WMSIC Electronic Components

TDK MHQ1005P3N9BT000

ModelMHQ1005P3N9BT000
Package0402
BrandTDK
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

20 specifications

Core information

Product name
TDK MHQ1005P3N9BT000
Type
TDK
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MHQ1005P3N9BT000
Electronic Component
1
Package
0402
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.045g
Inductor
3.9nH
Electronic Component
1
Factor
23@250MHz
Electronic Component
BM0265152163
Current
900mA
Frequency
5GHz
Resistor(DCR)
70mΩ

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

TDK MHQ1005P3N9BT000 陶瓷叠层SMD电感产品概述

一、产品基本定位与核心属性

TDK MHQ1005P3N9BT000是一款陶瓷叠层表面贴装(SMD)电感,属于TDK高频电感系列的小型化主力产品,专为射频(RF)、无线通信及便携式电子设备的高密度布局需求设计。型号中“MHQ”代表TDK高频叠层电感系列,“1005”对应公制封装尺寸(1.0mm×0.5mm),“3N9”明确标称电感值3.9nH,“BT000”为规格代码。该电感采用陶瓷基体叠层工艺,兼具小型化、高频特性优异及环境稳定性强的特点,是射频电路中阻抗匹配、滤波及谐振网络的理想核心元件。

二、关键电性能参数解析

电感的电性能直接决定其在电路中的作用,MHQ1005P3N9BT000的核心参数如下:

  1. 标称电感值:3.9nH(符合射频电路常用精度要求,适配2.4GHz/5GHz等主流无线频段);
  2. 额定直流电流:900mA(25℃环境下,电感值变化≤10%的最大允许电流,是功率负载能力的核心指标);
  3. 直流电阻(DCR):70mΩ(典型值,低DCR可显著减少功率损耗,提升低功耗设备的电池续航);
  4. 品质因数(Q值):23@250MHz(Q值=2πfL/R,反映电感储能与损耗的比值,23的Q值在250MHz频段属于较高水平,可有效降低射频信号衰减);
  5. 自谐振频率(SRF):5GHz(当工作频率达到SRF时,电感与寄生电容谐振呈纯阻性;超过SRF后元件表现为电容性,需注意电路工作频率需低于5GHz)。

三、封装与物理特性

该电感采用0402英寸(公制1005)封装,具体尺寸约为1.0mm(长)×0.5mm(宽)×0.5mm(高),属于超小型SMD封装,适配高密度PCB设计。陶瓷叠层工艺赋予其以下物理优势:

  • 体积轻量化:可大幅节省电路板空间,适配智能手机、智能手表等便携设备的紧凑布局;
  • 抗机械应力:陶瓷基体硬度高,可承受回流焊及组装过程中的机械应力,可靠性优于传统绕线电感;
  • 宽温稳定性:在-40℃~+85℃工作温度范围内,电感值变化极小,满足户外、工业等宽温环境需求。

四、技术优势与典型应用场景

4.1 核心技术优势

  • 高频性能突出:SRF达5GHz,Q值23@250MHz,覆盖2.4GHz、5GHz等主流无线通信频段,满足射频前端的阻抗匹配、滤波需求;
  • 低损耗高效能:低DCR(70mΩ)减少功率损耗,高Q值降低信号衰减,提升无线通信的传输效率与距离;
  • 集成度适配性强:0402封装可无缝融入多芯片模块(MCM)及系统级封装(SiP),助力设备微型化;
  • 可靠性优异:陶瓷叠层结构无绕线,避免断线风险,抗振动、抗冲击性能满足车载、工业等严苛场景。

4.2 典型应用场景

该电感广泛应用于以下领域:

  • 无线通信终端:智能手机、平板电脑的2.4GHz/5GHz WiFi模块、蓝牙(BLE 5.0)模块;
  • 物联网(IoT)设备:智能门锁、智能家居传感器、可穿戴设备的低功耗无线通信电路;
  • 射频前端模块:基站、路由器的RF匹配网络、滤波电路;
  • 便携式音频设备:无线耳机、智能音箱的射频子系统。

五、使用注意事项

为确保电感性能稳定及电路可靠性,需注意以下要点:

  1. 电流限制:工作直流电流不得超过900mA,避免电感过热导致电感值漂移或性能失效;
  2. 频率范围:电路工作频率需低于自谐振频率5GHz,若需在更高频段使用,需重新评估元件特性;
  3. 焊接工艺:采用回流焊时,遵循TDK推荐温度曲线(峰值≤245℃,回流时间≤30s),避免过热损坏陶瓷基体;
  4. 存储条件:未使用的电感存储于15℃35℃、相对湿度30%70%的干燥环境,防止电极氧化影响焊接性能。

TDK MHQ1005P3N9BT000凭借小型化、高频优异性及高可靠性,成为无线通信、物联网等领域的主流电感选择,可有效支撑设备的微型化与高性能需求。

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