WMSIC Electronic Components

Sunlord MZAH1005F461-R90TF MZAH1005F461

ModelMZAH1005F461-R90TF
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+

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Technical data

Product details

19 specifications

Core information

Product name
Sunlord MZAH1005F461-R90TF
Type
SUNLORD
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SUNLORD
Electronic Component
MZAH1005F461-R90TF
Electronic Component
1
Package
0402
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.019g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264554876
Current
900mA
@Frequency
460Ω@900MHz
Resistor(DCR)
170mΩ
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MZAH1005F461-R90TF磁珠产品概述

一、产品基本定位与核心价值

顺络MZAH1005F461-R90TF属于高频针对性干扰抑制型片式磁珠,主打「小尺寸封装+精准频段阻抗+低直流损耗」的组合优势,适配对电磁兼容性(EMC)要求较高且空间受限的小型电子设备。作为顺络0402封装系列的典型产品,其核心设计目标是在900MHz频段提供稳定的噪声抑制能力,同时兼顾直流载流与功耗平衡,是物联网、智能穿戴等紧凑电路的常用干扰抑制元件。

二、关键性能参数深度解析

磁珠的核心价值体现在「干扰抑制精度」与「电路兼容性」,本产品参数针对性强:

1. 频段阻抗(核心干扰抑制指标)

  • 额定阻抗:460Ω@900MHz,误差±25%(实际范围345Ω~575Ω);
  • 作用原理:磁珠通过铁氧体材料的高频损耗特性,将900MHz附近的传导噪声转化为热能消耗,而非反射干扰,避免干扰二次耦合;
  • 场景适配:900MHz是LoRa、NB-IoT等物联网模块的常用工作/干扰频段,此参数直接匹配这类设备的EMC需求。

2. 直流特性(电路兼容性关键)

  • 直流电阻(DCR):170mΩ(低阻水平),意味着直流信号通过时的电压降极小(如900mA电流下仅约0.15V损耗),不会过度增加电路功耗;
  • 额定电流:900mA(25℃环境下长期工作允许的最大直流电流),若电流过载会导致铁氧体过热,性能下降甚至损坏,选型需预留20%~30%余量。

3. 基础参数补充

  • 通道数:1(单通道设计,适用于单条信号线/电源线的干扰抑制);
  • 封装:0402(英制尺寸,对应公制1.0mm×0.5mm)。

三、封装与物理特性

采用0402表面贴装封装,是当前小型化电子设备的主流微型封装之一,具备以下优势:

  1. 体积紧凑:典型尺寸为1.0mm×0.5mm×0.5mm,可大幅节省PCB布局空间,适配智能手环、蓝牙耳机等手掌级设备;
  2. 工艺兼容:符合标准SMT贴装要求,可通过自动贴片机高效生产,降低组装成本;
  3. 可靠性稳定:顺络采用高一致性铁氧体材料,封装结构抗振动、耐温性能符合工业级标准(工作温度范围-55℃~+125℃,需参考官方 datasheet 确认)。

四、典型应用场景

结合参数特性,本产品主要用于以下高频干扰抑制场景:

  1. 物联网(IoT)模块:LoRa、NB-IoT模块的天线馈线、电源线路,抑制900MHz附近杂波,提升通信稳定性;
  2. 小型无线设备:智能手环、蓝牙耳机的射频电路,减少自身辐射干扰与外部干扰,满足EMC认证要求;
  3. 电源滤波:低功耗MCU、传感器的电源输入线路,滤除电源线上的高频噪声,避免干扰敏感元件;
  4. 消费电子接口:智能手机USB接口、音频电路的噪声抑制,提升信号传输质量。

五、选型与应用注意事项

  1. 频段匹配:需确认电路干扰频段是否集中在900MHz附近,若偏离较大需选择对应频段磁珠;
  2. 电流余量:实际工作电流需小于900mA,高温环境(>85℃)需参考顺络降额曲线降低允许电流;
  3. PCB布局:磁珠应靠近干扰源/敏感元件,避免与高频走线平行(防止耦合干扰);
  4. 批次一致性:顺络磁珠批次间参数波动小,若需高精度应用可选择筛选级产品。

本产品通过平衡「干扰抑制精度」与「电路兼容性」,成为小型化电子设备EMC设计的实用选择,需结合具体电路需求确认选型与布局。

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