WMSIC Electronic Components

PSA FM43X224K631EGG

ModelFM43X224K631EGG
Package1812
BrandPSA
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 25+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
PSA FM43X224K631EGG
Type
PSA
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FM43X224K631EGG
Electronic Component
1
Electronic Component
220nF
Package
1812
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.237g
Electronic Component
1
Electronic Component
BM0257411965
Electronic Component
X7R
Voltage
630V
Electronic Component
Electronic Component
Electronic Component
500

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

FM43X224K631EGG 产品概述

一、产品简介

FM43X224K631EGG 为 PSA(信昌电陶)系列贴片多层陶瓷电容(MLCC),标称容量 220nF,公差 ±10%,额定电压 630V,介质等级 X7R,封装规格为 1812(约 4.5×3.2 mm)。该器件适用于需要高工作电压、小体积、高可靠性的中高压电路,常用于耦合、去耦、滤波与吸收电路。

二、电气与材料特性

  • 标称容量:220 nF(0.22 μF);静态公差 ±10%(25°C)。
  • 额定直流电压:630 VDC。
  • 介质类型:X7R(温度范围 −55°C ~ +125°C,温度下电容变化通常在 ±15% 以内,详见具体规格书)。
  • 封装:1812 尺寸,适合自动贴装与回流焊工艺。
  • 备注:X7R 为Ⅱ类介质,高压与较大体积下存在较明显的直流偏置(DC bias)效应,实际工作电压下的有效电容会随静态偏压下降,应在应用设计时评估。

三、主要优点

  • 高额定电压(630V),适用于中高压开关电源、整流/整流后直流回路以及脉冲耐压场合。
  • 体积小、可靠性高,适合贴片自动化生产。
  • X7R 在宽温区间内提供较好的容量稳定性,适合一般工业温度范围应用。
  • PSA(信昌电陶)提供的量产与质量管控,可满足批量生产需求(具体质量认证与可靠性试验请参考厂家数据表)。

四、典型应用场景

  • 开关电源(SMPS)中的输入/输出去耦与吸收电容。
  • 交流整流后高压直流链路的滤波或旁路(与电解/薄膜电容配合使用)。
  • 抗干扰/EMI 滤波网络、RC/RCL 吸收器与缓冲电路。
  • 工业电源、LED 驱动、测控设备及其它需要高压小体积电容的场合。

五、使用与设计注意事项

  • DC bias:对 X7R 型 MLCC,特别是在高电压(如 630V)下,电容值会随偏压显著下降。设计时应参考厂家 DC-bias 曲线或在实际电压下测量以确认有效容量。
  • 温漂与频率响应:X7R 在低温或高频情况下容量会变化,关键电路应验证温度与频率特性。
  • 机械应力敏感:贴片陶瓷电容对基板弯曲与端焊应力敏感,布线与贴装时应避免在器件两端施加过大机械应力,推荐合理的焊盘设计与支撑。
  • 并联与替代:如需要减小 DC-bias 影响或获得更稳定电容量,可考虑并联多个电容;关键应用中也可与薄膜电容配合使用以提供更好的能量储存与寿命表现。

六、封装与焊接建议

  • 尺寸:1812(约 4.5×3.2 mm),适配常见 1812 封装焊盘布局,具体焊盘尺寸与过孔布局请依据 PSA 官方推荐的 PCB 尺寸。
  • 回流焊:遵循 JEDEC/J-STD-020 标准回流温度曲线(最高回流温度约 260°C),避免长时间过温。
  • 清洗与处理:避免使用可能引起机械振动或超声波清洗的工艺以防器件开裂;储存与贴装环境应控制湿度与避免静电冲击。
  • 可靠性验证:量产前建议进行焊接可靠性、温湿度交变、热冲击和寿命测试(具体测试条件参见厂家数据手册)。

如需完整电气特性曲线(温度特性、DC-bias 曲线、耐压与绝缘电阻、寿命测试数据)和推荐 PCB 焊盘,建议索取 PSA(信昌电陶)FM43 系列的详细数据手册或直接联系厂家技术支持以获得经验证的工程数据。

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