WMSIC Electronic Components

ROQANG CS0J471M-CRE77 CS0J471M

ModelCS0J471M-CRE77
PackageSMD,D6.3xL7.7mm
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 CS0J471M-CRE77
Type
ROQANG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROQANG
Electronic Component
CS0J471M-CRE77
Electronic Component
1
Electronic Component
470uF
Package
SMD,D6.3xL7.7mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
0.514g
Electronic Component
1
Electronic Component
BM0264860537
Electronic Component
1000hrs@105℃
Operating Temperature
40℃~+105℃
Current
120mA@120Hz
Voltage
6.3V
Capacitor
6.3mm

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

CS0J471M-CRE77 — ROQANG(容强) 贴片型铝电解电容 产品概述

一、产品简介

CS0J471M-CRE77 是 ROQANG(容强)推出的一款小型贴片铝电解电容,电容值为 470 µF,额定电压 6.3 V,容差 ±20%。该器件采用 SMD 封装,电容体直径 D=6.3 mm、长度 L=7.7 mm,适用于空间受限的电源旁路、滤波与去耦场合。设计强调高体积电容密度与可靠性,适配移动设备、通信与工业电子等多种应用。

二、主要规格与性能

  • 容值:470 µF(±20%)
  • 额定电压:6.3 V
  • 纹波电流:120 mA @ 120 Hz(额定条件下)
  • 工作温度范围:-40 ℃ ~ +105 ℃
  • 使用寿命:1000 小时 @ 105 ℃
  • 封装形式:SMD,尺寸 D6.3 × L7.7 mm

纹波电流指标给出的是在 120 Hz 条件下的允许交流电流能力;在实际使用中,纹波频率、环境温度与 PCB 散热条件会影响电容发热与寿命,频率越高通常需关注电容的等效串联电阻(ESR)及其在高频下的表现。

三、机械尺寸与封装

CS0J471M-CRE77 为贴片型铝电解电容,标准化圆柱体 SMD 外形,直径 6.3 mm、长度 7.7 mm,便于自动贴装与回流焊工艺。封装小巧,适合对体积有严格限制的应用。设计 PCB 封装时应参考厂商推荐的焊盘尺寸与焊膏模板布局,以保证焊接可靠性与热分布均匀。

四、可靠性与寿命

  • 额定寿命:1000 小时(在 105 ℃ 下工作)
  • 温度耐受:-40 ~ +105 ℃

该系列电容在额定高温条件下经过寿命验证,适用于需要高温工作的场景。为延长使用寿命,建议在实际设计中采用温度与电压降额(例如降低实际工作电压、改善散热),行业常用经验是降低工作温度可显著延长电容寿命(每降低约 10 ℃ 寿命呈显著增长)。

五、典型应用场景

  • 移动设备与便携电子的电源滤波与去耦
  • 低压开关电源的输入/输出滤波
  • 音频电源与耦合回路(注意极性与失配)
  • 工业控制与通信设备中的旁路与缓冲 此型号适合要求体积小、容量较大的低压电源设计场合。

六、设计与选型建议

  • 纹波与 ESR:在高频开关电源中,除关注纹波电流额定值外,还应关注 ESR 对发热与电压纹波的影响,必要时并联陶瓷电容以改善高频旁路性能。
  • 电压与温度降额:若系统长期工作在较高温度或电压接近额定值,建议适度降额(例如降低工作电压或改善散热)以延长寿命。
  • 极性注意:铝电解电容为极性器件,必须注意正负极安装方向,逆接会导致性能下降甚至失效。
  • PCB 布局:为降低焊接应力与热聚集,建议按照厂商封装推荐的焊盘与间距设计,并保证周边有足够散热路径。

七、存储、焊接与注意事项

  • 存储环境:建议在干燥、常温环境中存放,避免长期高温与高湿。出厂后若超过推荐时间再加工,建议进行电气检查。
  • 焊接工艺:支持回流焊批量生产,请遵循厂商推荐的回流曲线与最大加热温度/时间,避免过高的峰值温度与长时间加热造成电介质劣化。
  • 检验与试验:在关键应用中建议进行样品电气与温升测试,确认在目标纹波电流和工作温度下的温升与寿命满足系统要求。

八、订购与包装信息

  • 型号:CS0J471M-CRE77
  • 品牌:ROQANG(容强)
  • 封装:SMD,D6.3 × L7.7 mm 如需大量采购或获取完整数据手册(包括推荐焊盘、回流参数、ESR 等详细电气特性),请联系容强授权渠道或索取最新规格书,以便在设计与生产过程中做到参数核对与可靠性验证。

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