WMSIC Electronic Components

ROQANG VT1J470M0810

ModelVT1J470M0810
PackageSMD,8x10.2mm
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 VT1J470M0810
Type
ROQANG
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ROQANG
Electronic Component
VT1J470M0810
Electronic Component
1
Electronic Component
47uF
Package
SMD,8x10.2mm
Electronic Component
SMD Aluminum Electrolytic Capacitor
Electronic Component
±20%
Electronic Component
1.16g
Electronic Component
1
Electronic Component
BM0264860464
Electronic Component
2000hrs@105℃
Operating Temperature
40℃~+105℃
Current
125mA@120Hz
Voltage
63V
Capacitor
8mm

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

VT1J470M0810 产品概述

一、产品简介

VT1J470M0810 为 ROQANG(容强)品牌的一款贴片型铝电解电容,规格面向中高压、小体积安装需求。其主要参数如下:

  • 容值:47 μF ±20%
  • 额定电压:63 V
  • 纹波电流:125 mA @ 120 Hz
  • 外形尺寸(电容体):直径 8 mm × 长度 10.2 mm(D8 × L10.2 mm)
  • 封装形式:SMD(贴片)
  • 工作温度:-40 ℃ ~ +105 ℃
  • 工作寿命:2000 小时 @ 105 ℃

该器件适用于要求中等容量、高压耐受、受限空间内的滤波与退耦场合,兼顾了体积与电压耐受性的平衡。

二、主要特性说明

  1. 高电压耐受:63 V 的额定电压使得本型号适配更高工作电压的电源电路与开关电源输出侧,能替代较大体积的低压电容以实现体积缩减。
  2. 小尺寸封装:D8×L10.2mm 的紧凑封装便于在空间受限的PCB上布局,适合表贴自动化加工。
  3. 工作温度与寿命:2000 小时 @ 105 ℃ 的寿命指标表明在高温工况下仍具备可预测的可靠性,需根据使用环境对寿命进行评估与退化考虑。
  4. 纹波电流能力:125 mA @ 120 Hz 的额定纹波电流适合中低功率滤波场景;高频纹波或更高电流情况下需注意功耗/发热和寿命影响。
  5. 温度与电容漂移:与多数铝电解电容相同,容值会随温度和施加直流偏压发生变化,应在电路设计时考虑有效电容和ESR变化对性能的影响。

三、典型应用场景

  • 开关电源(SMPS)输出滤波与能量储备
  • DC-DC 转换器输入/输出滤波
  • 工业控制与测控设备的电源滤波
  • 仪器仪表、通讯设备中需承受较高工作电压的电源回路
  • 对尺寸和高度有限制的消费类或工业类电路板上作为去耦/缓冲元件

四、设计与使用建议

  1. 极性与安装:为铝电解电容,必须严格遵循正负极连接,封装表面有极性标识;在布局时保证极片顶端通气孔方向不受遮挡。
  2. 额定电压退让:为延长寿命建议在可能情况下采用电压退让(即工作电压低于额定电压),并遵循系统设计的余量原则与制造商推荐。
  3. 纹波与温升管理:电容承受纹波电流时会产生发热,若实际纹波电流接近或超过额定值需评估温升并通过在布局上增加散热或并联多只电容分担纹波来降低单只发热。
  4. PCB 封装与焊接:虽为SMD封装,但不同型号对回流曲线敏感性不同,建议按 ROQANG 官方资料采用推荐的回流温度曲线与焊盘尺寸。焊盘设计应兼顾机械支撑和焊点可靠性,避免极端应力集中。
  5. 工作环境考虑:长时间高温会加速电解液老化,若工作环境长期靠近 105 ℃,需评估是否选择更高寿命等级或降额使用。

五、可靠性与储存

  • 使用寿命:2000 小时 @ 105 ℃ 为典型寿命指标,实际寿命受工作电压、纹波电流与环境温度影响。
  • 储存建议:应在干燥、常温环境中保存,避免阳光直射与高湿。若器件在高湿条件下存放较长时间,回流焊前可按厂家建议进行预烘烤以除湿。
  • 质量检查:在关键应用中建议对首批量产件做随机电气测试(容量、等效串联电阻 ESR、漏电流)以确认批次一致性。

六、选型与替代注意事项

选择 VT1J470M0810 时,应确认系统实际峰值电压、纹波频率与幅值、允许温升与寿命要求。若需要更高纹波电流能力或更长寿命,可考虑并联多只同容值电容、选择更高额定电压或更高温度/寿命评级的型号。替换器件时注意封装尺寸、极性、额定电压、纹波电流与寿命参数的逐项匹配。

七、总结

VT1J470M0810(ROQANG)是一款面向中高压、体积受限场合的贴片铝电解电容,提供 47 μF/63 V 的容量与中等纹波处理能力,适用于各种电源滤波与退耦场景。合理的电压退让、纹波管理和热控设计可以显著提升其在实际系统中的可靠性与寿命。欲获得最优性能,请结合实际应用工况参考厂方详细数据手册与焊接说明。

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