WMSIC Electronic Components

Sunlord GZ1005D331TF

ModelGZ1005D331TF
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 26+

Available for RFQ

Technical data

Product details

18 specifications

Core information

Product name
Sunlord GZ1005D331TF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
GZ1005D331TF
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.019g
Electronic Component
1
Channel Count
1
Electronic Component
BM0257678972
Operating Temperature
55℃~+125℃
@Frequency
330Ω@100MHz
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.

GZ1005D331TF 产品概述

GZ1005D331TF 为顺络(Sunlord)系列 0402 封装的磁珠元件,标识为 331(330Ω @ 100MHz,容差 ±25%)。该器件专为高频噪声抑制和电磁干扰(EMI)治理设计,尺寸小、性能稳定,适合手机、便携设备、消费电子、模块与高密度布板等场合对射频干扰和供电噪声的抑制需求。

一、产品主要参数与物理信息

  • 型号:GZ1005D331TF
  • 品牌:Sunlord(顺络)
  • 封装:0402(公制 1005;约 1.0 mm × 0.5 mm)
  • 阻抗:330 Ω @ 100 MHz(标称值)
  • 阻抗容差:±25%
  • 通道数:1(单通道/单端)
  • 工作温度范围:-55 ℃ 至 +125 ℃
  • 封装特性:贴片型,适用于自动贴片与回流焊工艺

二、性能特点

  • 高阻抗:在 100 MHz 附近具有 330 Ω 的标称阻抗,可有效衰减该频段及周边的高频噪声。
  • 容差说明:±25% 容差反映阻抗在制造与工作条件下的偏差范围,适合一般 EMI 抑制需求。
  • 小型化:0402 小封装便于高密度 PCB 布局,能在有限空间实现有效滤波。
  • 宽温度工作范围:适用于工业级与汽车电子等严苛温度环境(-55 ℃ ~ +125 ℃)。
  • 易于制程集成:兼容无铅回流工艺,支持自动贴装与常规清洗流程。

三、典型应用场景

  • 电源线滤波:作为电源线上的串联元件配合去耦电容,抑制供电总线的高频干扰。
  • 信号线 EMI 抑制:用于差分对或单端信号线(尤其是高速数字信号、射频前端、射频控制)上的高频抑制。
  • 无线与射频模块:在天线馈线、射频开关控制线或数字基带接口处用于抑制带外干扰。
  • 消费类与移动设备:手机、平板、蓝牙/Wi‑Fi 模块等要求高密度贴片与低成本 EMI 解决方案的场景。
  • 工业与汽车电子:在需要耐高低温且稳定性的系统中作为噪声抑制元件。

四、使用与布局建议

  • 贴近噪声源:将磁珠尽量靠近噪声产生端(如电源转换器、IC 电源脚)放置,以提高抑制效果。
  • 与去耦电容配合:在电源线上通常采用“磁珠 + 去耦电容”组合,磁珠串联,电容并联接地,从而形成低通/隔离网络。
  • 单点接地注意:去耦电容的接地点应靠近电路板的公共地线,避免在地线上形成回流环路。
  • 串联使用注意额定电流:虽然磁珠主要用于高频阻抗,仍需关注 PCB 上通过电流对磁珠的影响,确保长期可靠性(请根据系统电流与热影响评估)。
  • 避免在需要直流低阻的场合替换:磁珠在低频或直流时表现为低电阻,但若电路要求严格的低电压降及高电流传输,应慎用或选型。

五、可靠性与工艺注意事项

  • 回流焊兼容性:建议采用标准无铅回流曲线。焊接温度峰值和时长应符合 PCB 製程规范并参考厂方推荐的焊接参数。
  • 清洗与包装:适用于常规清洗工艺;建议在生产与储存期间保持原包装,以防潮湿与污染。
  • 热循环与机械应力:小型封装在大量热循环或受力弯曲时可能出现可靠性问题,设计布线与固定时应减小应力集中。
  • 存储条件:建议常温、低湿(相对湿度 < 60%)保存,避免阳光直射与腐蚀性气体环境。

六、选型与替代参考

  • 如需在不同频段优化:根据目标抑制频段选择不同阻抗曲线的磁珠,通常厂方会提供阻抗随频率变化的典型曲线(阻抗 vs 频率)。
  • 若工作电流较高:请选择具备更高电流承载与热稳定性的型号,或采用更大封装的磁珠以减小温升。
  • 考虑容差与批次一致性:对于敏感射频路径或严格 EMI 要求的设计,可向供应商索取阻抗测试数据或样品做板级测试验证。

七、总结

GZ1005D331TF(0402,330 Ω @ 100 MHz,±25%)为一款通用型、高频噪声抑制磁珠,适合在空间受限的 PCB 上实现有效的 EMI 控制与电源噪声隔离。使用时推荐靠近噪声源布局,并与去耦电容结合以获得最佳滤波效果;在选型与工程验证阶段,应结合系统电流、工作频段与回流焊工艺进行综合评估与可靠性测试。若需更详尽的阻抗频率特性曲线或样品验证建议联系顺络或授权分销商获取完整规格书与测试数据。

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