WMSIC Electronic Components

KEMET C0805C475J9RACAUTO

ModelC0805C475J9RACAUTO
Package0805
BrandKEMET
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
KEMET C0805C475J9RACAUTO
Type
KEMET
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KEMET
Electronic Component
C0805C475J9RACAUTO
Electronic Component
1
Electronic Component
4.7uF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.109g
Electronic Component
1
Electronic Component
BM0265834778
Electronic Component
X7R
Voltage
6.3V
Electronic Component
Electronic Component
Electronic Component
2500

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

KEMET C0805C475J9RACAUTO 多层陶瓷电容器(MLCC)产品概述

一、核心参数精准解析

该型号为KEMET基美推出的通用型多层陶瓷电容器,核心参数可从型号与描述中清晰拆解:

  • 容值与精度:标称容值4.7μF,采用行业通用代码“475”标识(47×10⁵ pF),精度等级为“J”(±5%),满足多数低压电路对容值稳定性的基础要求;
  • 额定电压:6.3V DC,适用于3.3V/5V等低压供电系统,避免过压击穿风险;
  • 温度特性:X7R介电材质,温度适用范围-55℃至+125℃,容值随温度变化偏差≤±15%,相比Y5V等低成本材质更稳定;
  • 封装规格:0805英制封装(对应公制2012,尺寸2.0mm×1.2mm),表面贴装(SMD)设计,适配高密度PCB布局。

二、技术特性深度解读

1. X7R介电材质优势

不同于Y5V材质的大温漂(容值偏差可达±20%以上),X7R的介电常数随温度变化平缓,在-55℃~+125℃范围内容值波动小,适合需要稳定滤波、耦合性能的场景(如音频电路、时钟信号回路)。

2. 高频性能优异

多层陶瓷叠层结构带来低等效串联电阻(ESR)、低等效串联电感(ESL)特性,在MHz级高频下仍能保持良好的滤波效果,适配无线通信、射频电路等高频应用。

3. 可靠性设计

KEMET采用成熟的陶瓷叠层工艺,电极与介质层结合紧密,抗机械应力(振动、弯折)能力强;型号后缀“AUTO”表明该产品通过汽车电子级可靠性测试(如AEC-Q200),可用于车载环境(-40℃~+85℃工况)。

4. 环保合规

符合RoHS 2.0、REACH等国际环保标准,无铅无卤,适配绿色电子产品设计需求。

三、封装与尺寸适配性

0805封装是电子行业通用的小型化封装之一,尺寸仅2.0mm(长)×1.2mm(宽)×约0.8mm(厚),相比同容值铝电解电容体积缩小80%以上,可显著降低PCB面积占用。
表面贴装设计兼容回流焊、波峰焊工艺,支持自动化生产,提升组装效率,适合便携式设备、小型化模块的高密度布局。

四、典型应用场景

该型号针对低压、小型化、高可靠性需求设计,核心应用场景包括:

  1. 消费电子:智能手机、平板的CPU供电去耦、音频信号耦合(耳机接口、扬声器驱动);
  2. 便携式设备:智能手环、蓝牙耳机的3.7V锂电池供电滤波;
  3. 汽车电子:车载中控屏、导航系统的低压信号滤波,胎压监测传感器的去耦;
  4. 工业控制:小型PLC、传感器节点的电源滤波、数字信号耦合。

五、选型对比与优势总结

与同容值、同电压的其他电容相比,该型号优势明显:

  • 对比铝电解电容:体积小3倍以上,无极性,寿命长(无电解液干涸问题);
  • 对比钽电容:成本降低约40%,ESR更低(高频性能更好),无漏电流风险;
  • 对比Y5V陶瓷电容:容值温度稳定性提升2倍,适合对偏差敏感的电路。

六、品牌与质量保障

KEMET(基美)拥有70余年被动元器件研发经验,该型号通过严格的SPC统计过程控制、全检抽样流程,产品一致性好,批次差异小;同时提供详细的datasheet文档与技术支持,便于工程师选型验证。

该型号以“小型化、高稳定、高可靠”为核心,覆盖消费电子、汽车电子等多领域,是低压电路设计的通用优选。

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