WMSIC Electronic Components

muRata BLM03HD601SN1D

ModelBLM03HD601SN1D
Package0201
BrandmuRata
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 24+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
mu Rata BLM03HD601SN1D
Type
MURATA
Unit
Electronic Component
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MURATA
Electronic Component
BLM03HD601SN1D
Electronic Component
1
Package
0201
Electronic Component
Ferrite Bead
Electronic Component
±25%
Electronic Component
0.008g
Electronic Component
1
Channel Count
1
Electronic Component
BM0264770385
Operating Temperature
55℃~+125℃
Current
150mA
@Frequency
600Ω@100MHz
Resistor(DCR)
1.7Ω

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

村田BLM03HD601SN1D铁氧体磁珠产品概述

一、产品定位与核心价值

村田BLM03HD601SN1D是一款高频干扰抑制专用表面贴装铁氧体磁珠,属于BLM03H系列(0201封装)。其核心价值在于精准匹配100MHz频段的干扰抑制需求,同时具备低直流损耗、小体积、宽温可靠性等特点,适用于消费电子、工业控制、通信设备等领域的小电流信号线路滤波,平衡了“干扰抑制”与“信号传输损耗”的矛盾。

二、关键参数详解

磁珠性能由阻抗、直流电阻、额定电流等核心参数决定,该产品参数及实际意义如下:

1. 阻抗特性

  • 典型阻抗:600Ω @ 100MHz,误差±25%
    磁珠阻抗随频率呈“先升后降”的特性,此参数是产品在目标干扰频段(100MHz附近) 的核心滤波能力体现——600Ω的阻抗可有效衰减该频段的共模/差模干扰,同时对信号线路的高频噪声(如射频杂波、数字电路串扰)抑制效果显著。

2. 直流电阻(DCR)

  • 典型值:1.7Ω
    作为信号通路的直流损耗指标,低DCR意味着磁珠对直流/低频信号的衰减极小,适合传输模拟小信号(如音频、传感器信号)或数字信号(如SPI、I2C),避免信号失真,保障信号完整性。

3. 额定电流

  • 额定值:150mA
    指连续工作时允许通过的最大电流,超过该值会导致磁芯饱和,阻抗急剧下降,失去滤波效果;峰值电流需参考村田降额曲线(通常建议不超过额定电流的80%),避免瞬态电流冲击。

4. 通道数

  • 单通道(1):适合单路信号线路的独立滤波,无需并联/串联多通道,简化电路设计,减少PCB占用面积。

三、封装与物理特性

该产品采用0201封装(英制尺寸,对应公制0603),物理尺寸约为0.6mm(长)×0.3mm(宽)×0.3mm(高),是当前最小的表面贴装封装之一,优势显著:

  • 高密度适配:适合智能手机、智能穿戴等对体积要求严苛的产品,可在狭小PCB空间内密集布局;
  • 工艺兼容性:兼容常规回流焊、波峰焊(需控制温度),生产效率高,降低制造成本;
  • 环保合规:符合RoHS、REACH等全球环保标准,无铅无卤,满足出口市场准入要求。

四、工作环境与可靠性

1. 宽温工作范围

  • 工作温度:-55℃ ~ +125℃
    覆盖工业级、部分汽车级(需确认具体车规认证)的温度需求,可在极端环境下稳定工作(如户外工业传感器、车载信息娱乐系统的高温/低温场景)。

2. 可靠性保障

村田作为磁珠领域的领先厂商,BLM03HD601SN1D具备高稳定性:

  • 抗老化:磁芯材料经过长期可靠性测试(如高温存储、温度循环),阻抗特性随时间变化极小;
  • 抗机械应力:封装结构紧凑,可承受PCB板的轻微形变(如热胀冷缩导致的板级弯曲),降低失效风险。

五、典型应用场景

该产品因小体积、低损耗、宽温特性,广泛应用于以下场景:

  1. 消费电子:智能手机的射频前端、USB接口、音频线路滤波;智能穿戴设备的传感器信号干扰抑制;
  2. 工业控制:PLC、DCS系统的RS485/RS232通信接口滤波;工业传感器(如温度、压力传感器)的信号降噪;
  3. 通信设备:路由器、交换机的以太网端口滤波;无线模块(如Wi-Fi、蓝牙)的电源/信号线路干扰抑制;
  4. 汽车电子:车载中控屏的音频线路、CAN总线节点滤波(需确认车规级认证兼容性)。

六、选型与使用注意事项

  1. 频率匹配:若干扰频率偏离100MHz,需参考村田磁珠选型表,选择对应频率的阻抗值(如干扰为50MHz可选择BLM03HD501...);
  2. 电流降额:连续工作电流建议不超过120mA(额定电流的80%),峰值电流需进一步降额至100mA以内;
  3. 焊接工艺:0201封装需控制回流焊温度(峰值温度≤245℃,时间≤10s),避免热损伤导致磁芯性能下降;
  4. 布局建议:磁珠应靠近干扰源(如射频模块、电源输出端)或受保护线路的输入端,减少寄生电容对滤波效果的影响。

总结:村田BLM03HD601SN1D是一款性能均衡的高频铁氧体磁珠,以小体积、精准阻抗匹配、宽温可靠性为核心优势,是各类小电流信号线路抑制100MHz附近干扰的理想选择,可有效提升电子设备的EMC(电磁兼容性)性能。

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