WMSIC Electronic Components

KEMET C1210C225K1RACAUTO

ModelC1210C225K1RACAUTO
Package1210
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 C1210C225K1RACAUTO
Type
1210
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KEMET
Electronic Component
C1210C225K1RACAUTO
Electronic Component
1
Electronic Component
2.2uF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.063g
Electronic Component
1
Electronic Component
BM0231115622
Electronic Component
X7R
Voltage
100V
Electronic Component
Electronic Component
Electronic Component
2000

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

KEMET C1210C225K1RACAUTO 贴片多层陶瓷电容(MLCC)产品概述

一、产品核心身份与参数概览

C1210C225K1RACAUTO是KEMET(基美)推出的汽车级贴片多层陶瓷电容(MLCC),型号编码直接对应核心参数,具体如下:

参数项 规格值 编码解析说明 产品类型 贴片多层陶瓷电容(MLCC) —— 容值 2.2μF(225) 22×10⁵ pF = 2.2μF 容值精度 ±10%(K) 行业标准精度代码 额定电压 100V DC 1RAC编码对应100V直流额定值 温度系数 X7R 陶瓷介质温度特性代码 封装 1210(3.2mm×2.5mm) 英制代码(长×宽) 等级 汽车级(AUTO后缀) 符合汽车电子可靠性标准 品牌 KEMET(基美) 全球MLCC主流厂商

二、关键性能特性解析

1. X7R温度系数的稳定性优势

X7R是MLCC中兼顾容值密度与温度稳定性的常用介质类型,核心表现为:

  • 工作温度范围:-55℃ ~ +125℃(覆盖汽车、工业等极端环境);
  • 容值变化率:±15%以内(全温度区间容值波动小,满足电路对稳定性的要求);
  • 介电常数适中:避免了NPO(低容值)或Y5V(大温度漂移)的局限,适合中等容值需求场景。

2. 100V额定电压的功率适配性

100V DC额定电压适合中等功率电路,可满足:

  • 电源滤波、耦合电路的电压安全余量(避免过压击穿);
  • 与12V/24V低压系统配合时,提供充足的抗干扰能力;
  • 部分高压小功率电路(如100V以内的DC-DC转换器)的直接应用。

3. 1210封装的尺寸平衡

1210封装(3.2mm×2.5mm)是中尺寸贴片电容的典型规格,优势在于:

  • 容值密度:比0805/0603封装更大(2.2μF可稳定实现);
  • 空间效率:比1812/2220封装更紧凑,适合PCB布局紧张的设计;
  • 焊接可靠性:焊接面积适中,回流焊过程中热应力分布均匀,减少开裂风险。

4. MLCC的通用性能优势

作为多层陶瓷电容,具备传统电解电容不具备的特性:

  • 低ESR/ESL:高频损耗小、响应速度快,适合滤波、高速信号电路;
  • 无极性:双向安装,简化电路设计;
  • 长寿命:陶瓷介质无电解液干涸问题,可靠性远高于电解电容。

三、典型应用场景

结合汽车级后缀与参数特性,该产品核心应用场景包括:

1. 汽车电子领域(核心场景)

符合AEC-Q200标准,可用于:

  • 车载电源系统:12V/24V电源滤波、DC-DC转换器输出去耦;
  • 车身控制模块(BCM):信号耦合、噪声抑制;
  • 传感器接口:温度/压力传感器的模拟信号滤波(覆盖-40℃~85℃车载环境);
  • 仪表盘与中控:显示电路的稳压、去噪。

2. 工业控制领域

适应工业现场的温度与电压需求:

  • PLC(可编程逻辑控制器):数字信号去耦、电源滤波;
  • 电机驱动:100V以内伺服电机的高压侧滤波;
  • 工业传感器:-55℃~125℃环境下的模拟信号滤波。

3. 消费电子与通信设备

中等电压场景的可靠选择:

  • 高端电源适配器:100V以内的高压滤波;
  • 通信基站:射频电路的耦合、去耦;
  • 医疗设备:低噪声电路的滤波(符合高可靠性要求)。

四、可靠性与品质保障

KEMET对该产品的可靠性管控严格,核心优势包括:

1. 汽车级认证(AEC-Q200)

AUTO后缀表明产品通过AEC-Q200汽车电子可靠性规范,具体测试包括:

  • 温度循环:-55℃~125℃,循环次数≥1000次;
  • 湿度偏压:85℃/85%RH环境下,施加额定电压测试≥1000小时;
  • 机械振动/冲击:符合汽车级振动要求(如10~2000Hz,加速度≥1.5g)。

2. 介质与电极可靠性

采用高性能X7R陶瓷介质与镍电极(Ni),避免银电极的迁移问题,提升:

  • 耐湿性能;
  • 长期稳定性(无容值衰减);
  • 抗电迁移能力(减少短路风险)。

3. KEMET全流程管控

  • 自动化生产:减少人工误差,确保一致性;
  • 出厂全检:每颗产品测试容值、损耗、绝缘电阻等参数;
  • 不良率:低于行业平均水平(≤0.1%)。

五、选型与使用注意事项

为确保性能与寿命,使用时需注意:

1. 电压降额使用

实际工作电压建议不超过额定电压的80%(≤80V),避免过压导致的介质击穿。

2. 温度容值补偿

X7R容值随温度变化±15%,设计时需预留余量(如实际需2μF,选用2.2μF)。

3. 焊接工艺要求

  • 回流焊:峰值温度≤245℃,时间≤30秒(避免热应力损伤陶瓷);
  • 手工焊:烙铁温度≤350℃,焊接时间≤3秒(局部过热易导致开裂)。

4. 存储条件

  • 未开封:0~40℃、湿度≤60%环境;
  • 开封后:建议1年内使用完毕(避免镍电极氧化)。

该产品凭借稳定的性能、汽车级可靠性与适中的尺寸,成为中等电压MLCC场景的主流选择,广泛应用于汽车、工业等对可靠性要求较高的领域。

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