WMSIC Electronic Components

HRE CAI0402X7R332K250GT

ModelCAI0402X7R332K250GT
Package0402
BrandHRE
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 25+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
HRE CAI0402X7R332K250GT
Type
0402
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CAI0402X7R332K250GT
Electronic Component
1
Electronic Component
3.3nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.012g
Electronic Component
10
Electronic Component
BM0264777572
Electronic Component
X7R
Voltage
25V
Electronic Component
Electronic Component
Electronic Component
10000

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

CAI0402X7R332K250GT多层陶瓷电容(MLCC)产品概述

一、产品基本信息

CAI0402X7R332K250GT是芯声电子(HRE) 推出的通用型多层陶瓷电容(MLCC),属于该品牌CAI系列标准品。型号命名遵循行业通用规则,各段含义清晰:

  • CAI:产品系列标识(通用MLCC,覆盖0402~1206封装);
  • 0402:英制封装尺寸(对应公制1005,即长1.0mm×宽0.5mm);
  • X7R:温度系数类别(-55℃~+125℃内,容值变化≤±15%);
  • 332:容值代码(33×10²=3300pF=3.3nF);
  • K:容值精度(±10%);
  • 250:额定直流电压(25V DC);
  • GT:芯声内部工艺后缀(标识镍电极+镀锡端处理)。

该产品采用多层陶瓷叠层工艺制造,电极以镍(Ni)为基底,表面镀纯锡(Sn),完全符合RoHS 2.0、REACH SVHC等环保法规,无铅无卤。

二、核心电气与性能参数

CAI0402X7R332K250GT的性能参数匹配通用电子电路的设计需求,关键指标如下:

参数项 规格值 测试条件/备注 标称容值 3.3nF(332) 1kHz/1Vrms正弦波 容值精度 ±10%(K) 25℃标准环境下 额定直流电压 25V DC 最高持续工作电压(需降额使用) 温度系数(X7R) -55℃~+125℃,ΔC≤±15% 容值随温度变化的稳定范围 损耗角正切(tanδ) ≤2.0%(1kHz) 典型值1.5%左右,射频下≤5%(1GHz) 绝缘电阻(IR) ≥10¹⁰Ω(25℃,100V DC) 高绝缘性保障信号完整性 谐振频率(fr) 约100MHz(典型值) 射频电路滤波的关键谐振点

补充:该电容的等效串联电阻(ESR)在1kHz下约为0.5Ω,适合中低频滤波与去耦场景。

三、封装与机械特性

0402封装(公制1005)是该产品的核心机械特征,适配高密度PCB布局,具体性能如下:

  1. 物理尺寸:

    • 长度:1.0±0.02mm;
    • 宽度:0.5±0.02mm;
    • 厚度:0.25±0.03mm(含端电极);
    • 端电极宽度:0.2±0.02mm。
  2. 机械可靠性:

    • 振动测试:10~2000Hz,加速度10g,持续100h无失效;
    • 冲击测试:1500g(半正弦波,0.5ms),3次冲击无开裂;
    • 弯曲测试:PCB弯曲半径10mm,10次循环无性能下降。
  3. 焊接兼容性:

    • 回流焊峰值温度:260℃±5℃,持续时间≤10s;
    • 波峰焊温度:245℃±5℃,持续时间≤3s;
    • 手工焊温度:350℃±10℃,焊接时间≤2s。

四、典型应用场景

因容值稳定、体积小巧、成本适中,该产品广泛覆盖以下领域:

  1. 消费电子:手机、平板、智能手表的电源滤波(Vcc端)、音频信号耦合;
  2. 汽车电子:车载音响、仪表盘、车身控制器的低压信号抗干扰;
  3. 工业控制:PLC模块、传感器接口的EMI滤波(抑制电磁干扰);
  4. 通信设备:路由器、基站射频前端的带通滤波、去耦电容;
  5. 物联网终端:智能家居设备(摄像头、温湿度传感器)的电源稳压。

注意:若用于汽车动力系统(如BMS),需切换至AEC-Q200认证的车规级X7R产品,本款为工业级通用型。

五、可靠性与环境适应性

该产品通过多项可靠性测试,满足通用电子设备的环境要求:

  1. 温度循环:-55℃(30min)→+125℃(30min),循环1000次,容值变化≤±5%;
  2. 湿热测试:85℃/85%RH,持续1000h,绝缘电阻≥10⁹Ω;
  3. 老化测试:25V DC/125℃,持续1000h,容值变化≤±10%;
  4. 环保认证:RoHS 2.0(无Pb、Cd、Hg等)、REACH SVHC合规。

六、选型与使用注意事项

为确保性能稳定,需注意以下要点:

  1. 电压降额:实际工作电压建议不超过额定电压的80%(≤20V DC),延长寿命;
  2. 温度限制:避免长期工作在125℃以上,否则容值漂移超差;
  3. 焊接工艺:0402封装体积小,需控制焊锡量,避免桥接或虚焊;
  4. 存储条件:常温(15~35℃)、干燥(湿度≤60%)环境存储,开封后24h内使用(未开封存储期≤12个月);
  5. 精度升级:若需±5%精度,可选择同系列CAI0402X7R332J250GT(J=±5%)。

总结:CAI0402X7R332K250GT是一款高性价比通用MLCC,适用于大部分低压电子电路的滤波、去耦、耦合场景,芯声电子的叠层工艺保障了可靠性与一致性,是PCB高密度布局的理想选择。

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