WMSIC Electronic Components

Sunlord SZ1005G470TF

ModelSZ1005G470TF
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+

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Technical data

Product details

18 specifications

Core information

Product name
Sunlord SZ1005G470TF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
SZ1005G470TF
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.019g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264603045
Operating Temperature
55℃~+125℃
@Frequency
47Ω@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.

顺络SZ1005G470TF磁珠产品概述

一、产品定位与核心特性

顺络SZ1005G470TF是一款专为高频电磁干扰(EMI)抑制设计的片式磁珠,属于顺络电子常规系列中的小型化滤波元件。其核心定位是针对100MHz频段的干扰噪声提供精准滤波,同时兼顾宽温适应性与高可靠性,适配消费电子、汽车电子、工业控制等多场景需求。作为0402封装的单通道磁珠,它在保证滤波性能的前提下,能有效压缩PCB布局空间,是高密度电路设计的优选元件之一。

二、关键参数详解

该磁珠的核心参数围绕“100MHz频段干扰抑制”展开,具体如下:

  1. 阻抗特性:标称阻抗为47Ω@100MHz,误差范围±25%(实际阻抗35.25Ω~58.75Ω)。需注意磁珠阻抗是频率的函数——在100MHz频段达到峰值阻抗,对该频段的共模/差模干扰抑制效果显著;直流电阻(DCR)较低(顺络同系列典型值≤0.5Ω),不影响线路直流信号传输。
  2. 通道数:单通道设计,适用于单路信号/电源线路滤波,无需额外并联/串联组合,简化电路设计。
  3. 工作温度范围:-55℃~+125℃,覆盖工业级、汽车级温度要求,可在极端环境下稳定工作,避免因温度变化导致阻抗漂移或性能失效。

三、封装与可靠性

  1. 封装规格:采用0402封装(英制尺寸,对应公制1005),尺寸约1.0mm×0.5mm×0.5mm,厚度符合IPC标准,适配常规回流焊、波峰焊工艺,焊接兼容性强。
  2. 可靠性验证:顺络对该产品完成了多轮可靠性测试,包括:
    • 高温存储(125℃/1000h);
    • 温度循环(-55℃~125℃/1000次);
    • 湿热循环(85℃/85%RH/1000h)。
      测试后阻抗变化率控制在±10%以内,符合RoHS、REACH等环保标准,满足量产稳定性要求。

四、典型应用场景

  1. 消费电子领域:广泛用于智能手机、平板、智能穿戴的射频模块(WiFi、蓝牙、GPS)、电源管理单元(PMU)滤波。例如,手机WiFi天线馈线串联该磁珠,可抑制100MHz附近杂波,提升信号信噪比。
  2. 汽车电子领域:适配车载信息娱乐系统(IVI)、车身控制单元(BCM)的信号线路滤波。因宽温特性,可在发动机舱等高温区域稳定工作,满足汽车级EMC要求。
  3. 工业控制领域:用于PLC、伺服驱动器的模拟信号线路、数字通信线路(RS485、CAN总线)滤波,抑制工业环境电磁干扰,保障数据传输可靠性。
  4. 通信设备领域:基站RRU(射频拉远单元)、路由器的电源滤波与射频干扰抑制,针对100MHz频段噪声精准过滤,提升设备抗干扰能力。

五、选型与应用注意事项

  1. 频率匹配:磁珠阻抗随频率变化,需确认干扰噪声主要频段为100MHz附近时选用;若干扰频段偏移(如50MHz或200MHz),需选择对应阻抗峰值的型号。
  2. 串联使用:磁珠需串联在信号/电源线路中,不可并联(并联会降低阻抗,失去滤波效果);安装位置应靠近干扰源或敏感电路,提升滤波效率。
  3. 直流电流限制:需参考 datasheet 确认最大直流电流(顺络该型号典型值≈100mA),避免过流导致磁珠饱和失效。
  4. 焊接工艺:0402封装需控制回流焊峰值温度≤260℃、时间≤10s,避免热应力导致封装开裂或性能下降。

顺络SZ1005G470TF凭借“小型化、宽温、精准100MHz滤波”的特性,成为多领域EMI抑制的实用选择,可有效提升电子设备的电磁兼容性与可靠性。

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