WMSIC Electronic Components

ROQANG RVT1E680M0605

ModelRVT1E680M0605
Package6.3x5.4mm
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 RVT1E680M0605
Type
ROQANG
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROQANG
Electronic Component
RVT1E680M0605
Electronic Component
1
Electronic Component
68uF
Package
6.3x5.4mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
0.476g
Electronic Component
1
Electronic Component
BM0264860477
Electronic Component
2000hrs@105℃
Operating Temperature
40℃~+105℃
Current
55mA@120Hz
Voltage
25V
Capacitor
6.3mm

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

RVT1E680M0605 产品概述

一、产品简介

RVT1E680M0605 是 ROQANG(容强) 推出的贴片铝电解电容,标称电容值 68µF,额定电压 25V,公差 ±20%。电容体尺寸为 D6.3×L5.4mm,适用于空间受限的表面贴装电路板。该型号工作温度范围 -40℃ 至 +105℃,在 105℃ 时的额定寿命为 2000 小时,120Hz 纹波电流为 55mA(典型测试条件)。

二、主要电气与机械参数

  • 电容值:68µF(±20%)
  • 额定电压:25V DC
  • 纹波电流:55mA @ 120Hz
  • 温度范围:-40℃ ~ +105℃
  • 寿命:2000 hrs @ 105℃
  • 封装/尺寸:SMD,D 6.3mm × L 5.4mm
  • 极性:有极性(请注意正负极安装)

这些参数决定了本型号在小尺寸、高容值场合的应用定位,特别适合对容量要求较高但对纹波电流不大的低功耗电源与滤波电路。

三、应用场景

  • 低功耗嵌入式设备和传感器电源滤波与去耦
  • 小型线性/开关电源的输出滤波(在纹波电流允许范围内)
  • 声音设备的耦合与旁路(需注意极性和漏电流)
  • 时钟/实时时钟后备电源和缓冲电源回路
  • 便携式消费电子中作为体积受限的旁路电容

不建议将此型号用于大电流开关电源主滤波或高频高纹波场合,除非经过系统级验证确认纹波和温升在允许范围内。

四、设计与选型建议

  • 电压去额定:为延长寿命并降低漏电流,建议实际工作电压低于额定电压的 80%(视应用和温度而定)。
  • 温度管理:在靠近发热元件或高温环境下,电容寿命会明显缩短,建议布局时为电容提供良好散热路径并避开高温源。
  • 纹波裕量:设计时应将实际纹波电流与标称 55mA @ 120Hz 对比,考虑留出安全裕量,避免长期超额纹波导致寿命下降。
  • 极性确认:为有极性器件,PCB 贴装时必须严格区分正负极,并在布局与丝印上明确标注。

五、安装、回流与可靠性注意事项

  • 回流焊:遵循厂家或通用 SMD 回流曲线,避免长时间超温。若无厂家曲线,按常规无铅回流工艺进行预热与峰值控制,避免超过元件允许的热应力。
  • 力学应力:贴片电容在波峰或回流后不要再进行强力弯曲或拉拽,焊接后避免在焊点处施加机械应力。
  • 储存与保养:建议干燥、低温(常温)储存,避免潮湿、高温环境。长时间放置后首次使用前可进行电气修复(限流充电)以恢复电解质性能。
  • 失效特征:常见失效包括电容值下降、等效串联电阻(ESR)上升、漏电流增加甚至电容鼓包或泄漏。发生上述现象时应更换并检查工作条件是否超出规格。

六、选型与替代注意

在进行型号替换或并联使用时,注意匹配额定电压、温度等级、纹波能力与封装尺寸。并联电容时尽量选择相同型号以避免不均流。若需要更高纹波承受能力或更低 ESR,可考虑固体电解质或铝电解低 ESR 专用系列,但需权衡尺寸与成本。

总结:RVT1E680M0605 以其小尺寸与相对较高容量,适合各类空间受限的滤波与去耦应用。正确的电压去额定、温度控制与合适的 PCB 布局是保证其长期可靠性的关键。

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