WMSIC Electronic Components

ROQANG RVE1E471M1010

ModelRVE1E471M1010
PackageSMD,D10xL10.2mm
BrandROQANG
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

19 specifications

Core information

Product name
ROQANG RVE1E471M1010
Type
ROQANG
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROQANG
Electronic Component
RVE1E471M1010
Electronic Component
1
Electronic Component
470uF
Package
SMD,D10xL10.2mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
1.754g
Electronic Component
1
Electronic Component
BM0264860488
Electronic Component
2000hrs@105℃
Operating Temperature
55℃~+105℃
Current
610mA@120Hz
Voltage
25V
Capacitor
10mm

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

RVE1E471M1010 产品概述

RVE1E471M1010 是 ROQANG(容强)推出的一款小型贴片铝电解电容器,额定容量 470 μF、额定电压 25 V,封装规格为 SMD,电容体尺寸 D10 × L10.2 mm。该型号面向对体积、成本与电容值有平衡要求的消费类与工业类电子设备,适用于各种电源滤波与去耦场合。

一、主要技术参数速览

  • 标称电容:470 μF
  • 容差:±20%
  • 额定电压:25 V
  • 纹波电流:610 mA @ 120 Hz
  • 等效串联电阻(ESR):300 mΩ(典型/标称)
  • 封装与外形:SMD,电容体直径 10 mm,长度 10.2 mm(D10×L10.2)
  • 工作温度范围:-55 ℃ ~ +105 ℃
  • 额定寿命:2000 小时 @ 105 ℃
  • 品牌:ROQANG(容强)

二、产品特性与优势

  • 小体积高容量:在 D10×L10.2 mm 的紧凑包封中实现 470 μF 容值,便于在空间受限的 PCB 上使用。
  • 可靠的高温寿命:2000 小时 @ 105 ℃ 的额定寿命适合短期高温工况或一般工业环境。
  • 适用广泛的温度范围:-55 ℃ 至 +105 ℃,适用于绝大多数商用与工业温度需求。
  • 良好纹波处理能力:610 mA@120 Hz 的纹波电流能力在中小功率开关电源输出滤波与稳压器输出端表现可靠。
  • 标准化 SMD 封装:便于自动化贴片与回流焊工艺,提高制造效率。

三、典型应用场景

  • 开关电源(SMPS)输出端滤波、稳压器后端的滤波与去耦
  • DC-DC 模块与电源管理系统的小型化设计
  • 消费电子产品、便携设备的主电源滤波
  • 工业控制与通信设备中的去耦与储能补偿 注:用于高脉冲电流或高频大电流场合时,请根据实际纹波电流与温升评估并采用并联或更高规格器件。

四、设计与使用建议

  • 极性注意:此为铝电解电容,具有极性,安装时必须确认正负极方向,避免反接导致性能下降或失效。
  • 电压与温度降额:为延长寿命与提高可靠性,建议在设计时适当降额使用(例如在非极限条件下可考虑采用额定电压的 70%~80%)。高温会显著缩短电容寿命,应尽量降低器件实际工作温度。
  • 纹波与 ESR 管理:纹波电流导致电容自热,ESR 是主要发热因素。确保实际工作纹波电流不超过标称值并留有裕量;必要时并联多个电容以降低 ESR 和分散热量。
  • PCB 布局:尽量将电容靠近电源引脚或稳压器输出端放置,减小环路面积以降低寄生感抗和噪声。遵循良好焊盘设计与热沉考虑,便于散热。
  • 焊接工艺:采用标准回流焊流程并遵循器件制造商的焊接曲线建议,避免峰值温度超时。回流后建议静置以便电解质平衡,再上电测试。

五、可靠性与存储注意

  • 寿命说明:2000 小时 @ 105 ℃ 表示在该高温条件下的额定寿命;常温与降低工作温度会显著延长实际寿命。
  • 贮存与烘烤:长期存放前请遵守干燥、防潮要求。若器件在潮湿条件下暴露过久,回流焊前建议按厂家建议进行烘烤以去除吸收的水分。
  • 反向电压与浪涌:铝电解电容对反向电压敏感,禁止反向或超额突波电压,应在电路中考虑保护措施(如限流、二极管防反接等)。

六、替代方案与选型建议

  • 若要求更低 ESR、更高纹波承受能力,可考虑并联多个相同规格的电容或选择更大规格的铝电解/固态电容(如固体铝电解或钽电容、聚合物电容等),但需权衡成本、体积与可靠性。
  • 在高温长期运行或对寿命有严格要求的场合,优先评估更高寿命等级或更高额定电压与温度等级的产品。

RVE1E471M1010 以其小巧的 SMD 封装、适中的电容值与良好的纹波性能,适合常见电源滤波与去耦应用。在具体采纳前,请结合实际电路工作电压、纹波电流与环境温度对使用寿命与可靠性做出综合评估,如需更详细的焊接曲线或封装资料,建议联系 ROQANG 厂家获取器件数据手册。

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