WMSIC Electronic Components

PSA FM32X683K631EGG

ModelFM32X683K631EGG
Package1210
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+

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Technical data

Product details

18 specifications

Core information

Product name
PSA FM32X683K631EGG
Type
PSA
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FM32X683K631EGG
Electronic Component
1
Electronic Component
68nF
Package
1210
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.16g
Electronic Component
1
Electronic Component
BM0264906406
Electronic Component
X7R
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.

FM32X683K631EGG 多层陶瓷电容(MLCC)产品概述

一、产品定位与核心身份

FM32X683K631EGG是PSA信昌电陶推出的一款高压通用型多层陶瓷电容(MLCC),属于X7R温度系数系列,专为中高压电子电路的滤波、耦合、旁路等基础功能设计。其核心优势在于兼顾温度稳定性与成本效益,适配工业、照明、家电等多领域的通用场景,是替代进口同规格产品的高性价比选择。

二、关键参数详解

该电容的参数可通过型号编码快速解析(型号规则:FM32=系列代码,X683=容值,K=精度,631=额定电压,EGG=封装/包装代码),核心参数如下:

  1. 容值:68nF(683表示10³pF,即68000pF=68nF);
  2. 精度:±10%(型号中K为精度代码,对应±10%);
  3. 额定电压:630V DC(631表示63×10¹V=630V,需注意为直流额定电压,交流应用需降额);
  4. 温度系数:X7R(行业标准定义:-55℃~+125℃工作温度范围,容量变化≤±15%);
  5. 环保标准:符合RoHS 2.0、REACH指令,无铅无镉,可用于出口产品。

三、封装与尺寸说明

采用1210表面贴装封装(英制尺寸:0.12英寸×0.10英寸,公制约3.2mm×2.5mm),属于小型化SMD封装,适配自动化贴装设备(回流焊/波峰焊),可有效节省PCB布局空间(相比插件电容节省60%以上面积)。封装引脚间距符合IPC标准,焊接可靠性高,长期使用不易出现虚焊、脱焊问题。

四、X7R材料特性与优势

X7R是MLCC常用的温度稳定型介电材料,相比其他系列具有明显平衡优势:

  • 温度稳定性:比Y5V(-30℃+85℃,容量变化±22%)更宽、更稳定,满足工业环境的高低温波动(如户外设备-40℃+85℃);
  • 成本平衡:比NPO(温度系数极低,但介电常数低、容值小)成本降低30%以上,适合中高压、中等精度的通用场景;
  • 容值密度:介电常数适中(约2000~3000),可实现68nF@630V的容值,避免Y5V的容量温漂过大(如高温下容量下降40%)。

五、典型应用场景

结合630V额定电压与X7R特性,该电容主要应用于中高压电子电路:

  1. 工业电源:开关电源(AC-DC转换)的高压滤波、直流母线旁路电容;
  2. LED照明:LED驱动电源的高压整流滤波、EMI滤波(抑制电磁干扰);
  3. 家电控制:空调、洗衣机等大家电的高压控制板耦合电容(如变频模块信号耦合);
  4. 汽车电子:辅助系统(电动座椅、车窗控制器)的低压端滤波(需降额至440V以下使用);
  5. 通信设备:基站电源的中高压滤波、信号耦合(满足户外基站-40℃~+85℃环境)。

六、可靠性与品牌保障

PSA信昌电陶作为国内陶瓷电容领域的成熟厂商,该产品通过多项工业级可靠性测试:

  • 高温老化测试(125℃×1000小时):容量变化率≤±5%,绝缘电阻≥10⁹Ω;
  • 耐电压测试(1.5×额定电压×1分钟):无击穿、漏电流≤1μA;
  • 湿度测试(85℃×85%RH×1000小时):性能稳定,符合IEC 60384-14标准。
    产品包装采用卷盘式(1000片/盘),便于自动化生产管理,减少人工分拣误差。

七、选型参考与注意事项

  1. 精度升级:若需±5%精度,可选择同系列J档(如FM32X683J631EGG),成本略高15%;
  2. 电压降额:交流应用时,额定电压需降额至直流的70%(即630V×0.7≈441V AC),避免击穿;
  3. 高温场景:若工作温度超过125℃,需更换为X8R系列(-55℃~+150℃);
  4. 容值扩展:若需100nF@630V,可选择同封装的FM32X104K631EGG。

该产品凭借稳定的性能、合理的成本与可靠的品牌保障,已成为中高压电路设计中的主流选型之一。

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