WMSIC Electronic Components

EXC24CE900U

ModelEXC24CE900U
PackageSMD-4P,1.2x1mm
BrandPANASONIC
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

19 specifications

Core information

Product name
PANASONIC EXC24CE900U
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
EXC24CE900U
Electronic Component
1
Package
SMD-4P,1.2x1mm
Electronic Component
Common Mode Filter
Electronic Component
0.016g
Voltage
125V
Electronic Component
1
Channel Count
2
Electronic Component
BM0264224046
Operating Temperature
40℃~+85℃
Voltage
5V
Current
160mA
@Frequency
90Ω@100MHz
Resistor(DCR)
1.75Ω

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

松下EXC24CE900U共模噪波滤波器产品概述

松下EXC24CE900U是一款针对Mbps级高速信号传输优化的双通道共模噪波滤波器,专为电子设备的电磁干扰(EMI)抑制与信号完整性保障设计,兼具高性能、小型化与宽温适应性,广泛适配消费电子、工业控制等多领域应用。

一、产品定位与核心属性

该滤波器属于松下EMC元件系列中的高速信号专用型号,核心定位为双路信号线路的共模噪声抑制,支持差分信号(如RS485、USB1.1/2.0)或双路单端信号的同步滤波,无需多器件并联即可实现双路干扰防护,简化电路设计的同时提升集成度。作为“Mbps对应品”,其针对10Mbps及以上高速信号传输的噪声特性优化,在衰减共模干扰的同时,最大程度保留有用差模信号的完整性。

二、关键性能参数深度解析

1. 通道与阻抗特性

  • 2通道配置:同步覆盖双路信号线路,适配差分总线或双路并行信号,减少器件数量与PCB占用;
  • 共模阻抗90Ω@100MHz:100MHz是高速信号(如USB2.0、以太网低速段)常见的干扰频段,90Ω的共模阻抗可有效衰减该频段内的共模噪声(典型衰减量达20dB以上),同时对差模信号的衰减可忽略(<1dB),保障信号传输质量。

2. 电流与电压规格

  • 额定电流160mA:满足大多数低压信号线路的电流需求(如低功耗数据总线、传感器接口),连续工作无过热风险;
  • 额定电压5V:匹配主流3.3V/5V数字电路系统,兼容性强;
  • 耐电压125V:线间/线壳绝缘耐电压达125V,提供过压防护冗余,可抵御静电放电(ESD)、电源浪涌等瞬间过压冲击。

3. 直流损耗与温度范围

  • 直流电阻(DCR)1.75Ω/通道:低DCR设计大幅降低信号传输的直流损耗,避免信号幅度衰减,同时减少器件发热;
  • 工作温度-40℃~+85℃:覆盖工业级与消费电子的典型环境温度,可在低温户外、高温密闭机箱等场景稳定工作。

三、核心设计特点与优势

  1. 高速信号兼容性:针对Mbps级信号的上升沿/下降沿特性优化,避免信号延迟、振铃等失真问题,保障数据传输准确性;
  2. 小型化集成:采用贴片封装(如0805/1206尺寸),适合高密度PCB布局,满足便携式设备的小型化需求;
  3. 高参数一致性:松下成熟工艺保障,批次间阻抗、DCR等参数差异极小,适合量产应用;
  4. 低差模干扰:差模阻抗远低于共模阻抗,对有用信号的干扰可忽略,平衡“滤波效果”与“信号完整性”。

四、典型应用场景

  1. 消费电子:机顶盒、智能电视、路由器的USB接口、以太网辅助信号滤波,抑制无线信号干扰;
  2. 工业控制:PLC、传感器节点的RS485/CAN总线接口,抵御工业环境中的电磁辐射干扰;
  3. 车载电子(辅助系统):车载信息娱乐系统的低速数据总线(如LIN总线),满足宽温工作需求;
  4. 通信设备:小型基站、无线AP的信号接口滤波,保障数据传输稳定性。

五、选型与应用注意事项

  1. 阻抗匹配:需确认信号线路特性阻抗(如50Ω、90Ω)与滤波器共模阻抗匹配,避免信号反射;
  2. 电流余量:实际工作电流建议低于额定电流的80%(即≤128mA),留足安全冗余;
  3. 布局原则:滤波器应尽量靠近接口连接器(如USB座、RS485端子),减少干扰耦合路径;
  4. 接地要求:滤波器接地端需可靠连接系统地(避免浮地),否则会降低滤波效果;
  5. 电压适配:禁止在超过5V额定电压的电路中使用,防止器件损坏。

该产品凭借松下的技术积累与可靠性能,成为高速信号线路EMI防护的高性价比选择,可有效提升电子设备的电磁兼容性与信号稳定性。

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