WMSIC Electronic Components

PSA FV42X102K302EFG

ModelFV42X102K302EFG
Package1808
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 FV42X102K302EFG
Type
PSA
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FV42X102K302EFG
Electronic Component
1
Electronic Component
1nF
Package
1808
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.163g
Electronic Component
1
Electronic Component
BM0257411984
Electronic Component
X7R
Voltage
3kV
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.

FV42X102K302EFG 产品概述

一、产品简介

FV42X102K302EFG 是 PSA(信昌电陶)推出的一款高压贴片多层陶瓷电容(MLCC),标称电容量为 1 nF(102),初始容差 ±10%,额定直流电压 3 kV,介质体系为 X7R,封装为 1808(贴片型)。该系列面向高压滤波、耦合、阻尼与一般高压旁路等应用,兼顾体积与耐压性能,适合自动化贴装与批量生产。

二、主要特性

  • 标称电容:1 nF(1000 pF);容差:±10%
  • 额定电压:3000 V DC,高压等级设计,适合中高压场合
  • 介质:X7R(-55℃ 到 +125℃ 下温度特性符合 X7R 规范)
  • 封装:1808 封装,适用主流贴装工艺与自动化生产
  • 结构:多层陶瓷,耐压设计与电极优化,适合高电压工作环境
  • 包装:提供卷带(Tape & Reel)等贴片封装形式,便于 SMT 生产

三、性能与使用注意

  • 温度特性:X7R 介质在 -55℃~+125℃ 范围内有一定的容值漂移(依规范允许范围内),因此对温度稳定性要求极高的精密应用应慎用。
  • 直流偏压效应:X7R 在高静电压下会出现明显的电容量下降,在接近或等于额定 3 kV 工作时,实际有效电容会低于标称值。建议在目标工作电压下进行实测以确认电容变化。
  • 降额建议:为保证长期可靠性与寿命,建议在设计时对额定电压进行适度降额(例如按实际可靠性与环境条件考虑 50%~80% 的降额范围),具体降额比例请根据系统要求与试验数据确定。
  • 焊接与工艺:可采用常规无铅回流焊工艺,需按厂家推荐的回流曲线进行温度控制,避免剧烈热冲击与过度机械应力。焊接后避免强烈振动或弯曲载荷,防止芯片裂纹。
  • 清洗与处理:回流后可进行常规清洗,但应避免超声波清洗或强烈机械清洗方式,以免引起瓷片损伤。

四、典型应用场景

  • 高压电源与高压偏置滤波
  • 高压测试与测量设备耦合与分压回路
  • 医疗影像、光电与显示驱动等需中高压滤波的场合
  • 脉冲电路吸收、阻尼或旁路(需注意 X7R 的电压依赖特性)
  • 其他需要体积小、耐压高的贴片电容应用

五、封装与可靠性

1808 封装在体积与耐压之间提供平衡,适合自动化贴片生产线。PSA(信昌电陶)对高压 MLCC 会有专门的耐压测试与分档检验(如高压焊后测试、表面裂纹检查等),建议在批量投入前与供应商确认具体的出厂检测项目与检验标准(例如耐压测试电压和持续时间、外观等级等),以确保产品满足系统寿命与安全需求。

六、选型与测试建议

  • 设计前在目标工作电压和温度下对单颗电容进行电容量随电压、温度的测量;特别是接近 3 kV 工作时应评估实际有效电容。
  • 如电路对电容稳定性要求高(时间常数、滤波精度),建议评估是否改用介质温漂更小的产品或并联设计以补偿偏差。
  • 采购时确认包装形式与贴片数量,向 PSA 索取产品详细数据手册与回流焊工艺建议,按实际应用环境制定可靠性验证计划(温循环、绝缘阻抗、耐压老化等)。

总结:FV42X102K302EFG 为一款面向中高压场合的 1 nF X7R MLCC,适用于各类需要 3 kV 等级耐压的贴片应用。选型时应关注 X7R 在高场强下的容值变化并按实际工作条件进行降额与验证,以确保系统稳定可靠运行。

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