WMSIC Electronic Components

HRE CGA0805X7R225M500MT

ModelCGA0805X7R225M500MT
Package0805
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 CGA0805X7R225M500MT
Type
HRE
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0805X7R225M500MT
Electronic Component
1
Electronic Component
2.2uF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±20%
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0265109180
Electronic Component
X7R
Voltage
50V
Electronic Component
Electronic Component
Electronic Component
3000

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

HRE芯声CGA0805X7R225M500MT多层陶瓷电容器产品概述

一、产品命名与基础属性解析

CGA0805X7R225M500MT是HRE(芯声)品牌针对中低压电路设计的多层陶瓷电容器(MLCC),命名遵循行业通用编码逻辑,各部分含义明确:

  • CGA:HRE中低压MLCC系列标识,主打高可靠性与小型化;
  • 0805:英制封装尺寸代码,对应公制尺寸2.0mm×1.2mm(长×宽),适配主流SMT生产线;
  • X7R:介质温度系数代码,代表工作温度范围**-55℃~125℃**,容值变化率≤±15%;
  • 225:容值代码,计算为「22×10⁵ pF」,即2.2μF;
  • M:容值精度,对应±20%公差;
  • 500:额定直流电压,即50V;
  • MT:端接标识,指镀锡三层端接(镍 barrier层+铜层+锡镀层),适配无铅焊接。

二、核心性能参数详解

该产品的关键性能覆盖电气特性、温度稳定性与可靠性,具体如下:

  1. 电气基础参数:

    • 容值:2.2μF±20%;
    • 额定电压:50V DC(无偏置时);
    • 绝缘电阻:≥1GΩ(25℃、50V DC下);
    • ESR(等效串联电阻):1kHz下典型值≤10mΩ;
    • ESL(等效串联电感):≤1nH。
  2. 温度特性优势:
    X7R介质避免了Y5V等低稳定介质的“高温容值骤降”问题——在-55℃至125℃范围内,容值变化控制在±15%以内,适合极端环境应用。

  3. 可靠性指标:
    符合工业级标准,125℃、50V DC下1000小时高温寿命测试后:

    • 容值变化≤±10%;
    • 绝缘电阻≥100MΩ;
    • 焊接耐热性满足回流焊峰值260℃(持续10秒)要求。

三、产品优势与适用场景

相比同封装同容值的常规MLCC,该产品具备三大核心优势:

  • 宽温稳定性突出:X7R介质的容值变化远优于Y5V(后者高温下容值可骤降82%),适配车载、工业控制等宽温场景;
  • 小型化与环保兼容:0805封装体积仅约2.4mm³,节省PCB空间,同时符合RoHS/REACH无铅环保要求;
  • 偏置效应较弱:50V额定电压下,1V直流偏置时容值变化≤±5%,适合电源电路中存在轻微偏置的场景。

典型应用场景:

  • 消费电子:智能手机、平板的电源滤波与信号耦合;
  • 工业控制:PLC、变频器的信号滤波与去耦;
  • 车载电子:信息娱乐系统、仪表盘的电源电路(若符合AEC-Q200可拓展至动力系统);
  • 通信设备:路由器、交换机的中低频电源滤波。

四、封装与生产工艺说明

该产品采用0805表面贴装封装,具体尺寸参数(含公差):

  • 长度:2.0±0.2mm;
  • 宽度:1.2±0.2mm;
  • 厚度:0.8±0.1mm;
  • 端接尺寸:两端各0.3±0.1mm(镀锡层厚度≥5μm)。

生产工艺采用多层印刷叠层烧结技术,确保介质层均匀性与电极连续性;端接三层结构(镍+铜+锡)可有效防止焊接“浸锡”,提升长期可靠性。

五、应用注意事项

使用时需关注两点:

  1. 直流偏置限制:若电路偏置电压超过10V,需参考HRE偏置曲线调整选型(偏置越高,容值衰减越明显);
  2. 焊接工艺:回流焊峰值温度≤260℃,手工焊接温度≤350℃(持续时间≤3秒),避免高温损伤介质层。

总结

CGA0805X7R225M500MT凭借X7R的宽温稳定性、0805的小型化设计与50V额定电压,成为中低压电路滤波、耦合的高性价比选择,覆盖消费、工业、车载等多领域需求。

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