 765088,A 744145,A 744144,A 744143,A 744148,A 744147,A 756132,A 756130,A 756135,A 756134,A 756137,A 756138,A776103,A776102,A776101,A 765070,A776100,A 744150,FELSIC UPS,A 765060,A 744120,A 765062,A 765064,A 765065,A 744124,A 765066,A 744123,A 744122,A 765068,A 744121,A 765069,A 744127,A 744126,A 744125,A 765050,A 765051,A 744130,FELSIC 85 - CO 53,FELSIC 85 - CO 54,A 757411,A776149,A 757413,A776148,A776158,A 757408,A776157,A 757409,A776156,A 757406,A776155,A 757407,A776154,A776153,A 765040,A776152,A 765041,A776151,A 765042,A776150,A 765043,A 744102,A 765044,A 744101,A 765045,A 744100,A 765046,A 765047,A 744106,A 765048,A 744105,A 765049,A 744104,A 744103,A 744109,A 744107,A776139,A776138,A776137,A776147,A776146,A776145,A776144,A776143,A776142,A776141,A776140,A 744113,FELSIC 105 CO 45 BD,A 744112,FELSIC 105 CO 45 BC,A 744110,A 745408,A 745407,A 745406,A 745405,A 745409,A776129,A776128,A776127,A776126,A776136,A776135,A776134,A776133,A776132,A776131,A776130,A 765020,A 765021,A 745411,A 765022,A 765023,A 765024,SNAPSIC,A 765025,A 765026,A 765027,A 765028,A 757400,SNAPSIC 105 4P,A 757401,A776119,A776118,A 757404,A776117,A 757405,A776116,A 757402,A776115,A 757403,A776125,A776124,A776123,A776122,A776121,A776120,CMF FRS 12.3,FELSIC 85 M - CO 53,FELSIC 85 M - CO 54,FELSIC 105 77 X 220,A 763127,A 763126,FELSIC 85 500 V,A 763107,A 763106,A 763105,A 763104,A 763125,A 763124,A 763123,A 763122,A 763121,A 763120,PROMISIC 125 CO 16,A780173,A780172,A780171,A780170,A 714160,A 747091,A 714163,A 747092,A 705216,A 705215,A 705214,A780166,A780165,A780164,A780163,A 705213,A 705212,A780169,A 705211,A780168,A 705210,A780167,A 763103,A 763102,A 763101,A 763100,A780162,A780161,A780160,A 714173,A 714175,A 705228,A 705227,A 705226,A 705225,A 714170,A 705229,A 705220,A780155,A780154,A780153,A780152,A 705224,A780159,A 705223,A780158,A780157,A 705221,A780156,A780151,A780150,A 714185,A 747070,A780149,A 714181,A 714180,A780144,A 7
【应用】-55℃~125℃!Exxelia为航空航天和工业控制提供多款钽电容器解决方案
对于航空航天、工业以及军事等领域,本文推荐采用Exxelia公司提供的钽电容器解决方案: AP41钽电容器,电容值最高可达40000µF(提供330µF~40000µF范围内的产品阵容),可在-55℃~+125℃的温度范围内正常工作,环境适应性强,使用寿命长,公差范围±10%~±20%,电压范围宽至10V~150V。
应用方案 发布时间 : 2019-02-24
电动汽车电池管理系统的演变:从被动电池均衡到主动电池均衡
在楼氏电容,我们对电池化学的发展趋势很感兴趣,因为这些趋势激发了电池管理系统 (BMS) 的进步。BMS负责通过管理温度、执行充电状态 (SoC) 评估和进行电池均衡来监控电池组性能。虽然被动电池均衡曾经是更常见的技术,但随着BMS的进步,一些电动汽车制造商正在转向主动电池均衡。这一变化影响到各级组件的选择,包括电容器的选择。采用主动电池均衡技术的BMS需要专门设计的高质量电容器。
应用方案 发布时间 : 2024-07-24
楼氏电容X2Y技术助力X2Y陶瓷电容器颗替代四个传统的MLCC,可大大缩减BOM及尺寸、重量和成本
X2Y技术是一项创新的、具有前瞻性的陶瓷电容器技术。楼氏电容(KPD)不仅是为数不多使用该技术开发元件的制造商之一,并且也有专业的工程师团队来提供专业的X2Y应用支持,帮助您进一步缩小设计的尺寸、重量和成本。
原厂动态 发布时间 : 2023-04-13
电子商城
品牌:KNOWLES
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品类:Multilayer Ceramic Chip Capacitor
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品牌:KNOWLES
品类:Multilayer Ceramic Chip Capacitor
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品牌:KNOWLES
品类:Multilayer Ceramic Chip Capacitor
价格:¥4.9189
现货: 250
现货市场
服务
整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
提交需求>
可定制电线特性阻抗50-80Ω,静电容量54-110pF/m,减衰量0.5-0.7db/m以下,芯对数和截面积、尺寸长度;支持B超电线、内窥镜电线、血液分析仪电线、医疗USB电线、病床设备电线定制。
最小起订量: 1000m 提交需求>
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