WMSIC Electronic Components

HRE CSA0402X5R104K500GT

ModelCSA0402X5R104K500GT
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 CSA0402X5R104K500GT
Type
HRE
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CSA0402X5R104K500GT
Electronic Component
1
Electronic Component
100nF
Package
0402
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.013g
Electronic Component
1
Electronic Component
BM0264743655
Electronic Component
X5R
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.

CSA0402X5R104K500GT 产品概述

一、产品简介

CSA0402X5R104K500GT 为 HRE(芯声)品牌的一款薄膜多层陶瓷片式电容(MLCC),容值为 100nF(0.1µF),公差 ±10%(K),额定电压 50V,温度特性为 X5R,封装为 0402(毫米级小封装)。该型号定位于通用去耦、旁路和滤波应用,适用于对体积要求严格但性能需求稳定的电子产品。

二、主要参数

  • 容值:100nF(0.1µF)
  • 精度:±10%(K)
  • 额定电压:50V
  • 温度特性:X5R(-55°C 至 +85°C,容量变化在 ±15% 范围内)
  • 封装:0402(适用于贴片回流焊工艺)
  • 品牌:HRE(芯声)

三、材料特性与电气性能说明

X5R 属于 Class II 高介电常数材料,具有体积电容密度高的优点,使在微小封装(如 0402)下实现 100nF 容值成为可能。该材料的主要特性包括:

  • 温度稳定性:在 -55°C 至 +85°C 范围内电容量变化可控(常见规范为 ±15%),适合一般工业与民用环境。
  • 损耗与等效串联电阻(ESR):相比 Class I(如 C0G/NP0),X5R 的损耗与介质损耗较高,ESR 较低频应用影响较小,但在高频和高精度振荡/谐振电路中并非最佳选择。
  • 电压依赖性:Class II 陶瓷随直流偏压会出现显著的容量下降,接近额定电压时容量会减少,设计时需考虑直流偏压效应。
  • 老化行为:X5R 存在随时间的老化效应,容量随对数时间逐步下降,长期使用前需评估可能影响。

相对比:若电路要求极高稳定性、低损耗和极小温度系数,应优先选用 C0G/NP0;若需要更大容量或成本与体积优先,X5R 为常用折衷选择。

四、典型应用场景

CSA0402X5R104K500GT 适用于多种电子产品中的通用去耦与旁路需求,典型应用包括:

  • 电源去耦与局部旁路(开关电源输出/输入、LDO 稳压器旁路)
  • 高密度 PCB 的去耦与滤波(移动设备、笔记本、平板等)
  • 工业控制与通信设备的旁路与噪声抑制(基站、网通设备、工业控制器)
  • 家用电器、照明与三表类电子模块的去耦、耦合
  • 汽车电子(辅助系统、车身电子、动力系统辅助电路)——用于非安全关键电路时需符合汽车级规范并评估工作温度与老化

五、封装、工艺与可靠性要点

  • 0402 封装利于高密度贴片与微型化设计,但器件尺寸小,焊接热应力、机械应力和焊盘设计对可靠性影响较大;建议优化回流焊曲线并控制 PCB 焊盘尺寸以降低应力集中。
  • 高频或大电流场合需关注容器的 ESR、ESL 与温升,0402 的散热能力与脉冲电流承受能力有限。
  • 在对 capacitance 精度与长期稳定性有较高要求的场合,考虑增加裕量、采取电压降额使用或选用稳定性更好的材料系列。
  • 对汽车或工业级应用,需结合实际环境(温度循环、湿热、振动)进行可靠性验证。

六、选型与使用建议

  • 若电路为去耦/旁路且空间受限,CSA0402X5R104K500GT 为常用且成本效益高的选项。
  • 设计时应考虑 X5R 的电压依赖性,避免长期在接近额定电压下工作;在关键电源节点建议留出电压降额裕量(例如按经验在 50%–80% 之间视具体要求调整)。
  • 对于滤波、耦合等对温度稳定性和损耗不敏感的场景,可直接使用;对频率敏感或时基、谐振电路,应选用 C0G/NP0 等 Class I 器件。
  • 生产与装配过程中注意焊接工艺优化与机械应力控制,必要时进行寿命和环境应力测试。

总结:CSA0402X5R104K500GT 以其在 0402 小尺寸中实现 100nF 容量的能力,适合电子产品微型化与高密度设计中的常规去耦与滤波需求。选择时应综合评估温度、偏压、长期稳定性和封装承受能力,以确保在目标应用中的可靠性与性能。

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