WMSIC Electronic Components

PROD PSBHAA201210H-681T040 PSBHAA201210H

ModelPSBHAA201210H-681T040
Package0805
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 PSBHAA201210H-681T040
Type
PROD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PSBHAA201210H-681T040
Electronic Component
1
Package
0805
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.039g
Electronic Component
1
Channel Count
1
Electronic Component
BM0258741599
Operating Temperature
40℃~+125℃
Current
4A
@Frequency
680Ω@100MHz
Resistor(DCR)
55mΩ
Electronic Component
Electronic Component

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

PSBHAA201210H-681T040 产品概述

一、概述

PSBHAA201210H-681T040 是谱罗德(PROD)面向电源与信号线电磁干扰抑制的单通道贴片磁性元件,封装为0805(2012公制)尺寸。该型号在100MHz时标称阻抗为680Ω(误差±25%),直流电阻约55mΩ,额定电流4A,工作温度范围为-40℃至+125℃。凭借较高的高频阻抗与低直流电阻特性,适用于需要兼顾噪声抑制与低压降的中高电流应用场合。

二、主要性能与特点

  • 高频抑制性能:在100MHz时阻抗680Ω(±25%),对射频与快速边沿产生的高频噪声具有良好抑制效果。
  • 低直流电阻:DCR约55mΩ,可在保证抑制效果的同时将电压降与功率损耗控制在较低水平,适合中等电流路径。
  • 较高额定电流:4A的额定值使其适用于USB电源、DC-DC转换器输出、主供电总线等需要较大通流能力的场景。
  • 宽温度范围:-40℃至+125℃的工作温度,适应工业级温区和一般电子产品的可靠性要求。
  • 小型化封装:0805(约2.0 × 1.25 mm)外形,便于高密度PCB布局与自动贴装。

三、典型应用

  • 电源线滤波与入/出口噪声抑制(如DC-DC模块输入/输出、LDO输入)
  • USB、SATA、HDMI等接口的共模/差模噪声控制(单通道用于单线抑制)
  • 通信与射频系统中对高频干扰的局部抑制
  • 汽车电子、工业控制等需兼顾电流能力与抗干扰的系统(需结合环境与热设计评估)
  • PCB上的局部去耦与EMI整改(与电容并联形成更宽频段抑制网络)

四、选型与使用建议

  • 阻抗容差:阻抗误差为±25%,实际应用中需考虑制造公差与温度影响。若系统对阻抗曲线敏感,建议在目标频段做样品测试确认。
  • 电流与功耗计算:使用时应根据功耗估算温升,损耗近似为P = I^2 × DCR(例如在4A时理论损耗约0.88W),实际温升受散热条件与封装限制影响明显。对持续大电流应用,建议对器件温度进行评估或适当降额使用。
  • 与电容配合:为获得更好的低中高频滤波效果,可在器件的下游或上游并联适当的旁路电容,形成有源/被动组合滤波网络。
  • 多通道需求:本型号为单通道设计,若需对多线同时滤波,请针对每条线分别选用或采用多通道器件替代。

五、PCB布局与焊接建议

  • 贴片位置:应尽可能靠近噪声源或源端负载位置贴装,以减少入射噪声在走线中的耦合。
  • 走线与过孔:保持进出引线短且宽,避免在元件两侧布置并行长线,必要时减少过孔以降低额外寄生电感。
  • 焊接工艺:兼容常规回流焊温度曲线,建议按照无铅回流曲线进行焊接(参照元件制造商的焊接推荐)。
  • 热管理:若在高电流场景长期工作,应考虑周边铜箔面积与散热路径设计,以降低器件温升。

六、可靠性与环境适应

  • 工作温度范围宽,适合工业与消费电子应用。
  • 在高湿、高振动或汽车类应用中,建议按相关可靠性标准进行系统级验证(如温度循环、湿热、振动、热冲击等)。
  • 储存与运输要求避免长时间潮湿环境,未使用前保持原包装以防焊盘氧化。

七、包装与订购信息

  • 封装:0805(2012M)贴片。
  • 品牌:PROD(谱罗德)。
  • 订购时请确认完整料号与批次,并根据系统需求确认阻抗频率点、误差范围与额定电流能力。如需样品或大量采购建议与供应商确认库存与技术支持。

总结:PSBHAA201210H-681T040 在兼顾高频抑制能力与较低直流阻抗方面具有优势,适合用于需要中等以上电流且关注EMI问题的电源与信号线场景。实际采用时应结合功耗、散热与电磁兼容整体设计做出最终选型与布局优化。若需更详细的频率特性曲线、温升测试数据或封装尺寸图,可联系供应商获取完整数据手册与样品测试支持。

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