WMSIC Electronic Components

HRE CGA0402X5R105K250GT

ModelCGA0402X5R105K250GT
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 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
HRE CGA0402X5R105K250GT
Type
HRE
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0402X5R105K250GT
Electronic Component
1
Electronic Component
1uF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.013g
Electronic Component
1
Electronic Component
BM0264778614
Electronic Component
X5R
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.

CGA0402X5R105K250GT 多层陶瓷贴片电容(MLCC)产品概述

CGA0402X5R105K250GT是HRE芯声推出的一款高性能多层陶瓷贴片电容(MLCC),针对小型化、高密度电子设备的电气需求设计,兼具稳定的温度特性与高可靠性,广泛适配消费电子、智能穿戴、工业控制等领域的滤波、耦合及去耦场景。

一、产品基本信息

该型号属于HRE常规高容值小封装系列,型号命名遵循行业通用规则:

  • CGA:多层陶瓷电容(MLCC)通用前缀;
  • 0402:英制封装代码,对应公制尺寸1.0mm×0.5mm×0.5mm(长×宽×厚),适配高密度贴装;
  • X5R:EIA标准温度系数,明确工作温度范围与容量稳定性;
  • 105K:容值编码,10^5 pF=1μF,精度±10%(K档);
  • 250:额定直流工作电压25V;
  • GT:HRE内部批次与工艺标识,确保产品一致性。

产品符合RoHS 2.0环保标准,无铅焊接兼容,满足全球电子设备的环保要求。

二、核心性能参数

CGA0402X5R105K250GT的关键电气与物理参数如下:

参数项 规格值 备注 标称容值 1μF(10^5 pF) 1kHz频率下测试 容值精度 ±10%(K档) 25℃、0V偏置条件下 额定直流电压 25V 最大连续工作电压 温度系数 X5R EIA标准:-55℃~+85℃,容量变化±15% 绝缘电阻(IR) ≥10^9 Ω(25℃) 100V直流测试 损耗角正切(DF) ≤0.02(1kHz) 容量稳定性的关键指标 封装尺寸 1.0±0.2mm×0.5±0.2mm 0402英制封装 焊接端电极 三层结构(Ni/Sn) 无铅,提高焊接可靠性

三、温度特性与稳定性

X5R温度系数是该产品的核心优势之一:

  • 宽温范围:支持-55℃至+85℃的工作环境,覆盖绝大多数消费电子与工业设备的温度需求;
  • 容量稳定性:在全温度范围内,容量变化率控制在±15%以内,远优于Y5V(±20%~-80%)等低成本温度系数,适合对容量一致性要求较高的电路(如电源滤波、射频耦合);
  • 偏置电压适应性:在直流偏置电压≤15V时,容量下降幅度≤10%,可满足低压偏置电路的实际应用需求。

四、封装与可靠性设计

HRE针对0402小封装的可靠性痛点进行了优化:

  1. 端电极工艺:采用Ni/Sn三层镀层,避免焊接时的“浸锡”问题,焊接强度符合IPC标准(≥1.5kgf);
  2. 陶瓷介质优化:使用高纯度钛酸钡基介质,减少介质缺陷,提高绝缘电阻与抗老化能力;
  3. 可靠性测试:通过温度循环(-55℃~+125℃,1000次)、湿度偏压(85℃/85%RH,500h)、回流焊耐热(260℃峰值,10s)等测试,确保SMT制程良率≥99.8%,长期使用MTBF(平均无故障时间)≥10^6小时。

五、典型应用场景

CGA0402X5R105K250GT的参数特性使其适配以下场景:

  1. 消费电子:智能手机、平板电脑的LDO输出滤波、音频信号耦合、蓝牙模块去耦;
  2. 智能穿戴:智能手表、手环的传感器电路滤波、低功耗MCU电源去耦;
  3. 工业控制:小型PLC的辅助电源滤波、低功率电机驱动的EMI抑制;
  4. 通信设备:小型基站、路由器的射频前端去耦、电源模块滤波;
  5. 车载低压电路:若需AEC-Q200认证,可咨询HRE定制版本,适配≤24V车载辅助电路滤波。

六、选型与使用注意事项

为确保产品性能与可靠性,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%(即≤20V),避免过压导致介质击穿;
  2. 焊接规范:回流焊峰值温度≤260℃,单次焊接时间≤10s,禁止多次焊接;
  3. 储存条件:常温干燥环境(湿度≤60%),储存期不超过12个月,开封后建议1个月内使用完毕;
  4. 偏置影响:直流偏置电压≥18V时,容量下降幅度可能超过15%,选型时需根据实际偏置计算有效容量;
  5. 贴装注意:0402封装尺寸小,贴装时需使用高精度贴片机,避免偏移或立碑。

综上,CGA0402X5R105K250GT凭借小封装、稳定温度特性与高可靠性,成为小型化电子设备的理想电容选型,可有效平衡性能与成本,满足多样化应用需求。

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