WMSIC Electronic Components

PSA FM43N103J631EEG

ModelFM43N103J631EEG
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 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
PSA FM43N103J631EEG
Type
PSA
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FM43N103J631EEG
Electronic Component
1
Electronic Component
10nF
Package
1812
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.18g
Electronic Component
1
Electronic Component
BM0264820261
Electronic Component
C0G
Voltage
630V
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.

FM43N103J631EEG 多层陶瓷电容器(MLCC)产品概述

FM43N103J631EEG是PSA信昌电陶推出的一款中高压C0G温度系数多层陶瓷电容器(MLCC),凭借稳定的电气性能、高压耐受能力与紧凑封装,广泛适用于工业控制、电源滤波等对容值精度要求较高的场景。

一、产品核心身份与品牌背景

这款电容属于PSA信昌电陶的高压MLCC产品线,型号中“FM43”为品牌系列标识,“N103J631EEG”对应具体参数与封装规格。PSA(信昌电陶)作为国内专业陶瓷元件制造商,专注于MLCC、高压陶瓷电容的研发与生产,产品覆盖消费电子、工业、新能源等领域,以“高可靠性、宽温度适应性”为核心优势,通过多项行业认证(如RoHS、AEC-Q200部分型号)。

二、关键电气性能参数详解

1. 容值与精度

标称容值为10nF(10³pF),精度等级为**±5%**(型号中“J”代表该精度),满足大多数需要中等精度的电路需求,无需额外校准即可稳定工作。

2. 额定电压

额定直流电压为630V(型号中“631”为厂商标注习惯),属于中高压MLCC范畴,可承受较高工作电压,避免过压击穿风险,适配中高压电路的电压波动场景。

3. 温度系数

采用C0G(NP0)温度系数,容值随温度变化极小(典型变化率≤±30ppm/℃),在-55℃~+125℃宽温范围内保持容值稳定,远优于X7R、Y5V等温度系数系列,是对容值稳定性要求高的电路首选。

三、封装与物理特性

1. 封装类型

采用1812表面贴装(SMD)封装(英制尺寸,对应公制约4.5mm×3.2mm),适配自动化贴装生产线,安装效率高,适合高密度PCB布局。

2. 物理尺寸

参考PSA标准规格,典型尺寸为:长4.5±0.2mm、宽3.2±0.2mm、厚度1.0±0.1mm,体积紧凑,可有效节省PCB空间。

3. 端接与电极

采用镍电极(Ni)+ 无铅端接(符合RoHS指令),焊接兼容性好,支持回流焊、波峰焊等工艺,长期使用中不易出现端接脱落问题。

四、稳定性与可靠性表现

1. 温度稳定性

C0G系列的核心优势在于“零温度漂移”,容值随温度变化可忽略,即使在极端温度下(如工业现场的低温或高温环境),也能保证电路性能稳定。

2. 高频特性

高频损耗低(DF≤0.15%@1kHz),谐振频率高,适合射频电路、高频滤波等应用,信号失真小,不影响高频信号传输质量。

3. 长期可靠性

产品经过高温老化、湿度循环、机械振动等多项可靠性测试,满足工业级标准,使用寿命可达10万小时以上,可应对复杂工作环境的长期考验。

五、典型应用场景

  1. 工业控制电路:PLC、伺服驱动器中的滤波、耦合电路,承受较高工作电压,保证信号传输稳定;
  2. 电源滤波:开关电源、LED驱动电源的高压滤波,滤除高频噪声,提升电源输出质量;
  3. 振荡与定时电路:石英晶体振荡器的负载电容、定时电路中的定时电容,利用C0G的稳定特性保证频率/时间精度;
  4. 医疗电子:部分中高压医疗设备(如监护仪、理疗设备)中的信号耦合、滤波,符合高可靠性要求;
  5. 新能源领域:光伏逆变器、充电桩中的高压辅助电路,耐受宽温与电压波动。

六、应用注意事项

  1. 电压降额:实际工作电压需低于额定电压的80%(≤504V),避免长期过压导致电容老化;
  2. 温度范围:适用温度为-55℃~+125℃,需确保工作环境温度在该范围内;
  3. 焊接工艺:无铅焊接时,回流焊温度峰值≤245℃,时间≤10秒,避免热应力损坏;
  4. 机械应力:1812封装需注意PCB弯曲应力(≤0.5%),避免安装过程中机械损伤。

FM43N103J631EEG凭借高压耐受、稳定容值、紧凑封装等特性,成为中高压电路中C0G系列MLCC的优质选择,适用于多领域对可靠性与稳定性要求较高的场景。

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