WMSIC Electronic Components

PSA FM21X103K251ECG

ModelFM21X103K251ECG
Package0805
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 FM21X103K251ECG
Type
PSA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PSA
Electronic Component
FM21X103K251ECG
Electronic Component
1
Electronic Component
10nF
Package
0805
Electronic Component
SMD Capacitor(MLCC)
Electronic Component
±10%
Electronic Component
0.039g
Electronic Component
1
Electronic Component
BM0265312987
Electronic Component
X7R
Voltage
250V
Electronic Component
Electronic Component
Electronic Component
3000

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

FM21X103K251ECG 高压贴片电容(MLCC)产品概述

一、产品基本信息

FM21X103K251ECG是PSA信昌电陶推出的一款高压多层陶瓷贴片电容(MLCC),核心定位为中高压电路的滤波、耦合与储能元件。其参数清晰明确,适配多场景需求:

  • 容值:10nF(编码“103”,即10×10³ pF);
  • 精度:±10%(编码“K”,满足工业/消费类电路的常规精度要求);
  • 额定电压:250V DC(编码“251”,即25×10¹ V,适配中高压直流电路);
  • 温度系数:X7R(符合EIA标准,-55℃~+125℃范围内容值变化≤±15%);
  • 封装尺寸:0805(英制,公制2012,即2.0mm×1.2mm,适配自动化贴装);
  • 环保标准:符合RoHS 2.0、REACH法规,无铅无卤。

二、核心技术特性

该型号电容的性能优势集中在高压稳定性、宽温适应性与封装兼容性三个维度:

  1. 宽温下的容值稳定性
    X7R介质是核心亮点——在-55℃至+125℃的宽温度区间内,容值变化幅度不超过±15%,远优于Y5V等低稳定性介质,可应对工业车间、家电内部的温度波动。
  2. 可靠的高压耐受能力
    额定250V DC结合信昌陶瓷叠层工艺,可稳定承受直流中高压负荷;若用于低频交流电路(<1kHz),需注意交流峰值电压不超过额定值的70%,避免介质击穿。
  3. 小封装高密度集成
    0805封装属于贴片电容主流小尺寸,适配自动化产线,可节省PCB空间,尤其适合紧凑型电源模块、小型工业控制器的设计。
  4. 低损耗高频特性
    MLCC固有的低等效串联电阻(ESR)、低等效串联电感(ESL),使该电容在高频电路中仍保持低损耗,适合EMI滤波、射频辅助耦合。

三、典型应用场景

FM21X103K251ECG的性能匹配多领域中高压需求,核心应用包括:

  1. 工业控制与自动化
    PLC、伺服驱动器、变频器的电源滤波与信号耦合——宽温稳定性可适应车间-10℃~+60℃环境,高压规格满足驱动电路需求。
  2. 开关电源与电源模块
    24V/48V工业电源的输出滤波、EMI抑制——低ESR减少电源纹波,提升输出稳定性。
  3. 消费电子与家电
    变频空调、高端洗衣机的控制板高压电路——X7R宽温特性应对压缩机工作时的高温。
  4. 通信设备辅助电路
    基站电源模块、光模块的滤波元件——小封装适配高密度集成设计,低损耗保障信号质量。
  5. 汽车电子周边电路
    12V/24V车载系统的辅助高压电路(如车载充电器滤波)——虽未标注AEC-Q200,但宽温特性可满足非安全关键场景。

四、选型与使用注意事项

为保障长期可靠性,需注意以下要点:

  1. 电压降额设计
    实际使用中,直流电压≤200V(额定80%),交流峰值≤175V(额定70%),避免过压老化。
  2. 温度范围匹配
    若场景温度超出-55℃+125℃(如高温炉附近),需更换X8R(-55℃+150℃)或C0G电容。
  3. PCB焊盘设计
    0805封装焊盘建议1.6mm×1.0mm(公制),间距匹配贴装精度,避免“立碑”“虚焊”。
  4. 无极性安装
    MLCC无极性,无需区分正负极,简化设计与生产。
  5. 系列兼容性
    信昌FM21X系列包含101(100pF)、102(1nF)、104(100nF)等容值,可按需搭配。

五、品牌与品质保障

PSA信昌电陶是国内MLCC老牌厂商,拥有20余年研发生产经验,产品覆盖多领域。该型号经过严格测试:

  • 高温老化:125℃下72小时,容值变化≤±5%;
  • 湿度测试:85℃/85%RH下1000小时,无失效;
  • 振动测试:10~2000Hz,2g加速度,无结构损坏。
    同时符合ISO9001与RoHS标准,适合批量工业应用。

该产品以高性价比、稳定性能成为中高压电路的可靠选择,可满足多数工业与消费类场景的核心需求。

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