电力电子设备中应用安规电容的重要性
上周我们为大家讲解了安规电容的优点及其分类，今天我们将继续深入探讨如何选择合适的安规电容。
选择安规电容 - 陶瓷还是薄膜?
多层陶瓷1电容(MLCC)和塑料薄膜电容是安规电容的两种常见类型。根据具体应用的不同，这两种类型各有优势。在具体挑选时需要考虑以下一些特性：
温度范围
尺寸限制
额定电压
电容值
认证标准(如线对线应用的X级和线对地应用的Y级)
薄膜电容
薄膜电容通常能做到更高的电容值。它还具备自愈功能，能从介电击穿中恢复且电容值仅有很小的损失。不过，相对容值而言，其体积也较大。
与薄膜电容相比，在一定容值范围内，针对同等容值，多层陶瓷电容能做到更小的体积。它们通常更适合低功耗应用。例如，MLCC 非常适合天线耦合等空间敏感型应用。它们还具有特殊的端头，以适应汽车电子应用，如车载充电器、逆变器、DC/DC 转换器和电动汽车中的其他设备。
MLCC在高温、高压和高频率应用中的性能表现良好。此外，楼氏电容(KPD)2制造的 MLCC3 还提供 FlexiCap™ 柔性端头选项。FlexiCap™ 是楼氏电容(KPD)专有的柔性环氧聚合物端头材料，应用在元件的镍保护层上，可提供相比传统电容更大的电路板弯曲度，从而降低机械开裂的风险。
楼氏电容(KPD)为您提供应用所需的安规电容
如果您需要安规电容应用相关的专业意见，楼氏电容(KPD)是您的理想之选。我们最新推出的加强版AEC-Q200系列安规电容符合国际 UL/cUL 和 IEC/EN 规范，可以表贴式MLCC替代应用中所需的薄膜电容。
我们的安规认证MLCC系列的优势包括：
Y2级可耐压250Vac
X1和X2级可耐压305Vac
全系列均具有安全认证的直流电压等级(为业内独有)
全系列均通过湿度稳健性IIIB级认证(为业内独有)
此外，凭借多年的高压电容专业制造技术，针对给定封装，我们能做到行业内的最高容值。
关于我们
楼氏电容事业部(KNOWLES Precision Devices)是楼氏集团旗下专业制造各类陶瓷电容器及微波元器件的业务单元，其产品广泛应用于航空航天、医疗、电动汽车、高端工业和通信5G市场。楼氏电容研发并制造了满足高可靠性、高耐温、高电压及高频率需求的电容类产品以应对不同的市场需求。
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本文由拾一转载自Knowles（楼氏电子） 微信公众号，原文标题为:楼氏洞察｜电力电子设备中应用安规电容的重要性（下），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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美国Knowles（楼氏电子）授权世强代理，提供车规/安规/高压/高温/高Q电容
美国Knowles（楼氏电子）签约世强，授权世强代理旗下电容器事业部全线产品，楼氏成为世强代理的第500家品牌。楼氏成立于1946年，是微声麦克风和扬声器、音频处理和精密设备解决方案的顶尖供应商，旗下楼氏电容器事业部由四家跨国电容器制造厂商合并重组成立，电容器制造历史合计逾180年。
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目录- 工业级P/B系列 工业级中高压系列 通用型系列 通用中高压系列 低损耗系列 大功率低损耗系列 车载系列 车载低损耗系列
型号- P0805C0G9R1D251N#E,B0105X5R331K6R3N#Z,B0105X7R560K160N#Z,P0805C0G620G251N#E,B0201C0G3R0A250N#A,B0201X7R181M500N#A,P0805X8G1R2A501N#E,B0402C0G221K500N#B,P0805X8G4R7A251N#E,B0603C0G182G250N#D,B0805X5R153M101N#H,B0105C0G151J250N#Z,B0201X7R271J160N#A,B0805X5R223K101N#Y,B0402X7R102M250N#B,P0201C0G4R0B201N#A,B0402X7R121M500N#B,P0805C0G5R1B251N#E,P0805C0G150G251N#E,P0201X8G5R6B201N#A,B1206X5R822M101N#O,B0805X5R153M101N#Y,P0603X8G120J251N#U,P0201C0G2R0A201N#A,B0402C0GR68B250N#B,B0402C0G8R0A500N#B,P0603C0G8R2D251N#U,P0201X8G3R6A201N#A,B0805X5R103J631N#H,B0105C0G0R9B160N#Z,B0201X7R102M160N#A,B0805X5R472M631N#H,P0603C0G6R2C251N#U,B0402C0G4R7A250N#B,B0402X5R102K101N#B,B0603X5R106K100N#K,B0603C0G122G160N#D,B0201X5R183J100N#A,B0201C0G7R0C250N#A,P0603C0G2R2A251N#U,B0201X7R471K160N#A,P0805X8G3R0A251N#E,P0402C0G330F201N#B,P0805X8G5R0B251N#E,B0603X5R152J101N#D,B0603X5R561J201N#D,B0201C0G5R0B250N#A,B1206X5R222J101N#O,B0402C0G2R0C500N#B,B0105C0G8R0C160N#Z,B0105X5R331M100N#Z,P0805X8G7R0C251N#E,B0201X7R562J250N#A,B0402X5R474M250N#B,P0805C0G6R8B251N#E,B0603X5R822K101N#D,B0105X5R391M100N#Z,B0201X7R221K250N#A,B0105X5R272J100N#Z,B0105X5R472