WMSIC Electronic Components

KEMET(基美) C0402C180J5GACAUTO

ModelC0402C180J5GACAUTO
Package0402
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 25+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
KEMET C0402C180J5GACAUTO
Type
KEMET
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KEMET
Electronic Component
C0402C180J5GACAUTO
Electronic Component
1
Electronic Component
18pF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.011g
Electronic Component
1
Electronic Component
BM0264570420
Electronic Component
C0G
Voltage
50V
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.

KEMET C0402C180J5GACAUTO 贴片电容产品概述

一、核心身份与品牌背景

KEMET C0402C180J5GACAUTO是基美电子(KEMET)推出的0402封装多层陶瓷贴片电容(MLCC),属于该品牌C0G(NP0)温度系数系列的经典型号。基美作为全球被动元件领域的头部厂商,以高可靠性、稳定一致性著称,其产品广泛应用于消费电子、汽车、工业等领域,该型号延续了品牌对精密电容的设计标准。

二、关键电气性能参数解析

该型号的核心电气参数清晰明确,可满足多数精密电路的设计需求:

  • 容值与精度:标称容值18pF(型号中“C180”表示18×10⁰pF),精度等级为±5%(“J”档),容值偏差控制严格;
  • 额定电压:直流工作电压50V,满足中低压电路的基本需求;
  • 温度系数:采用C0G(NP0)特性,是陶瓷电容中温度稳定性最优的类型——在-55℃至+125℃的宽温范围内,容值变化率≤±30ppm/℃(远低于X7R等常规电容的±15%);
  • 损耗特性:高频下损耗角正切(DF)极低(典型值≤0.15%@1kHz),适合高频信号传输场景,无明显信号衰减。

三、封装与物理规格

  • 封装形式:英制0402封装(对应公制1005,即1.0mm×0.5mm),属于超小型贴片封装,适配高密度PCB设计;
  • 尺寸参数:长1.016mm(0.04英寸)、宽0.508mm(0.02英寸)、高约0.508mm(0.02英寸),体积小巧,适合紧凑电路布局;
  • 端电极设计:采用无铅镍/锡镀层,符合RoHS 2.0及REACH环保标准,耐焊接热(回流焊峰值温度可达260℃以上),焊接可靠性高。

四、C0G温度系数的核心优势

C0G是该型号的核心技术亮点,相比X7R、Y5V等陶瓷电容,具备三大显著优势:

  1. 容值稳定性:宽温范围内容值几乎无漂移,避免因温度变化导致电路性能波动(如振荡频率偏移、滤波效果下降);
  2. 低损耗与高频特性:高频下介电损耗小,寄生电感低,适合1GHz以上的射频电路(如WiFi、蓝牙模块);
  3. 长期可靠性:无直流偏置效应(X7R在直流偏置下容值会下降),长期工作性能稳定,寿命更长。

五、典型应用场景

基于上述性能特点,该型号适用于对容值稳定性、高频特性要求较高的场景:

  • 高频通信领域:WiFi、蓝牙、5G射频前端模块,用于信号滤波、匹配网络;
  • 精密振荡电路:晶体振荡器、LC谐振电路,保证频率稳定性;
  • 汽车电子:车载信息娱乐系统、胎压监测、ADAS传感器电路(型号中“AUTO”暗示汽车级可靠性);
  • 工业与医疗设备:工业控制板、医疗监护仪等对精度要求高的电路。

六、可靠性与合规性

KEMET对该型号的可靠性设计充分考虑了不同应用场景的需求:

  • 汽车级认证:符合AEC-Q200标准(推测型号中“AUTO”对应),可承受汽车环境的温度、湿度及机械应力;
  • 环境合规:无铅、无卤素,满足全球环保法规;
  • 寿命与稳定性:在额定条件下,平均无故障时间(MTBF)可达数百万小时,长期工作无性能衰减。

七、选型与使用注意事项

  1. 电压降额:设计时建议采用75%降额(即实际工作电压≤37.5V),延长电容寿命;
  2. 温度范围确认:仅适用于-55℃~+125℃环境,超出需更换其他温度系数电容;
  3. 替代选型:同参数替代型号包括Murata GRM1555C1H180JA01D、TDK C1005C180J5GAC等;
  4. 焊接工艺:需采用回流焊,避免手工焊接导致的封装损坏。

该型号凭借稳定的性能、紧凑的封装及高可靠性,成为精密电子电路中C0G系列MLCC的优选之一,可覆盖多领域的设计需求。

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