WMSIC Electronic Components

ROQANG RVT1C681M1010

ModelRVT1C681M1010
PackageSMD,10x10.2mm
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 RVT1C681M1010
Type
ROQANG
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROQANG
Electronic Component
RVT1C681M1010
Electronic Component
1
Electronic Component
680uF
Package
SMD,10x10.2mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
1.736g
Electronic Component
1
Electronic Component
BM0264780407
Electronic Component
2000hrs@105℃
Operating Temperature
40℃~+105℃
Current
322mA@120Hz
Voltage
16V
Capacitor
10mm

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

RVT1C681M1010 产品概述

RVT1C681M1010 是 ROQANG(容强)推出的一款贴片型铝电解电容,额定容量 680µF,额定电压 16V,适用于表面贴装(SMD)工艺。器件体积小巧(电容体直径 10mm × 长度 10.2mm),在要求较大电容量但空间受限的电源与滤波场合具有良好性价比与热稳定性。下文从性能特性、典型应用、设计与使用要点等方面对该型号给出实用说明,便于工程选型与电路设计。

一、主要参数概览

  • 型号:RVT1C681M1010
  • 品牌:ROQANG(容强)
  • 电容值:680µF,公差 ±20%
  • 额定电压:16V
  • 纹波电流:322mA @ 120Hz
  • 封装:SMD(贴片),电容体尺寸 D10 × L10.2 mm
  • 工作温度范围:-40°C ~ +105°C
  • 寿命:2000 小时 @ 105°C
  • 极性:有极(铝电解电容,注意正负极)

二、产品特点与性能要点

  • 体积紧凑:10×10.2mm 的小尺寸便于在空间受限的板上集成,可用于高密度布局的便携或模块化产品。
  • 大容值:680µF 在低压电源滤波与储能应用中能提供较好的瞬态响应和低频纹波抑制能力。
  • 纹波能力:标称 322mA@120Hz,适合中小功率 DC-DC、线性稳压器后端的滤波使用。实际应用时需按工作频率(开关电源为更高频率)换算并考虑热升影响。
  • 高温寿命:2000 小时 @ 105°C,适合工业级温度要求;可通过温度换算法估算在较低温度下的等效寿命。

三、寿命与可靠性换算(工程参考)

铝电解电容的寿命通常随温度降低而显著延长。按常用经验法则(温度每降低 10°C 寿命翻倍),RVT1C681M1010 在 85°C 下的估算寿命约为 8000 小时(仅供参考,具体以厂方曲线或实测为准)。在设计中建议对关键系统做加速寿命验证或与供应商确认详细寿命-温度曲线。

四、典型应用场景

  • 开关电源与线性电源的输出滤波与储能
  • DC-DC 变换器输入侧的去耦与抑制纹波(需关注高频等效串联电阻 ESR)
  • 嵌入式系统电源模块、通信设备和便携仪器的本地去耦
  • 电源启动瞬态能量支持、旁路与稳定环路使用

五、设计与选型建议

  • 额定电压与降额:建议在系统设计时对额定电压进行适当降额以延长寿命与提高可靠性,尤其是在高温或关键电源上,常见做法为按 60%–80% 范围考虑降额;具体降额比例应结合系统应力与寿命需求确定。
  • 纹波电流匹配:比较实际工作频率及纹波电流与器件标称值,注意在高频开关电源下有效纹波电流可能不同,应参考厂方的频率特性或在设计中加并联陶瓷电容以分担高频部分。
  • 并联与串联:相同型号的电容并联可增大容量并降低等效 ESR,但要留意整体热量集中;严禁串联使用以提升电压,除非配备平衡电阻与专门设计。
  • PCB 布局:保证良好散热路径,尽量靠近电源负载放置,缩短引线/走线以减少寄生感抗。标注明确极性(负极通常有醒目标记),避免反向或过压。
  • 焊接工艺:遵循厂方推荐的回流温度曲线与预热/冷却要求;若无详细资料,采用低应力回流并做首件与可靠性验证。

六、储存与使用注意事项

  • 储存环境应干燥避光,避免长期在高温高湿条件下存放。
  • 长期库存后在装配前应进行开封检查和必要的婴烘或恢复处理(参考供应商说明)。
  • 使用时关注电解液可能随寿命劣化引起的漏电流与 ESR 变化,必要时在设计中预留维护与更换窗口。

总结:RVT1C681M1010 以其紧凑尺寸与较大容量,适合用于中低压电源滤波与去耦场合。选型时应关注纹波电流、温度对寿命的影响以及降额策略,配合合理的 PCB 布局和焊接工艺,可在空间受限的工业/消费类电源设计中提供可靠的滤波性能。如需更详细的电气特性(如 ESR、阻抗随频率曲线、回流曲线)或样品测试数据,建议向 ROQANG 或授权代理索取完整规格书与测试报告。

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