K100N#Z,B0105C0G0R4A250N#Z,B0105X7R121J160N#Z,B0402X5R474M250N#N,B0105C0G2R4B250N#Z,B0105X5R103M100N#Z,B0402X5R563K500N#C,B0805X5R223K101N#H,P0402C0G2R0A201N#B,B0105C0G200G160N#Z,B0402X5R334K100N#N,P0402C0G4R0B201N#B,B0402X7R181M500N#B,B0805X5R392M101N#Y,B0402C0G1R5A250N#B,B0402X5R334K100N#B,P0402C0G0R5A201N#B,B0805X5R431J501N#Y,P0603C0G3R0C251N#U,B0105C0G0R9B250N#Z,B0201X7R121M500N#A,P0402X8G0R4A201N#B,B0105C0G4R0A160N#Z,B0402C0G1R2A500N#B,B0201X7R102M250N#A,B0402X5R271M101N#B,B0603X5R511K201N#D,B0402C0G100G250N#B,P0603C0G1R0B251N#U,B1206X5R473J501N#L,B0805X5R392M101N#H,B0201C0GR68B250N#A,B0402C0G7R5D250N#B,P0402X8G2R4B201N#B,B0201C0G8R0A500N#A,B0201X5R183M160N#A,B0402C0G680F250N#B,B0603X5R911M201N#D,B0201C0G1R6C500N#A,B1206C0G333J250N#L,B0805X5R391J631N#Y,B0201C0G8R2B250N#A,B0603X5R222M101N#D,B0201X7R471K250N#A,B0105C0G151J160N#Z,B1206X5R471K101N#O,P0805X8G2R0C501N#E,B0402C0G7R0C250N#B,B0603X5R821J251N#D,P0201X8G6R8A201N#A,P0201X8G0R4A201N#A,B0201C0G100G250N#A,B0603X5R476M4R0N#K,B0402X5R152J101N#B,P0805X8G7R5D251N#E,B0402C0G3R0A250N#B,B0402C0G241J250N#B,P0402C0G2R2A251N#B,B0603X5R271K251N#D,B0805X5R272K101N#Y,B0805X5R683M101N#H,B0805X5R104M101N#Y,B0201X7R222J160N#A,B0402C0G471K500N#B,B1206X5R106K250N#L,B0402C0G182G250N#B,B0105X5R152M100N#Z,B0805X5R102K201N#Y,B0105X5R153J6R3N#Z,B0603C0G182G160N#D,B0201C0G1R5A250N#A,B0805X5R272K101N#H,P0402C0G6R2C251N#B,B0201C0G270K500N#A,P0603X8G0R6A251N#U,B1206X5R102M101N#O,P0402X8G3R6A201N#B,B0105X5R201M6R3N#Z,B0805X5R683M101N#Y,B1206X5R272K102N#O,B0201C0G241J250N#A,B0805X5R161K501N#Y,B0805X5R473K101N#H,B0805X5R222J251N#Y,B0402X7R273K500N#B,B0402C0G0R3B250N#B,B0201C0G4R7A250N#A,B0105C0G330J250N#Z,B0105X5R272M6R3N#Z,B0805X5R473K101N#Y,B0402X7R472J6R3N#B,B0201X5R333J6R3N#A,B0603X5R271M101N#D,B0105C0G101K250N#Z,B0805X5R561M501N#Y,P系列,B0105C0G0R4A160N#Z,P0603C0G2R7B251N#U,P0402C0G0R6B251N#B,B0105C0G1R2C160N#Z,B0105X5R103K6R3N#Z,B0201X7R331J500N#A,B0402C0G620F250N#B,B0402X5R222M101N#B,B0201X7R681M250N#A,B0603C0G152G500N#D,P0805C0G680G251N#E,B0603X5R102K101N#D,B0805X5R181M631N#Y,B0105X5R201J100N#Z,P0805X8GR68B251N#E,P0402X8G6R8A201N#B,B0805X5R331J631N#Y,P0402C0G3R0C251N#B,P0805X8G8R0A501N#E,B0603C0G222J500N#D,B0805X5R475K250N#H,B0201C0G471K500N#A,B0402X5R474M6R3N#B,B0603X5R331J101N#D,P0805X8G0R3B251N#E,B0201C0G6R8D500N#A,P0805X8G200J501N#E,B0805X5R681J501N#Y,B0105C0G1R3B160N#Z,B0402X5R102J500N#B,B0402C0G152G500N#B,B1210X5R226M160N#L,B0805X5R475K250N#Y,B0105X5R392J6R3N#Z,P0603X8G0R5B251N#U,B0105C0G200G250N#Z,P0402C0G4R7C251N#B,P0805C0G470J251N#E,B1210X5R226M160N#R,B0805X5R392K251N#Y,P0603C0G1R5C251N#U,B1210X5R226M160N#Q,B0402C0G240K250N#B,B0805