WMSIC Electronic Components

PROD PSCLAQ0905-102Y PSCLAQ0905

ModelPSCLAQ0905-102Y
PackageSMD-4P,9.2x6mm
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 PSCLAQ0905-102Y
Type
PROD
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PSCLAQ0905-102Y
Electronic Component
1
Package
SMD-4P,9.2x6mm
Electronic Component
Common Mode Filter
Electronic Component
0.796g
Voltage
80V
Electronic Component
1
Channel Count
2
Electronic Component
BM0227741572
Operating Temperature
25℃~+105℃
Voltage
80V
Current
800mA
Inductor@Frequency
1mH@100kHz
@Frequency
1.5kΩ@100kHz

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

PSCLAQ0905-102Y — 共模滤波器产品概述

本产品 PSCLAQ0905-102Y 为谱罗德(PROD)推出的一款表面贴装共模电感(共模滤波器),专为需要在中高频段抑制共模干扰的电源与信号链路设计。器件在100 kHz 时具有 1 mH 的共模电感量,并在相应频率点提供良好的阻抗特性与较高的额定电流能力,适用于开关电源输入滤波、DC-DC 变换器、工业与车载电子等场合的电磁兼容(EMC)处理。

一、主要参数概览

  • 型号:PSCLAQ0905-102Y
  • 结构:共模滤波器(4 引脚 SMD)
  • 封装尺寸:SMD-4P,9.2 mm × 6.0 mm
  • 共模电感:1 mH @ 100 kHz
  • 阻抗:1.5 kΩ @ 100 kHz(共模)
  • 额定直流电流:800 mA
  • 直流电阻(DCR):约 310 mΩ
  • 额定电压 / 耐压:80 V(DC / AC 标称)
  • 工作温度范围:-25 ℃ ~ +105 ℃

二、关键性能与工程意义

  • 高共模电感量(1 mH @100 kHz):在中低频开关噪声范围(几十 kHz 到几百 kHz)能显著提升共模阻抗,减少通过两线的共模干扰电流,从而改善系统 EMI 性能。
  • 高阻抗(1.5 kΩ@100 kHz):在指定频率点具有较高的阻抗,有效抑制共模噪声源对外辐射或传导的噪声。
  • 较高额定电流(800 mA):适用于中小功率电源输入与 DC-DC 变换器场合;但在接近额定电流时需注意直流偏置对电感值的影响及自热升温情况。
  • DCR 310 mΩ:直流电阻会带来 I^2·R 损耗。以额定电流 0.8 A 计算,最大功耗约 0.198 W,需在热设计中考虑散热路径与周边温度对允许电流的影响。
  • 封装与工艺:SMD-4P、紧凑尺寸适合表面贴装加工(SMT),便于自动化贴装和回流焊接。

三、典型应用场景

  • 开关电源(SMPS)输入端共模滤波,降低输入侧对电网的带入与传导干扰;
  • DC-DC 转换器,特别是多相或模块化电源的输入/输出 EMI 处理;
  • 工业控制与仪器设备,抑制传感器或控制总线上的共模噪声;
  • 小功率车载电子(需注意车规环境下的更严格要求与温度/振动规范);
  • LED 驱动器、电机驱动前端滤波(在额定电流范围内)。

四、设计与使用建议

  • 直流偏置与电流余量:共模电感在有大直流偏置时会出现有效电感下降,建议在设计时留有余量,不长期满载运行,若系统可能承受脉冲电流,应以峰值和占空比综合评估温升与磁饱和情况。
  • 热管理:考虑器件 DCR 与功耗引起的温升(示例:0.8 A 时约 0.2 W);请保证周围有足够铜箔散热并避免高温元件紧邻,以免超过器件工作温度上限。
  • 布局与走线:尽量将共模滤波器靠近噪声源或入/出口处布置,输入和输出端对称走线,旁路电容尽量靠近滤波器两侧的接地点布置,缩短回流路径以提升滤波效果。
  • 焊接与储存:遵循供应商推荐的回流焊温度曲线与湿敏等级(请参考厂家 Datasheet);避免机械应力与重复弯折引起封装/焊点损伤。
  • 电压安全边界:器件额定电压为 80 V,非隔离器件,请勿用于直接替代高压、工频电网隔离应用或跨安全绝缘边界。

五、性能校核与测试注意

  • 测量基准:产品参数通常以 100 kHz 为测量频点给出;在更高频或更低频工作时,阻抗与电感值会随频率变化,需在目标频带做实际测量或仿真验证。
  • 环境与老化:长期在高温高湿或剧烈温度循环环境中工作可能影响 DCR、磁性能与绝缘特性,应在样机阶段进行温度循环与寿命评估。
  • 电磁兼容验证:在系统级 EMC 测试(传导/辐射)中,配合差分/共模电容与屏蔽策略共同优化,单独元件参数并不能完全代表最终系统表现。

六、选型与替代考虑

  • 若系统工作电流高于 800 mA,应选用额定电流更高、DCR 更低的型号以降低损耗与温升;
  • 若需要更高耐压或更小尺寸,应参考同系列其他封装或类似产品;
  • 在对差模滤波有要求的场合,需并联或串联差模电感/电容进行综合滤波设计。

结语:PSCLAQ0905-102Y 以其在 100 kHz 附近的高共模电感与阻抗、紧凑 SMD 封装和 800 mA 的额定电流,适合用于中低频开关噪声的共模抑制。具体在项目中采用前,应结合电流余量、直流偏置效应及系统热设计进行验证,并按照厂商 Datasheet 的详细规范进行 PCB 布局与焊接工艺控制。若需完整数据表或 PCB 封装建议图,请向谱罗德官方渠道索取原始 Datasheet。

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