WMSIC Electronic Components

TDK MHQ1005P2N4BT000

ModelMHQ1005P2N4BT000
PackageSMD
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

19 specifications

Core information

Product name
TDK MHQ1005P2N4BT000
Type
TDK
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TDK
Electronic Component
MHQ1005P2N4BT000
Electronic Component
1
Package
SMD
Type
Inductor
Electronic Component
SMD Inductor
Electronic Component
0.012g
Inductor
2.4nH
Electronic Component
1
Factor
23@250MHz
Electronic Component
BM0262575479
Current
1A
Frequency
6.5GHz
Resistor(DCR)
40mΩ
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.

MHQ1005P2N4BT000 产品概述

一、产品简介

MHQ1005P2N4BT000 为 TDK 推出的叠层贴片电感,封装规格为 0402(公制 1005)。标称电感值为 2.4 nH,额定直流电流 1 A,直流电阻(DCR)约 40 mΩ,品质因数 Q = 23(@250 MHz),自谐振频率(SRF)约 6.5 GHz。此器件以体积小、损耗低、适配高频应用为特点,常用于受限空间的移动终端与射频电路。

二、主要技术参数

  • 电感值:2.4 nH(公差请参照厂家规格表)
  • 额定电流:1 A(持续直流)
  • 直流电阻(DCR):40 mΩ(典型值)
  • 品质因数:Q = 23 @ 250 MHz
  • 自谐振频率:6.5 GHz(典型)
  • 类型:叠层陶瓷贴片电感(SMD 0402)
  • 品牌:TDK

三、性能特点与电气行为

  • 高频性能优异:Q 值在 VHF~UHF 频段表现良好,250 MHz 时 Q=23,表明损耗较低,适合射频匹配及谐振网络。
  • 宽频段可用:SRF 6.5 GHz 表明器件在 GHz 级别仍有应用空间,但在接近 SRF 附近电感值会明显下降并出现电容化特性,设计时需注意频率带宽内的实际有效电感。
  • 低 DCR:40 mΩ 带来较小的直流损耗,但在高电流或高温条件下仍需关注功耗(1 A 时 I^2·R ≈ 40 mW),以及由此产生的温升与电感值随 DC 偏置的变化。
  • 线性与饱和:叠层电感相比于铁氧体或绕线电感在大电流下饱和效应较小,但仍有 DC 偏置导致电感下降的特性,关键应用应作电感随 DC 的测量验证。

四、典型应用场景

  • 手机、平板等移动设备的射频匹配网络、滤波器元件与谐振回路;
  • WLAN(2.4/5 GHz)、蓝牙、GPS 等无线前端和调谐电路(在设计时需评估工作频段与 SRF 的匹配);
  • 高频滤波、阻抗匹配、旁路与限流等受限空间的信号链路;
  • 小功率电源网络中的去耦/滤波(需评估直流电流与损耗)。

五、PCB 布局与装配建议

  • 尽量缩短与其他器件的连接长度,减少引线寄生电感与信号路径上的阻抗突变;
  • 对于射频匹配场合,元件应靠近射频耦合点(如放大器输出或天线匹配节点)放置;
  • 避免在电感下方放置通孔或大面积铜皮,以免改变寄生电容分布;
  • 装配时遵循典型 0402 焊盘设计,采用推荐的回流焊曲线和良好焊接工艺,必要时参考 TDK 数据手册的焊接与焊盘建议;
  • 注意热管理与电流分布,若工作电流接近额定值,需评估周围器件与 PCB 的散热能力。

六、选型与测试注意事项

  • 在目标工作频段内测量实际电感值与 Q 值,使用网络分析仪测 S 参数可获得频率响应与有效电感;
  • 若电路对相位或带外抑制要求高,应关注器件在目标频带周边的寄生电容与 SRF 影响;
  • 对可靠性、温漂与电流导向敏感的应用,进行温升、老化与热循环测试;
  • 若需更低 DCR 或更高电流能力,可考虑更大尺寸或不同结构(如绕线、功率型)电感替代。

结语:MHQ1005P2N4BT000 以其 0402 的微小封装和较好的高频特性,适合对体积和性能均有较高要求的射频与滤波应用。具体参数与应用限制建议以 TDK 官方数据手册为准,并在实际电路中做频率与电流条件下的验证测试。

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