WMSIC Electronic Components

HRE CGA0805X7R103K101KT

ModelCGA0805X7R103K101KT
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 CGA0805X7R103K101KT
Type
HRE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0805X7R103K101KT
Electronic Component
1
Electronic Component
10nF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0265109117
Electronic Component
X7R
Voltage
100V
Electronic Component
Electronic Component
Electronic Component
4000

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

CGA0805X7R103K101KT 产品概述

一 产品简介

CGA0805X7R103K101KT 为贴片多层陶瓷电容(MLCC),额定电压 100V DC,标称电容 10nF(103),公差 ±10%(K),温度特性 X7R,封装 0805(约 2.0 × 1.25 mm)。由 HRE(芯声)品牌供应,适合需要中等电容稳定性与较高工作电压的表面贴装电子产品。

二 主要电气参数

  • 容值:10nF(0.01µF)
  • 公差:±10%(K)
  • 额定电压:100V DC
  • 温度特性:X7R(-55°C ~ +125°C,温度变化范围内容值变化限制在±15%)
  • 封装:0805(2012公制)
    该器件为二类介质(X7R),在温度与应力下具有良好容值维持性,但相较于 NP0/C0G 在温漂和电压依赖性上存在一定限制。

三 结构与封装信息

0805 封装尺寸约 2.0 × 1.25 mm,厚度典型值约 0.8–0.9 mm(不同制造批次略有差异)。器件为无引脚端子结构,适配标准 SMT 贴装工艺;常见提供卷带(tape & reel)包装,便于自动化贴装。

四 性能特点

  • 高工作电压:100V 额定,适用于中高压场合的旁路、耦合与滤波。
  • X7R 介质:在宽温区间内保持稳定的电容特性,适合工业级温度要求。
  • 小型封装:0805 提供空间效率与较好的焊接可靠性。
  • 成本与性能平衡:相比高稳定度介质,X7R 在成本和容值密度上更有优势。

五 典型应用场景

  • 高压直流/功率滤波与去耦(如 DC-DC 转换器次级、偏置电源)
  • 模拟电路耦合、旁路与小信号滤波(需注意介质电压依赖)
  • 工业控制、照明驱动、能源计量、测试测量设备等需要 100V 等级的场合

六 设计与使用注意事项

  • 直流偏压效应:X7R 在较高直流电场下会出现显著容值下降,设计时应预留裕度(可采用更高电压等级或并联多只以补偿)。
  • 温度影响:虽然 X7R 在 -55~+125°C 工作,但容值随温度变化仍有上下浮动,应在系统级考虑最大最小容值。
  • 机械应力:贴片电容对 PCB 弯曲、螺丝应力敏感,布局时避免位于高应力区域并采用适当过孔/焊盘设计。

七 焊接与可靠性建议

  • 焊接:建议遵循 IPC/JEDEC 的无铅回流曲线,峰值温度通常 ≤260°C,避免超过推荐的热循环次数。
  • 清洗:尽量使用无卤或弱活性溶剂,避免长时间超声清洗以防机械损伤。
  • 储存:推荐干燥、常温(5~40°C)、相对湿度低的环境,避免潮湿和阳光直射;长期存放前建议进行烘烤以防潮湿导致焊接缺陷。

八 选型与替代建议

若电路对温漂、电压依赖或稳定性要求较高,可考虑 C0G/NP0 类无温漂介质,但需牺牲容量密度与成本。若预计在高 DC 偏压下使用且容值保持关键,可选择更高额定电压(例如 150V)或采用并联多只 100V 器件以降低每只承受电场。

九 小结

CGA0805X7R103K101KT 是一款适用于中高电压、空间受限场合的 10nF X7R MLCC,兼顾成本与容量密度。适合工业电源滤波、耦合与一般去耦用途;在设计时应注意直流偏压与温度对容值的影响,并按照规范的 SMT 工艺进行焊接与储存管理,以保证长期可靠性。若需更详细的电气参数曲线(温度曲线、DC bias 曲线、纹波电流及 ESR/DF),建议向供应商获取完整规格书与样品测试数据。

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