WMSIC Electronic Components

PSA FV42N330J302ECG

ModelFV42N330J302ECG
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 25+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
PSA FV42N330J302ECG
Type
PSA
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FV42N330J302ECG
Electronic Component
1
Electronic Component
33pF
Package
1808
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.089g
Electronic Component
1
Electronic Component
BM0264906426
Electronic Component
C0G
Voltage
3kV
Electronic Component
Electronic Component
Electronic Component
2000

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

FV42N330J302ECG 高压贴片陶瓷电容产品概述

FV42N330J302ECG是PSA(信昌电陶) 推出的一款高压多层陶瓷贴片电容(MLCC),针对工业级高压场景设计,兼具高耐压、稳定容值与低损耗特性,是高压电源、医疗设备、通信射频等领域的核心被动元件之一。

一、产品核心身份与定位

该型号属于PSA高压MLCC系列中的Class 1(C0G类)产品,聚焦3kV直流耐压、33pF高精度容值的应用需求,区别于普通中低压MLCC,其介质材料与封装设计均适配高压场景下的可靠性要求,可替代同类进口高压电容,满足国内工业设备的国产化需求。

二、关键电气参数详解

  1. 容值与精度:标称容值33pF(标识代码“330”,即33×10⁰),精度±5%(字母“J”),容值一致性高,无需额外校准。
  2. 额定电压:直流3kV(型号中“302”对应30×10²=3000V),为工业级高压应用提供充足安全裕量。
  3. 温度系数:C0G(NP0),温度范围-55℃~125℃,容值变化≤±30ppm/℃,是目前陶瓷电容中温度稳定性最优的类别之一。
  4. 损耗特性:介质损耗角正切(DF)≤0.15%(1kHz测试条件),低损耗可降低高压下的发热,提升电路效率。

三、封装与物理特性

采用1808英制贴片封装(公制等效4520),具体尺寸参考:

  • 长度:4.5mm±0.2mm
  • 宽度:2.0mm±0.2mm
  • 厚度:1.0mm±0.1mm(典型值,依批次略有差异)

封装特点:

  • 无引脚设计,适配自动化回流焊工艺,贴装效率高;
  • 体积紧凑,可满足高密度PCB布局需求;
  • 两端电极采用高导电率金属材料,焊接可靠性强,不易出现虚焊。

包装方式:通常为3000pcs/卷盘(7英寸或13英寸卷盘),方便SMT生产线连续贴装。

四、材料与温度稳定性

FV42N330J302ECG采用C0G类钛酸钡基陶瓷介质,属于Class 1陶瓷电容,核心优势在于:

  • 温度稳定性:容值随温度变化极小,即使在极端温度(-55℃低温或125℃高温)下,容值偏差仍远低于行业标准;
  • 电压稳定性:无直流偏置效应(Class 2电容如X7R会因直流电压导致容值衰减),高压下容值保持稳定;
  • 频率特性:在1kHz~100MHz频率范围内,容值与损耗变化平缓,适合射频匹配、滤波等宽频应用。

五、典型应用场景

该型号广泛应用于需要高耐压、稳定容值的工业与医疗领域:

  1. 工业电源:高压开关电源的EMI滤波、PFC电路辅助电容;
  2. 医疗设备:高压理疗仪、X光机的高压偏置电路、信号耦合电容;
  3. 通信设备:射频功放的阻抗匹配网络、基站高压电源滤波;
  4. 测试仪器:高压信号发生器、示波器探头的高压隔离电容;
  5. 新能源领域:高压电池管理系统(BMS)的高压滤波、绝缘监测电路。

六、品牌与可靠性背书

PSA(信昌电陶)是国内专注陶瓷电容研发生产的龙头企业之一,FV42N330J302ECG具备以下可靠性优势:

  • 环保认证:符合RoHS 2.0、REACH等国际环保标准,无铅无卤;
  • 可靠性测试:经过高温存储(125℃×1000h)、温度循环(-55℃~125℃×500次)、湿度老化(85℃/85%RH×1000h)等测试,满足工业级应用要求;
  • 质量体系:通过ISO 9001质量管理体系认证,产品一致性与稳定性可靠。

七、选型与使用注意事项

  1. 耐压降额:高压应用建议降额20%以上(实际工作电压≤2.4kV),避免长期高压导致介质击穿;
  2. 焊接工艺:回流焊峰值温度控制在240℃~260℃,焊接时间≤10s,避免热应力损坏电容内部结构;
  3. PCB布局:高压电容两端需留足够爬电距离(≥2mm,依PCB板材绝缘等级调整),防止相邻线路短路;
  4. 存储条件:开封前存储于常温干燥环境(温度≤30℃,湿度≤60%),开封后建议1个月内使用完毕,未使用卷盘密封保存。

综上,FV42N330J302ECG以高耐压、高精度、稳定可靠的特性,成为工业高压场景下的优选被动元件,可有效提升电路的稳定性与效率。

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