WMSIC Electronic Components

Sunlord GZ1005E121CTF

ModelGZ1005E121CTF
Package0402
BrandSUNLORD
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Sunlord GZ1005E121CTF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
GZ1005E121CTF
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.019g
Electronic Component
1
Channel Count
1
Electronic Component
BM0258490592
Current
500mA
@Frequency
120Ω@100MHz
Resistor(DCR)
250mΩ
Electronic Component
Electronic Component
Electronic Component
10000

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

GZ1005E121CTF 产品概述

一、产品简介

GZ1005E121CTF 是顺络(Sunlord)推出的一款0402 封装磁珠,用于抑制电路中的高频干扰和射频噪声。该器件在 100 MHz 时标称阻抗为 120 Ω,适合体积受限的移动、消费类及工业电子产品中作为串联噪声抑制元件,能够在保证信号/电源通畅的同时降低电磁干扰(EMI)。

二、主要规格

  • 阻抗:120 Ω @ 100 MHz(标称)
  • 阻抗误差:±25%(即 90 Ω ~ 150 Ω 范围)
  • 直流电阻(DCR):250 mΩ(典型/标称)
  • 额定电流:500 mA(持续通过电流上限)
  • 通道数:1(单线磁珠)
  • 封装:0402(约 1.0 × 0.5 mm)
  • 品牌:顺络(Sunlord)
  • 型号:GZ1005E121CTF

三、特性与优势

  • 小体积:0402 封装适合高密度 PCB 设计,有利于减小整体尺寸与重量。
  • 高频抑制性能良好:在 100 MHz 附近提供较高阻抗,能有效衰减电源及信号线上的高频噪声。
  • 低直流阻抗:250 mΩ 的 DCR 能够在保证低压降和低功耗的同时承受最大 500 mA 电流,适用于小电流供电及信号线路。
  • 单通道设计:便于串联到单根导线上进行局部滤波。

四、典型应用场景

  • 移动设备、可穿戴设备的电源滤波与 EMI 抑制
  • 通信与数据接口(例如 USB/串口)附近的共模/差模噪声治理(需综合考虑速率与阻抗匹配)
  • 电源管理模块、DC-DC 变换器输出或输入处的射频噪声抑制
  • IoT、蓝牙、Wi‑Fi 模块周边的干扰控制

五、使用建议与布局要点

  • 串联安放:将磁珠串联在噪声源与敏感电路之间,优先靠近噪声源(如开关器件或电源引脚)布置,以实现最佳抑制效果。
  • 与去耦电容配合:在电源线上,磁珠与旁路电容配合形成低通滤波网络,用以滤除开关噪声及高频分量。
  • 注意信号完整性:在高速差分线或阻抗受控线路中使用时需评估其对信号的插入损耗与反射影响,必要时选择专用 EMI 滤波器或保持线对完整性。
  • 布线与过孔:减少串联电感和环路面积,避免在磁珠两端布置多余过孔或长走线。

六、可靠性与焊接

  • 该类磁珠适用于无铅回流焊工艺,建议遵循制造商的焊接曲线与 PCB 预热/回流参数。
  • 处理时避免强机械应力,贴装与回流后建议进行常规的焊接外观检查与功能验证。
  • 在高温或长期高电流工况下应考虑额定电流与功耗余量,必要时选择更高电流等级或并联多颗器件分担电流。

七、选型与替代注意事项

  • 如果目标频段与噪声主要能量不在 100 MHz 附近,可选择在目标频段具有更高阻抗的型号。
  • 当电流超过 500 mA 或对 DCR/压降要求更高时,应改选大封装或更高额定电流的磁珠或使用小型共模/差模滤波器。
  • 对于对信号延迟和失真敏感的高速线,优先进行仿真或样片测试以验证影响。

八、结语

GZ1005E121CTF 以其 0402 的小体积、在 100 MHz 附近良好的阻抗以及适合小电流场合的低 DCR 特性,适合在空间受限且需抑制中高频干扰的电子系统中使用。合理布局与搭配旁路电容能显著提升 EMI 管控效果;在高电流或高频敏感场合请进行充分的工程验证。若需更详尽的封装图、阻抗频谱或回流曲线,建议参考顺络的产品规格书或联系供货商获取原始数据。

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