WMSIC Electronic Components

ROQANG RVE1C471M0810

ModelRVE1C471M0810
PackageSMD,D8xL10.2mm
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 RVE1C471M0810
Type
ROQANG
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROQANG
Electronic Component
RVE1C471M0810
Electronic Component
1
Electronic Component
470uF
Package
SMD,D8xL10.2mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
1.28g
Electronic Component
1
Electronic Component
BM0264860493
Electronic Component
2000hrs@105℃
Operating Temperature
55℃~+105℃
Current
450mA@120Hz
Voltage
16V
Capacitor
8mm

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

RVE1C471M0810 产品概述

RVE1C471M0810 是 ROQANG(容强)推出的一款贴片铝电解电容,额定参数为 470 µF、16 V,公差 ±20%,适用于对体积、寿命与滤波能力有综合要求的电源及整流滤波场合。其小巧的 SMD 封装(直径 8 mm、长度 10.2 mm)便于在高密度 PCB 上布板,工作温度范围宽(-55 ℃~+105 ℃),并在 105 ℃ 下具有 2000 小时的设计寿命,适合工业级与消费类电子的中高温环境使用。

一、主要规格摘要

  • 型号:RVE1C471M0810
  • 电容值:470 µF ±20%
  • 额定电压:16 V
  • 纹波电流:450 mA @ 120 Hz
  • 等效串联电阻(ESR):430 mΩ
  • 外形尺寸(电容体):直径 8 mm × 长度 10.2 mm(SMD)
  • 工作温度:-55 ℃ ~ +105 ℃
  • 工作寿命:2000 小时 @ 105 ℃
  • 封装形式:贴片(SMD)
  • 品牌:ROQANG(容强)

二、性能亮点与电气特性

  • 高容值:470 µF 在 D8×L10.2mm 的小体积内提供较高储能,适用于输入、输出滤波和能量缓冲。
  • 合理 ESR:430 mΩ 的 ESR 对于中低频纹波抑制与瞬态响应具有平衡表现,有利于减少电路不稳定与热损耗。
  • 纹波能力:在 120 Hz 下额定纹波电流为 450 mA,按 I_rms^2·ESR 计算,典型纹波损耗约为 0.087 W(0.45^2 × 0.43),为热设计与散热评估提供参考。
  • 工业温度与寿命:-55 ℃~+105 ℃ 宽温设计与 2000 小时 @ 105 ℃ 的寿命,适应严苛工作环境与高温密集板级应用。

三、典型应用场景

  • 开关电源(SMPS)输入/输出滤波与储能。
  • 整流桥后的滤波电容,用于降低交流整流后的纹波。
  • 工业控制设备、仪器仪表电源模块。
  • 消费类设备的音频耦合/去耦(需注意在音频路径对 ESR、噪声的具体影响)。
  • 其他需要体积小、容值大的低频能量储存场合。

四、设计与使用建议

  • 电压降额:为延长寿命并减少电解质老化,建议在实际设计中对额定电压进行适度降额(一般 50%~80% 之间,视可靠性要求和温度环境而定)。
  • 温升管理:纹波电流会导致 ESR 损耗产生热量,建议评估实际工作下的温升并保证电容体工作温度尽可能低于最高额定温度以延长寿命。
  • 并联使用:若需更低 ESR 或更高纹波承载能力,可并联多个相同型号电容;并联可有效降低总 ESR 并分散纹波损耗。
  • 焊接工艺:RVE1C471M0810 为 SMD 结构,推荐使用控制良好的回流焊工艺;为避免电解质性能退化,请按厂方提供的回流温度曲线和时长限制进行焊接。若板级存放时间较长或受潮,焊接前可参考厂方建议进行预烘烤处理。
  • 安装方向与空间:虽为贴片件,但应保证焊盘与焊锡饱满,避免因机械应力导致焊脚损伤;周边元件布局应留有散热空间以利于散热。

五、可靠性与储存

  • 寿命说明:2000 小时 @ 105 ℃ 表示在该高温下电容的典型寿命,实际寿命受工作电压、纹波电流和环境温度共同影响;在较低温度和合适降额条件下,寿命将显著延长。
  • 储存条件:建议在干燥、常温环境下保存,避免强酸强碱及潮湿环境;长期存放前如受潮,请按厂方说明进行封装处理或烘烤恢复。
  • 可靠性检测:建议在量产应用前对电容进行老化、纹波与高温存放测试,验证在目标工作条件下的电气参数变化(电容衰减、ESR 上升等)。

六、选型注意事项

  • 若应用对低 ESR 或高频性能要求高,应同时对比固态电容(钽、固态铝电解)或多层陶瓷电容的并联方案。
  • 关注规格书中关于回流焊、极性、最大允许浪涌电流与期望寿命的详细条件;必要时与供应商沟通获取完整可靠性与热特性数据。

总结:RVE1C471M0810 在体积与容值之间取得良好平衡,适用于多数中等纹波、工业与消费电子电源滤波场合。合理的电压降额、热管理与焊接控制是确保其长期稳定运行的关键。若需要更详细的焊接曲线、寿命加速测试数据或封装建议,请联系 ROQANG 技术支持获取完整规格书。

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