WMSIC Electronic Components

PSA FV55X222K202EFG

ModelFV55X222K202EFG
Package2220
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 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
PSA FV55X222K202EFG
Type
PSA
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FV55X222K202EFG
Electronic Component
1
Electronic Component
2.2nF
Package
2220
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.383g
Electronic Component
1
Electronic Component
BM0264906417
Electronic Component
X7R
Voltage
2kV
Electronic Component
Electronic Component
Electronic Component
1000

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

PSA FV55X222K202EFG 高压贴片MLCC产品概述

一、产品基本信息

FV55X222K202EFG是PSA信昌电陶推出的高压多层陶瓷贴片电容(MLCC),专为高压电子系统的稳定运行设计。核心基本信息如下:

  • 产品型号:FV55X222K202EFG
  • 品牌:PSA(信昌电陶,国内高压MLCC领域主流厂商)
  • 产品类型:高压多层陶瓷贴片电容(MLCC)
  • 封装规格:2220(英制封装,对应公制尺寸约55.88mm×50.8mm)
  • 产品定位:宽温高压稳定型电容,适配工业、医疗等对电压、温度适应性要求高的场景。

二、核心参数详解

该产品的参数直接决定应用场景,以下是关键参数的深度解读:

1. 容值与精度

  • 容值:2.2nF(即2200pF,型号中“222”代表“22×10²pF”)
  • 精度:±10%(型号中“K”为精度代码)
    解读:2.2nF容值适配中等容值需求场景(如高压滤波、耦合);±10%精度满足大多数工业系统的偏差要求,若需更高精度(±5%),可参考同系列“J档”型号。

2. 额定电压

  • 额定电压:2kV DC(型号中“202”代表“20×10²V”)
    解读:标注为直流工作电压(WV DC),2kV远高于常规MLCC(100V~500V),可直接用于高压电源高压侧,无需串联电容降压,简化电路设计。

3. 温度系数

  • 温度系数:X7R(EIA标准)
    解读:X7R定义为「工作温度-55℃~+125℃,容值变化≤±15%(25℃基准)」。相比Y5V(高容但温漂大)、NPO(超稳定但容值小),X7R平衡了稳定性与适应性,适合宽温高压场景。

4. 隐含关键参数

  • 绝缘电阻:≥10⁹Ω(25℃、100V DC下),确保高压漏电流低;
  • 浪涌电压:典型3kV DC(1.5倍额定电压),应对短时间过压。

三、封装与物理特性

2220封装是该产品适配高压的核心设计,具体特性如下:

1. 封装尺寸

  • 英制:2.20in×2.00in(长×宽)
  • 公制:约55.88mm×50.8mm
  • 厚度:1.5mm~2.0mm(高压电容需厚绝缘层降低电场强度)
    优势:大尺寸提供足够电极面积,减少单位面积电场,提升高压耐受能力。

2. 结构设计

采用多层陶瓷叠层结构:陶瓷介质与银钯合金电极交替叠层烧结而成,具备:

  • 高绝缘性:陶瓷介质绝缘电阻远高于有机介质;
  • 低ESR:适合高频滤波场景;
  • 抗应力:贴片封装比插件电容节省PCB空间,适配自动化贴装。

3. 焊盘设计

符合IPC-A-610标准,兼容回流焊、波峰焊,焊接后机械强度优异,适配批量生产。

四、典型应用场景

结合2kV高压、X7R宽温、2.2nF容值,该产品主要应用于:

1. 工业高压电源

  • 应用:开关电源高压滤波、EMI滤波、PFC电路耦合;
  • 原因:2kV直接匹配高压电源输出,X7R温漂小满足工业环境(-20℃~+85℃)稳定需求。

2. 医疗设备

  • 应用:X光机辅助电路、医用激光高压发生器、高压传感器耦合;
  • 原因:医疗设备对可靠性要求极高,该产品通过严格绝缘测试,X7R稳定容值保证信号精度。

3. 汽车高压系统(若通过AEC-Q200)

  • 应用:车载高压充电系统(DC-DC)、电动车高压滤波;
  • 原因:宽温(-40℃~+125℃)匹配汽车环境,2kV满足高压车载需求(需确认AEC-Q200认证)。

4. 通信基站

  • 应用:基站高压电源滤波、射频前端耦合;
  • 原因:基站环境温度变化大(-30℃~+60℃),X7R宽温特性保证长期稳定。

五、产品优势与可靠性

PSA的设计优化与品牌积累,使该产品具备核心优势:

1. 高压耐受能力

  • 额定2kV DC,浪涌3kV DC,可承受短时间过压;
  • 叠层结构优化电场分布,降低局部放电风险。

2. 宽温稳定性

X7R使-55℃~+125℃内,容值变化≤±15%,优于同电压Y5V电容。

3. 高可靠性

  • 银钯电极抗氧化,延长寿命;
  • 绝缘层优化,漏电流≤1μA(2kV DC下);
  • 符合RoHS标准,无铅环保。

4. 生产适配性

2220贴片封装支持自动化贴装,焊接工艺兼容主流产线,降低不良率。

六、选型与使用注意事项

为确保性能,需注意以下要点:

1. 电压降额

高压应用建议降额80%(实际电压≤1.6kV DC),显著延长寿命。

2. 温度范围确认

若环境超出-55℃+125℃,需更换X8R(-55℃+150℃)电容。

3. 焊接工艺控制

  • 回流焊峰值≤245℃(持续≤10s),避免陶瓷开裂;
  • 波峰焊需氮气保护,防止电极氧化。

4. 储存条件

未使用电容需储存在**湿度<60%、温度0℃~30℃**环境,避免受潮。

5. 精度匹配

需±5%精度时,可选择同系列“FV55X222J202EFG”(J代表±5%)。

七、总结

FV55X222K202EFG是一款专为高压场景设计的贴片MLCC,凭借2kV额定电压、X7R宽温稳定性、2220大封装的优势,成为工业、医疗等领域替代传统插件电容的理想选择。PSA的可靠性设计使其在高压系统中表现优异,适配现代电子系统的性能与环保需求。

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