WMSIC Electronic Components

cjiang FDCW2012-2-901TF FDCW2012

ModelFDCW2012-2-901TF
Package0805
Brandcjiang
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+

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Technical data

Product details

19 specifications

Core information

Product name
cjiang FDCW2012-2-901TF
Type
CJIANG
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJIANG
Electronic Component
FDCW2012-2-901TF
Electronic Component
1
Package
0805
Electronic Component
Common Mode Filter
Electronic Component
0.038g
Electronic Component
1
Channel Count
2
Electronic Component
BM0265559178
Operating Temperature
40℃~+85℃
Resistor
10MΩ
Voltage
50V
Current
100mA
@Frequency
900Ω@100MHz
Resistor(DCR)
1Ω

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

FDCW2012-2-901TF共模滤波器产品概述

一、产品定位与核心价值

FDCW2012-2-901TF是长江微电(cjiang)推出的高密度小体积共模滤波器,针对高速信号链路的共模干扰抑制设计,核心解决「空间紧凑场景下的EMI抑制与信号完整性平衡」问题。其定位覆盖消费电子、工业控制、智能穿戴等多领域,核心价值体现在:0805封装下实现高共模阻抗(900Ω@100MHz),同时兼顾低损耗、宽温可靠性,满足量产一致性与场景适配性。

二、关键参数及应用意义

1. 共模干扰抑制核心:900Ω@100MHz阻抗

共模滤波器的性能核心是目标频段的共模阻抗——该产品在100MHz频段(WiFi 2.4G邻频、蓝牙干扰等常见噪声频段)阻抗达900Ω,可有效衰减共模噪声;同时对差模信号损耗极小(因磁芯对差模信号呈低阻抗),不影响USB、HDMI等高速数据传输质量。

2. 电流与电压适配:小信号场景精准匹配

  • 额定电流100mA:适配传感器信号、USB数据链路等小信号电路,避免大电流下磁芯饱和导致滤波失效;
  • 额定电压50V:覆盖消费电子(5V/12V)、工业设备(24V)的线路耐压需求,安全裕量充足,无需额外降额。

3. 低损耗与可靠性:兼顾性能与耐用性

  • 直流电阻(DCR)1Ω:远低于同类产品平均水平,减少信号传输功率损耗,尤其适合对信号完整性要求高的高速链路;
  • 绝缘电阻10MΩ:保证线路间绝缘性能,避免信号串扰;
  • 工作温度-40℃~+85℃:覆盖工业级环境温度范围,可用于户外设备、车载辅助系统等严苛场景。

三、封装与制造工艺

该产品采用0805英寸(2012公制)贴片封装,体积仅2.0mm×1.2mm,适配高密度PCB布局(如智能手机主板、智能手表模块)。长江微电采用自主研发的低损耗铁氧体磁芯与精密绕制工艺,确保每批次产品的阻抗一致性偏差≤±10%,满足量产稳定性要求。

四、典型应用场景

1. 消费电子高速接口

智能手机/平板的USB Type-C、HDMI、MIPI等链路,抑制WiFi 2.4G/5G、蓝牙与数据传输的相互干扰,避免EMI测试超标。

2. 工业控制信号链路

PLC、传感器节点的模拟/数字信号线路,过滤电网噪声、电机电磁干扰等共模噪声,提升工业设备信号稳定性。

3. 智能穿戴设备

智能手表、TWS耳机的无线充电、蓝牙信号链路,兼顾小体积与EMI抑制,满足便携设备的空间限制。

4. 车载电子辅助系统

车载显示屏、倒车雷达的信号线路,适应-40℃~+85℃的车载环境温度,减少车载电磁环境对信号的干扰。

五、选型与使用注意事项

  1. 电流匹配:实际工作电流需低于100mA额定值,避免磁芯饱和;
  2. 频段扩展:1GHz以上高频干扰(如5G信号邻频),产品阻抗仍保持300Ω以上,可满足多数场景需求;
  3. PCB布局:建议靠近接口端布局,减少干扰耦合路径;差分线路需对称绕制,避免差模信号转化为共模噪声;
  4. 高温场景:若环境温度超过85℃(如高温工业炉),需评估降额使用(参考长江微电产品手册)。

FDCW2012-2-901TF凭借小体积、高阻抗、宽温等优势,成为高速信号链路EMI抑制的高性价比选择,广泛适配多领域的紧凑空间与干扰抑制需求。

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