WMSIC Electronic Components

Sunlord PZ1005E121-R70TF PZ1005E121

ModelPZ1005E121-R70TF
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Sunlord PZ1005E121-R70TF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
PZ1005E121-R70TF
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.019g
Electronic Component
1
Channel Count
1
Electronic Component
BM0257715859
Operating Temperature
55℃~+125℃
Current
700mA
@Frequency
120Ω@100MHz
Resistor(DCR)
130mΩ
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.

PZ1005E121-R70TF 产品概述

一、概述

PZ1005E121-R70TF 是顺络(Sunlord)系列的一款贴片磁珠(ferrite bead),标准0402(1005公制)外形,适用于抑制高频干扰与电磁噪声。其在100MHz时阻抗为120Ω,直流电阻约130mΩ(误差±25%),额定直流电流700mA,工作温度范围 -55℃ 至 +125℃,单通道设计,适合移动设备、电源滤波与高速接口的EMI抑制应用。

二、主要电气参数

  • 阻抗:120Ω @ 100MHz
  • 直流电阻 (DCR):130mΩ,公差 ±25%
  • 额定电流:700mA(直流通过能力)
  • 通道数:1(单端磁珠)
  • 工作温度:-55℃ ~ +125℃
  • 封装规格:0402(约 1.0 mm × 0.5 mm)

这些参数表明该型号在中高频段具有较好的阻抗特性,同时保持较低的直流压降,适合在电源线或信号线上实现频率选择性的噪声抑制,而对直流供电影响小。

三、产品特点与优势

  • 体积小、适配高密度PCB:0402 小尺寸利于高密度布局和便携式电子产品应用。
  • 中高频抑制能力强:100MHz 附近阻抗 120Ω,可有效衰减射频/开关噪声。
  • 低直流电阻:约130mΩ,降低压降和发热,有利于功率完整性。
  • 宽工作温度范围:适应工业级温度需求,可靠性高。
  • 单通道通用型:可用于电源线、I/O接口、参考/偏置线等多种场景。

四、典型应用场景

  • 开关电源输出/输入滤波:抑制开关频率及其谐波造成的导通干扰。
  • 移动终端与便携设备:电源与射频模块间的去耦与隔离,减小对天线的干扰。
  • 数字与高速接口:USB、LVDS、HDMI 等接口可利用磁珠抑制共模/差模高频噪声(需与差分设计配合)。
  • 嵌入式与物联网终端:电源线和传感器供电路径的EMI管理。

五、封装与布局建议

  • 尺寸说明:0402(约1.0×0.5 mm)封装,应按厂家推荐焊盘尺寸设计焊盘,保证焊接性与可靠性。
  • 布局原则:将磁珠放置于噪声源与敏感电路之间,距离噪声源尽可能靠近(例如靠近开关电源开关管或模块输出端),以提高抑制效果。
  • 与去耦电容配合:常与旁路电容形成低通滤波网络(磁珠串联,电容接地),选型时注意电容的自谐频率与布局寄生。
  • 热管理与电流路径:对于接近额定电流的应用,建议检查实际工作电流与温升,必要时并联多颗磁珠或选用更高电流等级器件。

六、装配与可靠性注意事项

  • 焊接工艺:推荐遵循通用无铅回流焊曲线(峰值温度 ≤ 260℃),避免超时过高的热循环以保护陶瓷基材。
  • 机械应力:0402 为微小元件,贴装与波峰/回流过程需避免强烈振动与机械冲击,以防裂纹。
  • 存储与搬运:常温干燥保存,避免受潮与长时间日光直射。磁珠本身对静电不敏感,但仍应在常规电子元器件操作流程中防尘、防污染。
  • 可靠性测试:推荐在目标应用环境下进行温升、寿命与振动测试,验证在最大连续电流与环境温度下的稳定性。

七、选型与替代建议

  • 若系统电流高于700mA 或希望更低DCR,应选择更大尺寸或更高电流等级的磁珠(如0603、0805等规格)。
  • 若需更高阻抗以抑制更低频率噪声,可选阻抗曲线在更低频点上更高的型号。
  • 对差模干扰特别敏感的高速差分信号,优先考虑差模共模滤波器而非单颗磁珠。

八、结论

PZ1005E121-R70TF 是一款针对中高频噪声抑制而优化的0402微型磁珠,提供120Ω @100MHz 的阻抗和低至130mΩ 的直流电阻,适合对体积、功耗与EMI控制有平衡需求的便携与嵌入式设备。在实际应用中,结合合理的PCB布局、旁路电容配置和热/电流裕量评估,能为系统带来显著的信号与电源完整性改善。若需更高电流或不同频段的滤波效果,请依据系统需求选择相应规格或并联使用以满足设计目标。

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