WMSIC Electronic Components

PROD PCAQ4520MB-142 PCAQ4520MB

ModelPCAQ4520MB-142
PackageSMD-4P,4.8x4.5mm
BrandPROD
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PROD PCAQ4520MB-142
Type
PROD
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PCAQ4520MB-142
Electronic Component
1
Package
SMD-4P,4.8x4.5mm
Electronic Component
Common Mode Filter
Electronic Component
0.22g
Voltage
50V
Electronic Component
1
Channel Count
2
Electronic Component
BM0229259036
Operating Temperature
25℃~+125℃
Resistor
10MΩ
Voltage
50V
Current
1.9A
@Frequency
1.4kΩ@100MHz

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

PCAQ4520MB-142 产品概述

PCAQ4520MB-142 是谱罗德(PROD)推出的一款双通道共模滤波器(Common Mode Choke),以小型贴片封装实现对差分线路或双线信号的共模噪声抑制。器件采用 SMD-4P 封装,外形尺寸 4.8 x 4.5 mm,面向需要在有限空间内实现高频干扰抑制且同时保持较低直流损耗的消费与工业电子设计场景。

一、主要参数与性能亮点

  • 通道数:2(双通道/两线共模抑制)
  • 额定电流:1.9 A(连续工作电流)
  • 阻抗(共模):1.4 kΩ @ 100 MHz
  • 额定电压(DC/AC):50 V / 50 V
  • 耐电压:50 V
  • 直流电阻(DCR):81 mΩ(每通道典型值)
  • 工作温度:-25 ℃ ~ +125 ℃
  • 绝缘电阻:10 MΩ
    这些参数说明 PCAQ4520MB-142 在 100 MHz 附近具有较高的共模抑制能力,同时 1.9 A 的额定电流和 81 mΩ 的低 DCR 使其在保持信号完整性和降低功耗方面具有良好平衡。

二、产品特点与优势

  • 高频共模抑制强:100 MHz 处 1.4 kΩ 的共模阻抗能有效抑制来自开关电源、时钟与高速接口的共模干扰。
  • 低电阻、低损耗:81 mΩ 的 DCR 降低了导通时的压降与发热,适合 1.9 A 以内的电流负载。
  • 紧凑封装:SMD-4P、4.8 x 4.5 mm 小尺寸便于在空间受限的 PCB 布局中使用。
  • 宽温工作:-25 ℃ 至 +125 ℃,满足一般工业与消费类设备的温度要求。
  • 良好绝缘性能:绝缘电阻 10 MΩ,保证绕组与外壳间的电气隔离稳定可靠。

三、典型应用场景

  • USB/HDMI/LVDS 等高速差分信号线路的 EMI 抑制与共模噪声滤除。
  • 开关电源输入/输出滤波,降低电磁干扰并改善系统稳定性。
  • 通讯设备、摄像头模块、显示驱动与接口板,改善信号完整性与抗扰能力。
  • 工业控制与仪器设备中需要在有限空间实现 EMI 控制的场合。

四、封装与安装建议

PCAQ4520MB-142 为 SMD-4P 贴片封装(4.8 x 4.5 mm),建议按下列注意事项布板与安装:

  • 放置位置尽量靠近干扰源或连接器端(例如靠近收发器或电源输入端)以提高滤波效果。
  • 在器件两侧留出焊盘对称布局,确保焊接质量与热回流可靠性。
  • 与旁路电容或差分终端网络配合使用时,保持走线最短并避免与敏感信号线平行、重叠以降低耦合干扰。
  • 电流接近或超过额定值时要考虑 DCR 导致的压降和温升,必要时评估散热或更大额定电流器件的替代方案。

五、选型与使用注意

  • 额定电流:在系统设计中应至少按最大工作电流选择或留有一定裕量以避免长期发热或损伤。
  • 工作频段:以 100 MHz 附近共模阻抗为参考,若目标抑制频段在更低或更高频率,建议结合滤波网络仿真验证实际衰减曲线。
  • 电压与绝缘:器件额定与耐压为 50 V,适用于 50 V 以下电压环境,不建议在更高直流或冲击电压工况下直接使用。
  • 温度与可靠性:工作温度上限 +125 ℃,在高温环境或靠近热源时需关注器件寿命与热管理。

六、总结

PCAQ4520MB-142(PROD)是一款面向中高频 EMI 抑制的双通道共模滤波器,具有 1.4 kΩ @100 MHz 的高共模阻抗、1.9 A 的额定电流和 81 mΩ 的低直流电阻,适合于空间受限且对信号完整性有较高要求的电子设备。结合合理 PCB 布局与旁路/终端元件,可以显著降低共模噪声,改善系统 EMI 性能与可靠性。如需更详细的损耗曲线、频率响应或可靠性测试数据,建议参考供应商的详细数据手册或直接联系 PROD 获取原厂资料。

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