WMSIC Electronic Components

HRE CGA0603X5R105K250JT

ModelCGA0603X5R105K250JT
Package0603
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 Date code within 2 years

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
HRE CGA0603X5R105K250JT
Type
HRE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HRE
Electronic Component
CGA0603X5R105K250JT
Electronic Component
1
Electronic Component
1uF
Package
0603
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.035g
Electronic Component
1
Electronic Component
BM0227517844
Electronic Component
X5R
Voltage
25V
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.

CGA0603X5R105K250JT 产品概述

一、基本参数

  • 名称:贴片多层陶瓷电容(MLCC)
  • 型号示例:CGA0603X5R105K250JT(常见对应规格表示法)
  • 容值:1.0 μF
  • 精度:±10%(K)
  • 额定电压:25 V DC
  • 温度特性:X5R(-55°C ~ +85°C,介电常数随温度变化)
  • 封装:0603(约 1.6 mm × 0.8 mm)

二、主要特性与优势

  • 高体积效率:在微小的0603封装中提供1 μF的电容量,节省PCB空间,适用于高密度设计。
  • 稳定的介电性能:X5R介质在宽温度范围内具有良好的容值保持性,适合一般电子产品的环境要求。
  • 低等效串联电阻与电感(ESR/ESL)相比钽电容和电解电容表现更优,适合高频去耦与旁路应用。
  • 无极性、宽频响,可靠性高,适合批量贴装和自动化焊接工艺。

三、电气性能与使用注意

  • 温度对容值的影响:X5R规范下容值随温度变化可容许一定幅度(规范限值内),但应以25°C时标称值为设计基准。
  • 直流偏压(DC Bias)效应:高介电常数材料在施加直流电压时容值会显著下降,尤其对1 μF及更大容量的瓷介电容更明显。实际电路中应通过样件测试在工作电压下的真实容值,或采用合适的降额策略。
  • 频率响应:在高频条件下容值和阻抗会发生变化,做滤波或去耦设计时需考虑工作频段的阻抗特性。
  • 推荐降额:对于对电容稳定性要求高的电源旁路,建议在设计时对额定电压进行适当降额(常见经验为使用额定电压的50%左右作为工作电压参考,具体依据电路容忍度与测试结果确定)。

四、典型应用场景

  • 电源去耦与旁路:CPU、MCU或电源管理IC附近,平滑瞬态电流。
  • DC-DC转换器输入/输出滤波:在开关频率范围内提供低阻抗路径。
  • 高频滤波与耦合:射频前端及模拟电路的旁路和滤波网络(需注意频率特性)。
  • 移动设备、消费电子、工业控制与物联网终端等对体积和性能有要求的场合。

五、封装与焊接工艺建议

  • 封装尺寸:0603(实际尺寸以供应商型号书为准),在布板时建议采用供应商推荐的焊盘尺寸与过孔布局以控制应力与焊接可靠性。
  • 回流焊:遵循无铅回流曲线(峰值温度通常≤260°C)并参照制造商的推荐曲线,避免超温和超时。
  • 焊接应力控制:贴片电容对机械应力敏感,避免板边、焊盘过大或不对称焊膏量造成冷却不均或机械应力集中。高速/多次回流时注意热循环对元件的影响。
  • 贴装与清洗:常规贴片生产工艺适用;清洗剂和流程须与元件材料兼容,避免强腐蚀或渗透性溶剂长期接触。

六、可靠性与储存

  • 环境条件:X5R器件适用广泛环境,但长期高温高湿或机械振动环境需做额外可靠性验证。
  • 储存建议:保持原包装密封,避免长期暴露在潮湿或强腐蚀性气体环境中;如包装破损或长期暴露,按供应商说明采取烘烤处理。
  • 质量与测试:关键应用建议参考供应商的寿命、热循环、机械冲击、焊接热稳定性等可靠性测试报告;若用于汽车或医用等高可靠领域,应要求相应的资格认证或等效测试。

七、选型与替代建议

  • 若电路对DC Bias敏感,可考虑使用更低介电常数的X7R或C0G/NP0(耐偏压能力更好但体积更大);或提高额定电压以减少工作电压下的容值衰减。
  • 若需要更好的温漂和频率稳定性,C0G/NP0类无功损耗介质是优选,但容量与体积需在设计允许范围内权衡。
  • 采购时核对制造商数据表、批次一致性、包装形式以及是否具备所需的质量认证(如有)。

以上为CGA0603X5R105K250JT(代表性1 μF、±10%、25 V、X5R、0603)产品的概要说明。实际设计选型与可靠性验证应以采购方最终样片测试及供应商提供的最新数据表为准。

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