C0G822G500N#K,P0201C0G1R3C201N#A,B0402X5R224M250N#B,B0201C0G680F250N#A,B0402C0G8R2B250N#B,B0402C0G620K250N#B,P0805X8G9R1C251N#E,P0402C0G2R7B251N#B,P0402X8G5R1A201N#B,B0402X7R272K100N#B,B0402X5R393J250N#B,P0805C0G100C251N#E,B0201C0G0R8A500N#A,P0402C0G2R4C201N#B,P0402X8G330J201N#B,B0402C0G180F500N#B,P0805C0G2R7A251N#E,P0201X8G4R0A201N#A,B0402X5R224M250N#N,B0402X5R201K500N#B,P0805C0G4R7B251N#E,P0402X8G0R9B201N#B,B0201C0G150F250N#A,B0201C0G820G250N#A,B0805X5R121M631N#Y,B0402X5R474M160N#B,B0603X7R474K500N#D,B0105X7R181J160N#Z,B0201C0G220G500N#A,B0402C0G680K250N#B,B0805X5R104M101N#H,B0201C0G620F250N#A,P0805C0G5R6C251N#E,B1206X5R152M631N#O,P0603C0G0R6B251N#U,B0201X7R151M160N#A,B0105C0G3R6A160N#Z,B0105C0G101K160N#Z,B0402C0G200J500N#B,B1206X5R226M160N#L,B1206X5R472J101N#O,B0105X5R152K6R3N#Z,B0805X5R751M501N#Y,B1206X5R221K101N#O,B0402X7R222J250N#B,B0105C0G3R6A250N#Z,B0201C0G301J500N#A,B0805X5R911J101N#Y,B0402C0G6R2A250N#B,B0402C0G270K500N#B,B0402C0G222J500N#B,B0402X5R474M160N#N,B0201C0G470G500N#A,B0105C0G5R6B160N#Z,B0201X7R751K160N#A,P0402C0G3R9A251N#B,B0105X7R820K100N#Z,P0805C0G101G251N#E,P0603C0G7R5A251N#U,P0603X8G330G251N#U,P0201X8G0R3B201N#A,B0201C0G270F500N#A,B0201X7R562J160N#A,B0805X5R101K501N#Y,P0201C0G0R4B201N#A,B0201C0G1R1B500N#A
KNOWLES多层陶瓷片式电容器（MLCC）选型表
提供了多种封装，X7R符合AEC-Q200以及安规认证等特点。产品性能优越，Flexicap结构设计下具有极高的可靠性，产品涉及广泛，最高耐压6000V，旗下拥有非常有竞争力的高Q电容。
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产品型号
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品类
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Size Code
|
Termination Material
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Rated Voltage(Vdc)
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Capacitance Value（pF、nF、uF）
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Capacitance Tolerance(%、pF)
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Dielectric Classification
|
|
0603J0500120JAB
|
Multilayer Ceramic Chip Capacitor
|
0603
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Nickel barrier
|
50Vdc
|
12pF
|
±5%
|
C0G/NP0(1B) to AEC-Q200
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选型表 - Knowles 立即选型
探索楼氏电容器在电动汽车中的关键作用 (下)
在上期的内容中，我们为大家初步介绍了电容器在电动汽车电力系统中的多种作用，今天我们将就其在牵引逆变器（直流至交流）、车载充电器（交流至直流）和DC-DC转换器中的具体应用进行介绍。
技术探讨 发布时间 : 2024-08-22
电子商城
现货市场
服务
可定制UV胶的粘度范围：150~25000cps，粘接材料：金属，塑料PCB，玻璃，陶瓷等；固化方式：UV固化；双固化，产品通过ISO9001:2008及ISO14000等认证。
最小起订量： 1支 提交需求>
可加工PCB层数：4~32层，加工板材：多层板/HDI板/FR4板/高频板/高速板/高温板/铜基板/铝基板/陶瓷基板/软硬结合板，成品尺寸：3~1100mm，板厚：0.15-80mm，最小孔径：0.1mm，铜厚：最高14oz。
最小起订量： 1 提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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