WMSIC Electronic Components

PSA FP31N392J631EEG

ModelFP31N392J631EEG
Package1206
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 FP31N392J631EEG
Type
PSA
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FP31N392J631EEG
Electronic Component
1
Electronic Component
3.9nF
Package
1206
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±5%
Electronic Component
0.068g
Electronic Component
1
Electronic Component
BM0264906342
Electronic Component
C0G
Voltage
630V
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.

FP31N392J631EEG 贴片多层陶瓷电容(MLCC)产品概述

FP31N392J631EEG是PSA信昌电陶推出的高性能高压贴片多层陶瓷电容(MLCC),针对高可靠性、稳定容值需求的场景定向开发,核心参数匹配工业级、通信级等领域的严苛要求。以下从多维度解析其产品特性与应用价值:

一、产品核心身份与品牌背景

该型号隶属于信昌电陶(PSA)的高压MLCC产品线,信昌电陶作为国内专注陶瓷电容研发生产的企业,在高压、高稳定MLCC领域具备成熟技术积累,产品覆盖消费电子、工业、通信等多行业。FP31N392J631EEG是其针对630V高压场景+C0G稳定介质的定向型号,符合RoHS等环保标准,可直接用于绿色电子设备设计。

二、关键电气性能参数解析

产品核心参数直接决定适用场景,具体如下:

  • 容值与精度:标称容值3.9nF(即3900pF),标识编码“392J”——“39”为有效数字,“2”表示10²倍(39×10²=3900pF),“J”对应±5%精度,满足大部分精密电路的容值误差要求;
  • 额定电压:630V直流(DC)额定电压,是核心高压特性,可稳定承受630V以内直流工作电压,避免过压击穿风险;
  • 温度系数:采用C0G(NP0)介质,是MLCC中稳定性最高的介质类型之一,容值随温度变化极小(典型±30ppm/℃以内),电压系数可忽略,几乎不随工作电压波动;
  • 频率特性:C0G介质高频损耗低,谐振频率高(1206封装典型值可达数GHz量级),适合高频电路应用。

三、物理封装与工艺特性

  • 封装规格:采用1206英制贴片封装(对应公制3216,即长3.2mm×宽1.6mm),尺寸紧凑,适配高密度PCB布局,支持自动化贴装生产,符合电子设备小型化趋势;
  • 结构设计:多层陶瓷叠层结构,电极与介质层交替印刷烧结而成,确保容值稳定与高压绝缘性能;
  • 焊接兼容性:表面贴装端子(SMD)设计,兼容常规回流焊、波峰焊工艺,焊接后端子附着力强,可靠性高。

四、C0G介质的核心优势

C0G(EIA命名,旧称NP0)是该型号的核心介质材料,特性显著区别于X7R、Y5V等常规介质:

  1. 容值稳定性:温度从-55℃到125℃变化时,容值漂移≤±0.3%(远低于X7R的±15%),电压从0到额定值变化时,容值变化可忽略;
  2. 低损耗:高频下介质损耗角正切值(tanδ)极小(典型≤0.001),适合高频滤波、振荡电路等对损耗敏感的场景;
  3. 高可靠性:陶瓷介质绝缘电阻高(典型≥10¹²Ω),老化率低,长期使用容值衰减可忽略,适合高可靠场景。

五、典型应用领域

结合高压(630V)、高稳定(C0G)、小封装(1206)的特性,该型号主要应用于:

  1. 工业电源系统:高压直流滤波(如开关电源高压母线滤波)、EMI/RFI抑制;
  2. 高频通信设备:基站射频电路、卫星通信终端的振荡回路、滤波网络;
  3. 医疗电子设备:精密监护仪、诊断设备的高压控制电路(需稳定容值保障测量精度);
  4. 测试测量仪器:示波器、信号发生器的高频滤波与耦合电路;
  5. 汽车电子:部分高压辅助系统(如电动车辆DC-DC转换电路)的滤波环节(需确认具体车规要求,该型号常规为工业级)。

六、选型与使用注意事项

  1. 电压匹配:工作电压需低于630V DC,若涉及交流电压,需按“交流峰值电压≤直流额定电压”原则选型;
  2. 温度范围:C0G介质常规工作温度为-55℃~125℃,需确认环境温度是否在该范围内;
  3. 机械应力:陶瓷介质易碎,焊接后避免对电容施加弯曲、挤压等机械应力;
  4. 存储条件:需在温度25±5℃、湿度≤60%的环境下存储,开封后建议1年内使用完毕,避免受潮影响焊接性能;
  5. 焊接工艺:回流焊温度需符合信昌电陶工艺规范(典型峰值温度240~250℃,时间≤30s),避免温度过高导致介质开裂。

该型号凭借高压、高稳定、小封装的综合优势,成为工业、通信等领域高压精密电路的优选MLCC之一,可满足多种严苛场景的性能需求。

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